diff --git a/Cargo.lock b/Cargo.lock
index 5c5ec3016ae..25154fabb54 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -27,7 +27,7 @@ version = "3.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "html5ever 0.24.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "maplit 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "matches 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "tendril 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -40,31 +40,45 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
-name = "arrayref"
-version = "0.3.5"
+name = "anyhow"
+version = "1.0.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
-name = "arrayvec"
-version = "0.4.10"
+name = "arc-swap"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "arrayref"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "nodrop 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
-]
 
 [[package]]
 name = "ascii_utils"
 version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "async-compression"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bytes 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "flate2 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pin-project-lite 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "atty"
 version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -78,8 +92,8 @@ version = "0.3.38"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "backtrace-sys 0.1.31 (registry+https://github.com/rust-lang/crates.io-index)",
- "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-demangle 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -89,7 +103,7 @@ version = "0.1.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cc 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -118,6 +132,11 @@ dependencies = [
  "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "base64"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "bitflags"
 version = "1.0.4"
@@ -137,6 +156,11 @@ name = "bufstream"
 version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "bumpalo"
+version = "2.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "byte-tools"
 version = "0.2.0"
@@ -149,12 +173,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "bytes"
-version = "0.4.12"
+version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
-]
 
 [[package]]
 name = "cargo-registry"
@@ -170,7 +190,7 @@ dependencies = [
  "conduit-conditional-get 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "conduit-cookie 0.8.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "conduit-git-http-backend 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "conduit-hyper 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "conduit-hyper 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "conduit-middleware 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "conduit-router 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "conduit-static 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -185,17 +205,17 @@ dependencies = [
  "dotenv 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "env_logger 0.5.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "flate2 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "flate2 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "git2 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "handlebars 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "htmlescape 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "hyper 0.12.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "hyper-tls 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hyper 0.13.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hyper-tls 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "indexmap 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "jemallocator 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lettre 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lettre_email 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "license-exprs 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -204,7 +224,7 @@ dependencies = [
  "openssl 0.10.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "reqwest 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "reqwest 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "scheduled-thread-pool 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "semver 0.9.0 (git+https://github.com/steveklabnik/semver.git)",
  "serde 1.0.89 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -212,9 +232,9 @@ dependencies = [
  "swirl 0.1.0 (git+https://github.com/sgrif/swirl.git?rev=de5d8bb)",
  "tar 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "tempfile 3.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-core 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "toml 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tower-service 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -225,7 +245,7 @@ dependencies = [
  "base64 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "chrono 0.4.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl 0.10.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "reqwest 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "reqwest 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -235,7 +255,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "cfg-if"
-version = "0.1.9"
+version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -243,7 +263,7 @@ name = "chrono"
 version = "0.4.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-integer 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.89 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -257,7 +277,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "civet-sys 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "conduit 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "semver 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -280,7 +300,7 @@ version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "entities 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "pest 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "pest_derive 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -329,16 +349,17 @@ dependencies = [
 
 [[package]]
 name = "conduit-hyper"
-version = "0.1.3"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "conduit 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures-cpupool 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "http 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "hyper 0.12.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hyper 0.13.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "semver 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tower-service 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tracing 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -404,7 +425,7 @@ version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "core-foundation-sys 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -412,7 +433,7 @@ name = "core-foundation-sys"
 version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -420,46 +441,7 @@ name = "crc32fast"
 version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "crossbeam-deque"
-version = "0.7.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "crossbeam-epoch 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "crossbeam-epoch"
-version = "0.7.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "arrayvec 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "memoffset 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "crossbeam-queue"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "crossbeam-utils"
-version = "0.6.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -477,7 +459,7 @@ version = "3.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "nix 0.13.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -487,7 +469,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "curl-sys 0.4.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl-probe 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl-sys 0.9.38 (registry+https://github.com/rust-lang/crates.io-index)",
  "schannel 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -501,12 +483,12 @@ version = "0.4.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cc 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "libz-sys 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl-sys 0.9.38 (registry+https://github.com/rust-lang/crates.io-index)",
  "pkg-config 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "vcpkg 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -581,7 +563,7 @@ name = "docopt"
 version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.89 (registry+https://github.com/rust-lang/crates.io-index)",
  "strsim 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -605,7 +587,7 @@ dependencies = [
  "base64 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "chrono 0.4.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "encoding 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "version_check 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -673,7 +655,7 @@ name = "encoding_rs"
 version = "0.8.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -731,8 +713,8 @@ name = "filetime"
 version = "0.1.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -741,10 +723,10 @@ name = "filetime"
 version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -752,19 +734,19 @@ name = "flate2"
 version = "0.2.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "miniz-sys 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "flate2"
-version = "1.0.9"
+version = "1.0.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "crc32fast 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
- "miniz-sys 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "miniz_oxide_c_api 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "miniz_oxide 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -820,16 +802,84 @@ dependencies = [
 
 [[package]]
 name = "futures"
-version = "0.1.25"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "futures-channel 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-executor 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-io 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-sink 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-task 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-util 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
 
 [[package]]
-name = "futures-cpupool"
-version = "0.1.8"
+name = "futures-channel"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-sink 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "futures-core"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "futures-executor"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "futures-core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-task 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-util 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "futures-io"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "futures-macro"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro-hack 0.5.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "futures-sink"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "futures-task"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "futures-util"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "futures-channel 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-io 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-macro 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-sink 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-task 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pin-utils 0.1.0-alpha.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro-hack 0.5.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro-nested 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -856,7 +906,7 @@ version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "libgit2-sys 0.7.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl-probe 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -866,19 +916,20 @@ dependencies = [
 
 [[package]]
 name = "h2"
-version = "0.1.16"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "http 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-sink 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-util 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "indexmap 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "string 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-util 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -887,7 +938,7 @@ version = "2.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "hashbrown 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "pest 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "pest_derive 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -906,6 +957,14 @@ dependencies = [
  "serde 1.0.89 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "heck"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "unicode-segmentation 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "hex"
 version = "0.3.2"
@@ -916,7 +975,7 @@ name = "hostname"
 version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "winutil 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -940,14 +999,23 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "http"
-version = "0.1.16"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "itoa 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "http-body"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bytes 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "httparse"
 version = "1.3.3"
@@ -963,41 +1031,37 @@ dependencies = [
 
 [[package]]
 name = "hyper"
-version = "0.12.25"
+version = "0.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures-cpupool 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "h2 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "http 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-channel 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-util 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "h2 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http-body 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "httparse 1.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "itoa 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pin-project 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-executor 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-reactor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-tcp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-threadpool 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-timer 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "want 0.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tower-service 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "want 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "hyper-tls"
-version = "0.3.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "hyper 0.12.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hyper 0.13.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "native-tls 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-tls 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1047,11 +1111,10 @@ dependencies = [
 
 [[package]]
 name = "iovec"
-version = "0.1.2"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1066,7 +1129,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cc 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "fs_extra 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1075,7 +1138,15 @@ version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "jemalloc-sys 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "js-sys"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "wasm-bindgen 0.2.54 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1094,12 +1165,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "lazy_static"
-version = "1.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "lazycell"
-version = "1.2.1"
+version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -1134,21 +1200,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.60"
+version = "0.2.66"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "libflate"
-version = "0.1.25"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "adler32 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "crc32fast 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rle-decode-fast 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "take_mut 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "libgit2-sys"
 version = "0.7.11"
@@ -1156,7 +1210,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cc 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "curl-sys 0.4.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "libssh2-sys 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "libz-sys 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl-sys 0.9.38 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1169,7 +1223,7 @@ version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cc 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "libz-sys 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl-sys 0.9.38 (registry+https://github.com/rust-lang/crates.io-index)",
  "pkg-config 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1182,7 +1236,7 @@ version = "1.0.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cc 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "pkg-config 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "vcpkg 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1203,7 +1257,7 @@ dependencies = [
 
 [[package]]
 name = "lock_api"
-version = "0.3.1"
+version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "scopeguard 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1214,7 +1268,7 @@ name = "log"
 version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1253,7 +1307,7 @@ name = "memchr"
 version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1261,11 +1315,6 @@ name = "memchr"
 version = "2.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "memoffset"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "migrations_internals"
 version = "1.4.0"
@@ -1290,18 +1339,16 @@ name = "mime"
 version = "0.3.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "unicase 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicase 2.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "mime_guess"
-version = "2.0.0-alpha.6"
+version = "2.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "mime 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "phf 0.7.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "phf_codegen 0.7.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "unicase 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicase 2.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1310,39 +1357,28 @@ version = "0.1.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cc 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "miniz_oxide"
-version = "0.2.2"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "adler32 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "miniz_oxide_c_api"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "cc 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
- "crc32fast 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
- "miniz_oxide 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "mio"
-version = "0.6.16"
+version = "0.6.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "fuchsia-zircon-sys 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "iovec 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazycell 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "miow 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1355,9 +1391,9 @@ name = "mio-uds"
 version = "0.6.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
- "mio 0.6.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "iovec 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mio 0.6.21 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1376,8 +1412,8 @@ name = "native-tls"
 version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl 0.10.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl-probe 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl-sys 0.9.38 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1392,9 +1428,9 @@ name = "net2"
 version = "0.2.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1409,16 +1445,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "cc 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
- "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "nodrop"
-version = "0.1.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "nom"
 version = "4.1.1"
@@ -1449,7 +1480,7 @@ name = "num_cpus"
 version = "1.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1475,10 +1506,10 @@ version = "0.10.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "foreign-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl-sys 0.9.38 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1493,7 +1524,7 @@ version = "0.9.38"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cc 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "pkg-config 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "vcpkg 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1520,7 +1551,7 @@ name = "parking_lot"
 version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "lock_api 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lock_api 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot_core 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1530,11 +1561,11 @@ name = "parking_lot_core"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1542,13 +1573,13 @@ name = "parking_lot_core"
 version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1632,9 +1663,36 @@ version = "0.7.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "siphasher 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "unicase 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "pin-project"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "pin-project-internal 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "pin-project-internal"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "pin-project-lite"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "pin-utils"
+version = "0.1.0-alpha.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "pkg-config"
 version = "0.3.14"
@@ -1653,6 +1711,21 @@ name = "precomputed-hash"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "proc-macro-hack"
+version = "0.5.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "proc-macro-nested"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "proc-macro2"
 version = "0.4.27"
@@ -1706,8 +1779,8 @@ version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1717,9 +1790,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "fuchsia-cprng 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1728,7 +1801,7 @@ version = "0.6.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_chacha 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_hc 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1737,7 +1810,7 @@ dependencies = [
  "rand_os 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_pcg 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_xorshift 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1783,9 +1856,9 @@ name = "rand_jitter"
 version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1795,10 +1868,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1877,33 +1950,43 @@ name = "remove_dir_all"
 version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "reqwest"
-version = "0.9.1"
+version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "base64 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "async-compression 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "base64 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "encoding_rs 0.8.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "http 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "hyper 0.12.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "hyper-tls 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libflate 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-util 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http-body 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hyper 0.13.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hyper-tls 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "js-sys 0.3.31 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "mime 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "mime_guess 2.0.0-alpha.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mime_guess 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "native-tls 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "percent-encoding 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pin-project-lite 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.89 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.39 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_urlencoded 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "uuid 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_urlencoded 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-tls 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "url 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen 0.2.54 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-futures 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "web-sys 0.3.31 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winreg 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1912,16 +1995,11 @@ version = "0.13.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cc 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "untrusted 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "rle-decode-fast"
-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "route-recognizer"
 version = "0.1.13"
@@ -1973,8 +2051,8 @@ name = "schannel"
 version = "0.1.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1985,11 +2063,6 @@ dependencies = [
  "antidote 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "scoped-tls"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "scopeguard"
 version = "0.3.3"
@@ -2007,7 +2080,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "core-foundation 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "core-foundation-sys 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "security-framework-sys 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2017,7 +2090,7 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "core-foundation-sys 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2090,13 +2163,13 @@ dependencies = [
 
 [[package]]
 name = "serde_urlencoded"
-version = "0.5.4"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "dtoa 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "itoa 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.89 (registry+https://github.com/rust-lang/crates.io-index)",
- "url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "url 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2121,6 +2194,15 @@ dependencies = [
  "fake-simd 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "signal-hook-registry"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "arc-swap 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "siphasher"
 version = "0.2.2"
@@ -2144,20 +2226,20 @@ name = "socket2"
 version = "0.3.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
-name = "stable_deref_trait"
-version = "1.1.1"
+name = "sourcefile"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
-name = "string"
-version = "0.1.3"
+name = "stable_deref_trait"
+version = "1.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -2165,7 +2247,7 @@ name = "string_cache"
 version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "new_debug_unreachable 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "phf_shared 0.7.24 (registry+https://github.com/rust-lang/crates.io-index)",
  "precomputed-hash 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2250,18 +2332,13 @@ dependencies = [
  "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "take_mut"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "tar"
 version = "0.4.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "filetime 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
  "xattr 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -2271,12 +2348,12 @@ name = "tempfile"
 version = "3.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
  "remove_dir_all 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2302,7 +2379,7 @@ name = "termion"
 version = "1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -2313,7 +2390,7 @@ version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2329,7 +2406,7 @@ name = "thread_local"
 version = "0.3.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2345,204 +2422,93 @@ name = "time"
 version = "0.1.42"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "tokio"
-version = "0.1.16"
+version = "0.2.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "mio 0.6.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "iovec 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mio 0.6.21 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mio-uds 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "num_cpus 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-current-thread 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-executor 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-fs 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-reactor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-sync 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-tcp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-threadpool 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-timer 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-udp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-uds 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "tokio-codec"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "tokio-core"
-version = "0.1.17"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "mio 0.6.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "scoped-tls 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-executor 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-reactor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-timer 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "tokio-current-thread"
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
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- "tokio-executor 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
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- "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "tokio-fs"
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-threadpool 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pin-project-lite 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "signal-hook-registry 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
-name = "tokio-io"
-version = "0.1.12"
+name = "tokio-tls"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "native-tls 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
-name = "tokio-reactor"
-version = "0.1.9"
+name = "tokio-util"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-sink 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "mio 0.6.16 (registry+https://github.com/rust-lang/crates.io-index)",
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- "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-executor 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-sync 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pin-project-lite 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
-name = "tokio-sync"
-version = "0.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
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-]
-
-[[package]]
-name = "tokio-tcp"
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+name = "toml"
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 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
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- "mio 0.6.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-reactor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.89 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
-name = "tokio-threadpool"
-version = "0.1.12"
+name = "tower-service"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "crossbeam-deque 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-queue 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
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- "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
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- "tokio-executor 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
-]
 
 [[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-executor 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "tokio-udp"
-version = "0.1.3"
+name = "tracing"
+version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "mio 0.6.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-reactor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tracing-attributes 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tracing-core 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
-name = "tokio-uds"
-version = "0.2.5"
+name = "tracing-attributes"
+version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "mio 0.6.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "mio-uds 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-reactor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
-name = "toml"
-version = "0.4.5"
+name = "tracing-core"
+version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.89 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2575,18 +2541,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "unicase"
-version = "1.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "version_check 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "unicase"
-version = "2.1.0"
+version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "version_check 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "version_check 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2605,6 +2563,11 @@ dependencies = [
  "smallvec 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "unicode-segmentation"
+version = "1.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "unicode-xid"
 version = "0.1.0"
@@ -2689,6 +2652,11 @@ name = "version_check"
 version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "version_check"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "void"
 version = "1.0.2"
@@ -2700,20 +2668,116 @@ version = "2.2.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "same-file 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi-util 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "want"
-version = "0.0.6"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "try-lock 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "wasm-bindgen"
+version = "0.2.54"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
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 "checksum serde_json 1.0.39 (registry+https://github.com/rust-lang/crates.io-index)" = "5a23aa71d4a4d43fdbfaac00eff68ba8a06a51759a89ac3304323e800c4dd40d"
-"checksum serde_urlencoded 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)" = "d48f9f99cd749a2de71d29da5f948de7f2764cc5a9d7f3c97e3514d4ee6eabf2"
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 "checksum sha-1 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "51b9d1f3b5de8a167ab06834a7c883bd197f2191e1dda1a22d9ccfeedbf9aded"
 "checksum sha2 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "9eb6be24e4c23a84d7184280d2722f7f2731fcdd4a9d886efbfe4413e4847ea0"
+"checksum signal-hook-registry 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "94f478ede9f64724c5d173d7bb56099ec3e2d9fc2774aac65d34b8b890405f41"
 "checksum siphasher 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "0df90a788073e8d0235a67e50441d47db7c8ad9debd91cbf43736a2a92d36537"
 "checksum slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "c111b5bd5695e56cffe5129854aa230b39c93a305372fdbb2668ca2394eea9f8"
 "checksum smallvec 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)" = "88aea073965ab29f6edb5493faf96ad662fb18aa9eeb186a3b7057951605ed15"
 "checksum socket2 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)" = "c4d11a52082057d87cb5caa31ad812f4504b97ab44732cd8359df2e9ff9f48e7"
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 "checksum stable_deref_trait 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "dba1a27d3efae4351c8051072d619e3ade2820635c3958d826bfea39d59b54c8"
-"checksum string 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "b639411d0b9c738748b5397d5ceba08e648f4f1992231aa859af1a017f31f60b"
 "checksum string_cache 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)" = "25d70109977172b127fe834e5449e5ab1740b9ba49fa18a2020f509174f25423"
 "checksum string_cache_codegen 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "1eea1eee654ef80933142157fdad9dd8bc43cf7c74e999e369263496f04ff4da"
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@@ -3031,7 +3113,6 @@ dependencies = [
 "checksum syn 0.15.29 (registry+https://github.com/rust-lang/crates.io-index)" = "1825685f977249735d510a242a6727b46efe914bb67e38d30c071b1b72b1d5c2"
 "checksum syn 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)" = "66850e97125af79138385e9b88339cbcd037e3f28ceab8c5ad98e64f0f1f80bf"
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-"checksum take_mut 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f764005d11ee5f36500a149ace24e00e3da98b0158b3e2d53a7495660d3f4d60"
 "checksum tar 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)" = "b3196bfbffbba3e57481b6ea32249fbaf590396a52505a2615adbb79d9d826d3"
 "checksum tempfile 3.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "55c1195ef8513f3273d55ff59fe5da6940287a0d7a98331254397f464833675b"
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@@ -3042,30 +3123,23 @@ dependencies = [
 "checksum thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c6b53e329000edc2b34dbe8545fd20e55a333362d0a321909685a19bd28c3f1b"
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-"checksum tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "5c501eceaf96f0e1793cf26beb63da3d11c738c4a943fdf3746d81d64684c39f"
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-"checksum tokio-executor 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "30c6dbf2d1ad1de300b393910e8a3aa272b724a400b6531da03eed99e329fbf0"
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-"checksum unicase 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7f4765f83163b74f957c797ad9253caf97f103fb064d3999aea9568d09fc8a33"
-"checksum unicase 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "284b6d3db520d67fbe88fd778c21510d1b0ba4a551e5d0fbb023d33405f6de8a"
+"checksum unicase 2.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "50f37be617794602aabbeee0be4f259dc1778fabe05e2d67ee8f79326d5cb4f6"
 "checksum unicode-bidi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "49f2bd0c6468a8230e1db229cff8029217cf623c767ea5d60bfbd42729ea54d5"
 "checksum unicode-normalization 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "141339a08b982d942be2ca06ff8b076563cbe223d1befd5450716790d44e2426"
+"checksum unicode-segmentation 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e83e153d1053cbb5a118eeff7fd5be06ed99153f00dbcd8ae310c5fb2b22edc0"
 "checksum unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
 "checksum unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "826e7639553986605ec5979c7dd957c7895e93eabed50ab2ffa7f6128a75097c"
 "checksum unicode_categories 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "39ec24b3121d976906ece63c9daad25b85969647682eee313cb5779fdd69e14e"
@@ -3079,16 +3153,27 @@ dependencies = [
 "checksum uuid 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "dab5c5526c5caa3d106653401a267fed923e7046f35895ffcb5ca42db64942e6"
 "checksum vcpkg 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "9e0a7d8bed3178a8fb112199d466eeca9ed09a14ba8ad67718179b4fd5487d0b"
 "checksum version_check 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "7716c242968ee87e5542f8021178248f267f295a5c4803beae8b8b7fd9bc6051"
+"checksum version_check 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)" = "078775d0255232fb988e6fccf26ddc9d1ac274299aaedcedce21c6f72cc533ce"
 "checksum void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
 "checksum walkdir 2.2.9 (registry+https://github.com/rust-lang/crates.io-index)" = "9658c94fa8b940eab2250bd5a457f9c48b748420d71293b165c8cdbe2f55f71e"
-"checksum want 0.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "797464475f30ddb8830cc529aaaae648d581f99e2036a928877dfde027ddf6b3"
+"checksum want 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1ce8a968cb1cd110d136ff8b819a556d6fb6d919363c61534f6860c7eb172ba0"
+"checksum wasm-bindgen 0.2.54 (registry+https://github.com/rust-lang/crates.io-index)" = "c4568ae1b4e07ca907b1a4de41174eaa3e5be4066c024475586b7842725f69a9"
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+"checksum wasm-bindgen-futures 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)" = "07573324d8331357b833487c57f7b8d45924a69d5e2c44b4420558b310b86943"
+"checksum wasm-bindgen-macro 0.2.54 (registry+https://github.com/rust-lang/crates.io-index)" = "7c568f4d3cf6d7c1d72b165daf778fb0d6e09a24f96ac14fc8c4f66a96e86b72"
+"checksum wasm-bindgen-macro-support 0.2.54 (registry+https://github.com/rust-lang/crates.io-index)" = "430d12539ae324d16097b399e9d07a6d5ce0173b2a61a2d02346ca7c198daffe"
+"checksum wasm-bindgen-shared 0.2.54 (registry+https://github.com/rust-lang/crates.io-index)" = "8ae7167f0bbffd7fac2b12da0fa1f834c1d84671a1ae3c93ac8bde2e97179c39"
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-"checksum winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)" = "f10e386af2b13e47c89e7236a7a14a086791a2b88ebad6df9bf42040195cf770"
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diff --git a/Cargo.toml b/Cargo.toml
index 30e936dffb6..037beb8a277 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -57,7 +57,7 @@ ammonia = "3.0.0"
 docopt = "1.0"
 scheduled-thread-pool = "0.2.0"
 derive_deref = "1.0.0"
-reqwest = "0.9.1"
+reqwest = { version = "0.10", features = ["blocking", "gzip", "json"] }
 tempfile = "3"
 parking_lot = "0.7.1"
 jemallocator = { version = "0.3", features = ['unprefixed_malloc_on_supported_platforms', 'profiling'] }
@@ -75,21 +75,22 @@ conduit-router = "0.8"
 conduit-static = "0.8"
 conduit-git-http-backend = "0.8"
 civet = "0.9"
-conduit-hyper = "0.1.3"
+conduit-hyper = "0.2.0"
 
-futures = "0.1"
-tokio = "0.1"
-hyper = "0.12"
+futures = "0.3"
+tokio = { version = "0.2", default-features = false, features = ["net", "signal", "io-std"]}
+hyper = "0.13"
 ctrlc = { version = "3.0", features = ["termination"] }
 indexmap = "1.0.2"
 handlebars = "2.0.1"
 
 [dev-dependencies]
 conduit-test = "0.8"
-hyper-tls = "0.3"
+hyper-tls = "0.4"
 lazy_static = "1.0"
-tokio-core = "0.1"
 diesel_migrations = { version = "1.3.0", features = ["postgres"] }
+tower-service = "0.3.0"
+tokio = { version = "0.2", default-features = false, features = ["stream"]}
 
 [build-dependencies]
 dotenv = "0.15"
diff --git a/src/app.rs b/src/app.rs
index 716f45f99b8..ed7445adeaf 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -5,7 +5,7 @@ use std::{path::PathBuf, sync::Arc, time::Duration};
 
 use diesel::r2d2;
 use oauth2::basic::BasicClient;
-use reqwest::Client;
+use reqwest::blocking::Client;
 use scheduled_thread_pool::ScheduledThreadPool;
 
 /// The `App` struct holds the main components of the application like
diff --git a/src/background_jobs.rs b/src/background_jobs.rs
index e4c01d1d9a3..820bd68ce0c 100644
--- a/src/background_jobs.rs
+++ b/src/background_jobs.rs
@@ -1,3 +1,4 @@
+use reqwest::blocking::Client;
 use std::panic::AssertUnwindSafe;
 use std::sync::{Arc, Mutex, MutexGuard, PoisonError};
 
@@ -26,7 +27,7 @@ pub struct Environment {
     // FIXME: https://github.com/sfackler/r2d2/pull/70
     pub connection_pool: AssertUnwindSafe<DieselPool>,
     pub uploader: Uploader,
-    http_client: AssertUnwindSafe<reqwest::Client>,
+    http_client: AssertUnwindSafe<Client>,
 }
 
 // FIXME: AssertUnwindSafe should be `Clone`, this can be replaced with
@@ -47,7 +48,7 @@ impl Environment {
         index: Repository,
         connection_pool: DieselPool,
         uploader: Uploader,
-        http_client: reqwest::Client,
+        http_client: Client,
     ) -> Self {
         Self {
             index: Arc::new(Mutex::new(index)),
@@ -68,7 +69,7 @@ impl Environment {
     }
 
     /// Returns a client for making HTTP requests to upload crate files.
-    pub(crate) fn http_client(&self) -> &reqwest::Client {
+    pub(crate) fn http_client(&self) -> &Client {
         &self.http_client
     }
 }
diff --git a/src/bin/background-worker.rs b/src/bin/background-worker.rs
index 2a503748c19..f3645889737 100644
--- a/src/bin/background-worker.rs
+++ b/src/bin/background-worker.rs
@@ -15,6 +15,7 @@
 use cargo_registry::git::{Repository, RepositoryConfig};
 use cargo_registry::{background_jobs::*, db};
 use diesel::r2d2;
+use reqwest::blocking::Client;
 use std::thread::sleep;
 use std::time::Duration;
 
@@ -43,12 +44,7 @@ fn main() {
     let repository = Repository::open(&repository_config).expect("Failed to clone index");
     println!("Index cloned");
 
-    let environment = Environment::new(
-        repository,
-        db_pool.clone(),
-        config.uploader,
-        reqwest::Client::new(),
-    );
+    let environment = Environment::new(repository, db_pool.clone(), config.uploader, Client::new());
 
     let build_runner = || {
         swirl::Runner::builder(db_pool.clone(), environment.clone())
diff --git a/src/bin/on_call/mod.rs b/src/bin/on_call/mod.rs
index 7e31f783f76..2306a256e4b 100644
--- a/src/bin/on_call/mod.rs
+++ b/src/bin/on_call/mod.rs
@@ -1,6 +1,6 @@
 use cargo_registry::util::Error;
 
-use reqwest::{header, StatusCode as Status};
+use reqwest::{blocking::Client, header, StatusCode as Status};
 
 #[derive(serde::Serialize, Debug)]
 #[serde(rename_all = "snake_case", tag = "event_type")]
@@ -29,7 +29,7 @@ impl Event {
         let api_token = dotenv::var("PAGERDUTY_API_TOKEN")?;
         let service_key = dotenv::var("PAGERDUTY_INTEGRATION_KEY")?;
 
-        let mut response = reqwest::Client::new()
+        let response = Client::new()
             .post("https://events.pagerduty.com/generic/2010-04-15/create_event.json")
             .header(header::ACCEPT, "application/vnd.pagerduty+json;version=2")
             .header(header::AUTHORIZATION, format!("Token token={}", api_token))
diff --git a/src/bin/render-readmes.rs b/src/bin/render-readmes.rs
index 7fa62cbb1d8..06a0e3125ec 100644
--- a/src/bin/render-readmes.rs
+++ b/src/bin/render-readmes.rs
@@ -21,7 +21,7 @@ use chrono::{TimeZone, Utc};
 use diesel::{dsl::any, prelude::*};
 use docopt::Docopt;
 use flate2::read::GzDecoder;
-use reqwest::{header, Client};
+use reqwest::{blocking::Client, header};
 use tar::{self, Archive};
 
 const CACHE_CONTROL_README: &str = "public,max-age=604800";
@@ -170,7 +170,7 @@ fn get_readme(
         .uploader
         .crate_location(krate_name, &version.num.to_string());
 
-    let mut response = match client.get(&location).send() {
+    let response = match client.get(&location).send() {
         Ok(r) => r,
         Err(err) => {
             println!(
diff --git a/src/bin/server.rs b/src/bin/server.rs
index bd2d0e8ddef..19e5c3bb703 100644
--- a/src/bin/server.rs
+++ b/src/bin/server.rs
@@ -9,18 +9,18 @@ use std::{
 };
 
 use civet::Server as CivetServer;
-use conduit_hyper::Service as HyperService;
-use futures::Future;
-use reqwest::Client;
+use conduit_hyper::Service;
+use futures::prelude::*;
+use reqwest::blocking::Client;
 
 enum Server {
     Civet(CivetServer),
-    Hyper(tokio::runtime::Runtime),
+    Hyper(tokio::runtime::Runtime, tokio::task::JoinHandle<()>),
 }
 
 use Server::*;
 
-fn main() {
+fn main() -> Result<(), Box<dyn std::error::Error>> {
     // Initialize logging
     env_logger::init();
 
@@ -57,35 +57,43 @@ fn main() {
         });
 
     let server = if dotenv::var("USE_HYPER").is_ok() {
-        println!("Booting with a hyper based server");
-        let addr = ([127, 0, 0, 1], port).into();
-        let service = HyperService::new(app, threads as usize);
-        let server = hyper::Server::bind(&addr).serve(service);
-
-        let (tx, rx) = futures::sync::oneshot::channel::<()>();
-        let server = server
-            .with_graceful_shutdown(rx)
-            .map_err(|e| log::error!("Server error: {}", e));
+        use tokio::io::AsyncWriteExt;
+        use tokio::signal::unix::{signal, SignalKind};
 
-        ctrlc_handler(move || tx.send(()).unwrap_or(()));
+        println!("Booting with a hyper based server");
 
         let mut rt = tokio::runtime::Builder::new()
-            .core_threads(4)
-            .name_prefix("hyper-server-worker-")
-            .after_start(|| {
-                log::debug!("Stared thread {}", thread::current().name().unwrap_or("?"))
-            })
-            .before_stop(|| {
-                log::debug!(
-                    "Stopping thread {}",
-                    thread::current().name().unwrap_or("?")
-                )
-            })
+            .threaded_scheduler()
+            .enable_all()
             .build()
             .unwrap();
-        rt.spawn(server);
 
-        Hyper(rt)
+        let handler = Arc::new(conduit_hyper::BlockingHandler::new(app, threads as usize));
+        let make_service =
+            hyper::service::make_service_fn(move |socket: &hyper::server::conn::AddrStream| {
+                let addr = socket.remote_addr();
+                let handler = handler.clone();
+                async move { Service::from_blocking(handler, addr) }
+            });
+
+        let addr = ([127, 0, 0, 1], port).into();
+        let server = rt.block_on(async { hyper::Server::bind(&addr).serve(make_service) });
+
+        let mut sig_int = rt.block_on(async { signal(SignalKind::interrupt()) })?;
+        let mut sig_term = rt.block_on(async { signal(SignalKind::terminate()) })?;
+
+        let server = server.with_graceful_shutdown(async move {
+            // Wait for either signal
+            futures::select! {
+                _ = sig_int.recv().fuse() => (),
+                _ = sig_term.recv().fuse() => (),
+            };
+            let mut stdout = tokio::io::stdout();
+            stdout.write_all(b"Starting graceful shutdown\n").await.ok();
+        });
+
+        let server = rt.spawn(async { server.await.unwrap() });
+        Hyper(rt, server)
     } else {
         println!("Booting with a civet based server");
         let mut cfg = civet::Config::new();
@@ -112,7 +120,9 @@ fn main() {
 
     // Block the main thread until the server has shutdown
     match server {
-        Hyper(rt) => rt.shutdown_on_idle().wait().unwrap(),
+        Hyper(mut rt, server) => {
+            rt.block_on(async { server.await.unwrap() });
+        }
         Civet(server) => {
             let (tx, rx) = channel::<()>();
             ctrlc_handler(move || tx.send(()).unwrap_or(()));
@@ -122,6 +132,7 @@ fn main() {
     }
 
     println!("Server has gracefully shutdown!");
+    Ok(())
 }
 
 fn ctrlc_handler<F>(f: F)
diff --git a/src/github.rs b/src/github.rs
index 35e7a7e6574..33572036485 100644
--- a/src/github.rs
+++ b/src/github.rs
@@ -24,6 +24,7 @@ where
         .get(&url)
         .header(header::ACCEPT, "application/vnd.github.v3+json")
         .header(header::AUTHORIZATION, format!("token {}", auth.secret()))
+        .header(header::USER_AGENT, "crates.io (https://crates.io)")
         .send()?
         .error_for_status()
         .map_err(|e| handle_error_response(&e))?
diff --git a/src/s3/Cargo.toml b/src/s3/Cargo.toml
index 88755aa4e02..f5b0ec38902 100644
--- a/src/s3/Cargo.toml
+++ b/src/s3/Cargo.toml
@@ -17,4 +17,4 @@ path = "lib.rs"
 base64 = "0.6"
 chrono = "0.4"
 openssl = "0.10.13"
-reqwest = "0.9.1"
+reqwest = { version = "0.10", features = ["blocking"] }
diff --git a/src/s3/lib.rs b/src/s3/lib.rs
index 623815a7af7..669dbdf21c8 100644
--- a/src/s3/lib.rs
+++ b/src/s3/lib.rs
@@ -6,7 +6,10 @@ use openssl::error::ErrorStack;
 use openssl::hash::MessageDigest;
 use openssl::pkey::PKey;
 use openssl::sign::Signer;
-use reqwest::{header, Body, Client, Response};
+use reqwest::{
+    blocking::{Body, Client, Response},
+    header,
+};
 
 mod error;
 pub use error::Error;
@@ -60,6 +63,7 @@ impl Bucket {
             .header(header::AUTHORIZATION, auth)
             .header(header::CONTENT_TYPE, content_type)
             .header(header::DATE, date)
+            .header(header::USER_AGENT, "crates.io (https://crates.io)")
             .headers(extra_headers)
             .body(Body::sized(content, content_length))
             .send()?
diff --git a/src/tasks/dump_db.rs b/src/tasks/dump_db.rs
index 2536c3be44a..72611b7df41 100644
--- a/src/tasks/dump_db.rs
+++ b/src/tasks/dump_db.rs
@@ -152,7 +152,7 @@ impl DumpTarball {
     }
 
     fn upload(&self, target_name: &str, uploader: &Uploader) -> Result<u64, PerformError> {
-        let client = reqwest::Client::new();
+        let client = reqwest::blocking::Client::new();
         let tarfile = File::open(&self.tarball_path)?;
         let content_length = tarfile.metadata()?.len();
         // TODO Figure out the correct content type.
diff --git a/src/tests/all.rs b/src/tests/all.rs
index 739e9282faf..4275785f2fd 100644
--- a/src/tests/all.rs
+++ b/src/tests/all.rs
@@ -29,7 +29,7 @@ use std::{
 
 use conduit_test::MockRequest;
 use diesel::prelude::*;
-use reqwest::{Client, Proxy};
+use reqwest::{blocking::Client, Proxy};
 
 macro_rules! t {
     ($e:expr) => {
diff --git a/src/tests/http-data/krate_good_badges b/src/tests/http-data/krate_good_badges
index 44225a606cb..2c65ed28f8f 100644
--- a/src/tests/http-data/krate_good_badges
+++ b/src/tests/http-data/krate_good_badges
@@ -20,10 +20,6 @@
           "authorization",
           "AWS AKIAICL5IWUZYWWKA7JA:kDm23yhf8YuOKpTcbHhNBa6BtQw="
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "host",
           "alexcrichton-test.s3.amazonaws.com"
diff --git a/src/tests/http-data/krate_good_categories b/src/tests/http-data/krate_good_categories
index e51a4224da5..067e56350a4 100644
--- a/src/tests/http-data/krate_good_categories
+++ b/src/tests/http-data/krate_good_categories
@@ -28,10 +28,6 @@
           "date",
           "Fri, 15 Sep 2017 07:53:05 -0700"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "accept",
           "*/*"
diff --git a/src/tests/http-data/krate_ignored_badges b/src/tests/http-data/krate_ignored_badges
index 2f73974afd3..e3c0cc1121b 100644
--- a/src/tests/http-data/krate_ignored_badges
+++ b/src/tests/http-data/krate_ignored_badges
@@ -20,10 +20,6 @@
           "content-length",
           "35"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "accept-encoding",
           "gzip"
diff --git a/src/tests/http-data/krate_ignored_categories b/src/tests/http-data/krate_ignored_categories
index c8f0b5ae489..ddfebd111ac 100644
--- a/src/tests/http-data/krate_ignored_categories
+++ b/src/tests/http-data/krate_ignored_categories
@@ -8,10 +8,6 @@
           "content-length",
           "35"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "authorization",
           "AWS AKIAICL5IWUZYWWKA7JA:V37kbEzeh57sB4yTSZIOJACPoP4="
diff --git a/src/tests/http-data/krate_new_krate b/src/tests/http-data/krate_new_krate
index 49f1da91933..08122c003cf 100644
--- a/src/tests/http-data/krate_new_krate
+++ b/src/tests/http-data/krate_new_krate
@@ -20,10 +20,6 @@
           "accept-encoding",
           "gzip"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "content-type",
           "application/x-tar"
diff --git a/src/tests/http-data/krate_new_krate_git_upload b/src/tests/http-data/krate_new_krate_git_upload
index 39bddd23d7c..bc20c3513da 100644
--- a/src/tests/http-data/krate_new_krate_git_upload
+++ b/src/tests/http-data/krate_new_krate_git_upload
@@ -31,10 +31,6 @@
         [
           "accept",
           "*/*"
-        ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
         ]
       ],
       "body": "H4sIAAAAAAAA/+3AAQEAAACCIP+vbkhQwKsBLq+17wAEAAA="
diff --git a/src/tests/http-data/krate_new_krate_git_upload_appends b/src/tests/http-data/krate_new_krate_git_upload_appends
index 64147d4647d..de98ea0fdfb 100644
--- a/src/tests/http-data/krate_new_krate_git_upload_appends
+++ b/src/tests/http-data/krate_new_krate_git_upload_appends
@@ -20,10 +20,6 @@
           "accept",
           "*/*"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "authorization",
           "AWS AKIAICL5IWUZYWWKA7JA:UgUqqHJ9cQAZDdbcsxpnC0BI2eE="
@@ -91,10 +87,6 @@
           "accept",
           "*/*"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "authorization",
           "AWS AKIAICL5IWUZYWWKA7JA:UgUqqHJ9cQAZDdbcsxpnC0BI2eE="
diff --git a/src/tests/http-data/krate_new_krate_git_upload_with_conflicts b/src/tests/http-data/krate_new_krate_git_upload_with_conflicts
index fd9aa8da00d..a8f24d97254 100644
--- a/src/tests/http-data/krate_new_krate_git_upload_with_conflicts
+++ b/src/tests/http-data/krate_new_krate_git_upload_with_conflicts
@@ -24,10 +24,6 @@
           "authorization",
           "AWS AKIAICL5IWUZYWWKA7JA:241ftMxnamoj94RBOB/al86Xwjk="
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "accept",
           "*/*"
diff --git a/src/tests/http-data/krate_new_krate_records_verified_email b/src/tests/http-data/krate_new_krate_records_verified_email
index 47eeb232c6e..a6cbdc3f941 100644
--- a/src/tests/http-data/krate_new_krate_records_verified_email
+++ b/src/tests/http-data/krate_new_krate_records_verified_email
@@ -20,10 +20,6 @@
           "accept-encoding",
           "gzip"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "content-type",
           "application/x-tar"
diff --git a/src/tests/http-data/krate_new_krate_too_big_but_whitelisted b/src/tests/http-data/krate_new_krate_too_big_but_whitelisted
index d7a3d416404..30da5b0099d 100644
--- a/src/tests/http-data/krate_new_krate_too_big_but_whitelisted
+++ b/src/tests/http-data/krate_new_krate_too_big_but_whitelisted
@@ -31,10 +31,6 @@
         [
           "date",
           "Fri, 15 Sep 2017 07:53:06 -0700"
-        ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
         ]
       ],
       "body": "H4sIAAAAAAAA/+3GTQqAIBAG0DmKF8jUoDlOGPQzEAg50fVDon0rIfre6s0pDecqOm2StfHWW9eOslAN7tZxcM+Lcu4DUxVH1rgbQz8VAQAA4PMIAOClC25Yv/oADgAA"
diff --git a/src/tests/http-data/krate_new_krate_twice b/src/tests/http-data/krate_new_krate_twice
index 2f657799d70..cfb5979192d 100644
--- a/src/tests/http-data/krate_new_krate_twice
+++ b/src/tests/http-data/krate_new_krate_twice
@@ -28,10 +28,6 @@
           "date",
           "Fri, 15 Sep 2017 07:53:06 -0700"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "host",
           "alexcrichton-test.s3.amazonaws.com"
diff --git a/src/tests/http-data/krate_new_krate_weird_version b/src/tests/http-data/krate_new_krate_weird_version
index 1584a5feade..ac5f4213637 100644
--- a/src/tests/http-data/krate_new_krate_weird_version
+++ b/src/tests/http-data/krate_new_krate_weird_version
@@ -12,10 +12,6 @@
           "accept-encoding",
           "gzip"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "authorization",
           "AWS AKIAICL5IWUZYWWKA7JA:eW1SP7V3WdqHXWZLcbN1BI2Zo0g="
diff --git a/src/tests/http-data/krate_new_krate_with_dependency b/src/tests/http-data/krate_new_krate_with_dependency
index 4627f002461..e42cd6d87de 100644
--- a/src/tests/http-data/krate_new_krate_with_dependency
+++ b/src/tests/http-data/krate_new_krate_with_dependency
@@ -28,10 +28,6 @@
           "content-length",
           "35"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "accept",
           "*/*"
diff --git a/src/tests/http-data/krate_new_krate_with_readme b/src/tests/http-data/krate_new_krate_with_readme
index 040988d5732..3b0078e794f 100644
--- a/src/tests/http-data/krate_new_krate_with_readme
+++ b/src/tests/http-data/krate_new_krate_with_readme
@@ -20,10 +20,6 @@
           "accept-encoding",
           "gzip"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "content-type",
           "application/x-tar"
@@ -99,10 +95,6 @@
           "host",
           "alexcrichton-test.s3.amazonaws.com"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "content-length",
           "0"
diff --git a/src/tests/http-data/krate_new_krate_with_token b/src/tests/http-data/krate_new_krate_with_token
index 305895b26e3..e73985d5c25 100644
--- a/src/tests/http-data/krate_new_krate_with_token
+++ b/src/tests/http-data/krate_new_krate_with_token
@@ -8,10 +8,6 @@
           "date",
           "Fri, 15 Sep 2017 07:53:06 -0700"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "authorization",
           "AWS AKIAICL5IWUZYWWKA7JA:uDc39eNdF6CcwB+q+JwKsoDLQc4="
diff --git a/src/tests/http-data/krate_new_with_renamed_dependency b/src/tests/http-data/krate_new_with_renamed_dependency
index 6b7dcc0187c..09993d66ac1 100644
--- a/src/tests/http-data/krate_new_with_renamed_dependency
+++ b/src/tests/http-data/krate_new_with_renamed_dependency
@@ -4,10 +4,6 @@
       "uri": "http://alexcrichton-test.s3.amazonaws.com/crates/new-krate/new-krate-1.0.0.crate",
       "method": "PUT",
       "headers": [
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "accept",
           "*/*"
diff --git a/src/tests/http-data/krate_publish_after_removing_documentation b/src/tests/http-data/krate_publish_after_removing_documentation
index ba1aa2591eb..12b0cffd4d9 100644
--- a/src/tests/http-data/krate_publish_after_removing_documentation
+++ b/src/tests/http-data/krate_publish_after_removing_documentation
@@ -24,10 +24,6 @@
           "host",
           "alexcrichton-test.s3.amazonaws.com"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "date",
           "Fri, 15 Sep 2017 07:53:06 -0700"
@@ -99,10 +95,6 @@
           "accept-encoding",
           "gzip"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "accept",
           "*/*"
diff --git a/src/tests/http-data/krate_publish_after_yank_max_version b/src/tests/http-data/krate_publish_after_yank_max_version
index 67fafa16139..c2bb0a5be69 100644
--- a/src/tests/http-data/krate_publish_after_yank_max_version
+++ b/src/tests/http-data/krate_publish_after_yank_max_version
@@ -8,10 +8,6 @@
           "host",
           "alexcrichton-test.s3.amazonaws.com"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "content-type",
           "application/x-tar"
@@ -83,10 +79,6 @@
           "authorization",
           "AWS AKIAICL5IWUZYWWKA7JA:umuWs3XoGqsDipgMq04QAhq9Spc="
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "date",
           "Fri, 15 Sep 2017 07:53:06 -0700"
diff --git a/src/tests/http-data/krate_publish_new_crate_rate_limited b/src/tests/http-data/krate_publish_new_crate_rate_limited
index ef6d3225b66..b10b18ad2a0 100644
--- a/src/tests/http-data/krate_publish_new_crate_rate_limited
+++ b/src/tests/http-data/krate_publish_new_crate_rate_limited
@@ -28,10 +28,6 @@
           "date",
           "Fri, 15 Sep 2017 07:53:06 -0700"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "host",
           "alexcrichton-test.s3.amazonaws.com"
@@ -99,10 +95,6 @@
           "date",
           "Fri, 15 Sep 2017 07:53:06 -0700"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "host",
           "alexcrichton-test.s3.amazonaws.com"
diff --git a/src/tests/http-data/krate_publish_rate_limit_doesnt_affect_existing_crates b/src/tests/http-data/krate_publish_rate_limit_doesnt_affect_existing_crates
index b0a60893f39..698551efdd1 100644
--- a/src/tests/http-data/krate_publish_rate_limit_doesnt_affect_existing_crates
+++ b/src/tests/http-data/krate_publish_rate_limit_doesnt_affect_existing_crates
@@ -28,10 +28,6 @@
           "date",
           "Fri, 15 Sep 2017 07:53:06 -0700"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "host",
           "alexcrichton-test.s3.amazonaws.com"
@@ -99,10 +95,6 @@
           "date",
           "Fri, 15 Sep 2017 07:53:06 -0700"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "host",
           "alexcrichton-test.s3.amazonaws.com"
diff --git a/src/tests/http-data/krate_publish_records_an_audit_action b/src/tests/http-data/krate_publish_records_an_audit_action
index 7ece8b4f2de..d3bdfb1d1ef 100644
--- a/src/tests/http-data/krate_publish_records_an_audit_action
+++ b/src/tests/http-data/krate_publish_records_an_audit_action
@@ -16,10 +16,6 @@
           "accept",
           "*/*"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "authorization",
           "AWS AKIAICL5IWUZYWWKA7JA:xCp3sUdUdmScjI6ct58zFv6BoGQ="
diff --git a/src/tests/http-data/krate_unyank_records_an_audit_action b/src/tests/http-data/krate_unyank_records_an_audit_action
index 7ece8b4f2de..d3bdfb1d1ef 100644
--- a/src/tests/http-data/krate_unyank_records_an_audit_action
+++ b/src/tests/http-data/krate_unyank_records_an_audit_action
@@ -16,10 +16,6 @@
           "accept",
           "*/*"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "authorization",
           "AWS AKIAICL5IWUZYWWKA7JA:xCp3sUdUdmScjI6ct58zFv6BoGQ="
diff --git a/src/tests/http-data/krate_uploading_new_version_touches_crate b/src/tests/http-data/krate_uploading_new_version_touches_crate
index e747adbc231..66a09e63339 100644
--- a/src/tests/http-data/krate_uploading_new_version_touches_crate
+++ b/src/tests/http-data/krate_uploading_new_version_touches_crate
@@ -31,10 +31,6 @@
         [
           "content-type",
           "application/x-tar"
-        ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
         ]
       ],
       "body": "H4sIAAAAAAAA/+3AAQEAAACCIP+vbkhQwKsBLq+17wAEAAA="
@@ -91,10 +87,6 @@
           "accept-encoding",
           "gzip"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "content-length",
           "35"
diff --git a/src/tests/http-data/krate_yank_max_version b/src/tests/http-data/krate_yank_max_version
index 2be90b87ae5..ad642e5f19a 100644
--- a/src/tests/http-data/krate_yank_max_version
+++ b/src/tests/http-data/krate_yank_max_version
@@ -28,10 +28,6 @@
           "date",
           "Fri, 15 Sep 2017 07:53:06 -0700"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "accept-encoding",
           "gzip"
@@ -83,10 +79,6 @@
           "accept-encoding",
           "gzip"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "authorization",
           "AWS AKIAICL5IWUZYWWKA7JA:umuWs3XoGqsDipgMq04QAhq9Spc="
diff --git a/src/tests/http-data/krate_yank_records_an_audit_action b/src/tests/http-data/krate_yank_records_an_audit_action
index 7ece8b4f2de..d3bdfb1d1ef 100644
--- a/src/tests/http-data/krate_yank_records_an_audit_action
+++ b/src/tests/http-data/krate_yank_records_an_audit_action
@@ -16,10 +16,6 @@
           "accept",
           "*/*"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "authorization",
           "AWS AKIAICL5IWUZYWWKA7JA:xCp3sUdUdmScjI6ct58zFv6BoGQ="
diff --git a/src/tests/http-data/krate_yank_works_as_intended b/src/tests/http-data/krate_yank_works_as_intended
index 7ece8b4f2de..d3bdfb1d1ef 100644
--- a/src/tests/http-data/krate_yank_works_as_intended
+++ b/src/tests/http-data/krate_yank_works_as_intended
@@ -16,10 +16,6 @@
           "accept",
           "*/*"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "authorization",
           "AWS AKIAICL5IWUZYWWKA7JA:xCp3sUdUdmScjI6ct58zFv6BoGQ="
diff --git a/src/tests/http-data/owners_new_crate_owner b/src/tests/http-data/owners_new_crate_owner
index ed45b960452..a9ddaed1938 100644
--- a/src/tests/http-data/owners_new_crate_owner
+++ b/src/tests/http-data/owners_new_crate_owner
@@ -28,10 +28,6 @@
           "accept",
           "*/*"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.2"
-        ],
         [
           "host",
           "alexcrichton-test.s3.amazonaws.com"
@@ -95,10 +91,6 @@
           "content-length",
           "35"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "accept",
           "*/*"
diff --git a/src/tests/http-data/team_add_owners_as_team_owner b/src/tests/http-data/team_add_owners_as_team_owner
index 42fd3bba801..18eddff0513 100644
--- a/src/tests/http-data/team_add_owners_as_team_owner
+++ b/src/tests/http-data/team_add_owners_as_team_owner
@@ -4,10 +4,6 @@
       "uri": "http://api.github.com/orgs/crates-test-org/teams/core",
       "method": "GET",
       "headers": [
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "accept-encoding",
           "gzip"
@@ -147,10 +143,6 @@
           "accept-encoding",
           "gzip"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "authorization",
           "token 7534f8b996e3a3f800f0a324f619adba12a74532"
@@ -274,10 +266,6 @@
           "host",
           "api.github.com"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "accept-encoding",
           "gzip"
@@ -413,10 +401,6 @@
           "accept",
           "application/vnd.github.v3+json"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "host",
           "api.github.com"
diff --git a/src/tests/http-data/team_add_team_as_non_member b/src/tests/http-data/team_add_team_as_non_member
index 7ea2122461f..9f2de623e2a 100644
--- a/src/tests/http-data/team_add_team_as_non_member
+++ b/src/tests/http-data/team_add_team_as_non_member
@@ -4,10 +4,6 @@
       "uri": "http://api.github.com/orgs/crates-test-org/teams/just-for-crates-2",
       "method": "GET",
       "headers": [
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "host",
           "api.github.com"
@@ -139,10 +135,6 @@
           "authorization",
           "token 69551e7bd735be9c59d3702a7885669979f0cdbc"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "accept",
           "application/vnd.github.v3+json"
diff --git a/src/tests/http-data/team_add_team_mixed_case b/src/tests/http-data/team_add_team_mixed_case
index 0adf6bf85c8..b2d7e4cb0dd 100644
--- a/src/tests/http-data/team_add_team_mixed_case
+++ b/src/tests/http-data/team_add_team_mixed_case
@@ -4,10 +4,6 @@
       "uri": "http://api.github.com/orgs/Crates-Test-Org/teams/Core",
       "method": "GET",
       "headers": [
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "authorization",
           "token 7534f8b996e3a3f800f0a324f619adba12a74532"
@@ -150,10 +146,6 @@
         [
           "accept-encoding",
           "gzip"
-        ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
         ]
       ],
       "body": ""
@@ -266,10 +258,6 @@
       "uri": "http://api.github.com/orgs/Crates-Test-Org",
       "method": "GET",
       "headers": [
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "accept",
           "application/vnd.github.v3+json"
diff --git a/src/tests/http-data/team_crates_by_team_id_not_including_deleted_owners b/src/tests/http-data/team_crates_by_team_id_not_including_deleted_owners
index 33d2c1e88f5..f0d353f1078 100644
--- a/src/tests/http-data/team_crates_by_team_id_not_including_deleted_owners
+++ b/src/tests/http-data/team_crates_by_team_id_not_including_deleted_owners
@@ -4,10 +4,6 @@
       "uri": "http://api.github.com/orgs/crates-test-org/teams/core",
       "method": "GET",
       "headers": [
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "accept-encoding",
           "gzip"
@@ -150,10 +146,6 @@
         [
           "accept-encoding",
           "gzip"
-        ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
         ]
       ],
       "body": ""
@@ -274,10 +266,6 @@
           "accept-encoding",
           "gzip"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "host",
           "api.github.com"
@@ -416,10 +404,6 @@
         [
           "accept-encoding",
           "gzip"
-        ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
         ]
       ],
       "body": ""
@@ -532,10 +516,6 @@
       "uri": "http://api.github.com/teams/1699377/memberships/crates-tester-2",
       "method": "GET",
       "headers": [
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "accept-encoding",
           "gzip"
@@ -667,10 +647,6 @@
           "authorization",
           "token 7534f8b996e3a3f800f0a324f619adba12a74532"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "accept-encoding",
           "gzip"
diff --git a/src/tests/http-data/team_nonexistent_team b/src/tests/http-data/team_nonexistent_team
index 2eb626f8227..cf7b2566fac 100644
--- a/src/tests/http-data/team_nonexistent_team
+++ b/src/tests/http-data/team_nonexistent_team
@@ -12,10 +12,6 @@
           "accept-encoding",
           "gzip"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "accept",
           "application/vnd.github.v3+json"
diff --git a/src/tests/http-data/team_publish_not_owned b/src/tests/http-data/team_publish_not_owned
index 1c79172e55d..9e98787ba52 100644
--- a/src/tests/http-data/team_publish_not_owned
+++ b/src/tests/http-data/team_publish_not_owned
@@ -16,10 +16,6 @@
           "accept",
           "application/vnd.github.v3+json"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "host",
           "api.github.com"
@@ -147,10 +143,6 @@
           "host",
           "api.github.com"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "accept-encoding",
           "gzip"
@@ -278,10 +270,6 @@
           "authorization",
           "token 7534f8b996e3a3f800f0a324f619adba12a74532"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "accept",
           "application/vnd.github.v3+json"
@@ -409,10 +397,6 @@
           "accept",
           "application/vnd.github.v3+json"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "host",
           "api.github.com"
diff --git a/src/tests/http-data/team_publish_owned b/src/tests/http-data/team_publish_owned
index 6f15b28e4f2..b24d8e8ca7d 100644
--- a/src/tests/http-data/team_publish_owned
+++ b/src/tests/http-data/team_publish_owned
@@ -16,10 +16,6 @@
           "accept-encoding",
           "gzip"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "accept",
           "application/vnd.github.v3+json"
@@ -143,10 +139,6 @@
           "host",
           "api.github.com"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "accept",
           "application/vnd.github.v3+json"
@@ -266,10 +258,6 @@
       "uri": "http://api.github.com/orgs/crates-test-org",
       "method": "GET",
       "headers": [
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "authorization",
           "token 7534f8b996e3a3f800f0a324f619adba12a74532"
@@ -409,10 +397,6 @@
           "accept",
           "application/vnd.github.v3+json"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "authorization",
           "token 69551e7bd735be9c59d3702a7885669979f0cdbc"
@@ -540,10 +524,6 @@
           "accept",
           "*/*"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "date",
           "Wed, 04 Oct 2017 12:43:50 -0400"
diff --git a/src/tests/http-data/team_remove_team_as_named_owner b/src/tests/http-data/team_remove_team_as_named_owner
index 7864a4cb5d8..6afa7f7d338 100644
--- a/src/tests/http-data/team_remove_team_as_named_owner
+++ b/src/tests/http-data/team_remove_team_as_named_owner
@@ -12,10 +12,6 @@
           "host",
           "api.github.com"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "accept-encoding",
           "gzip"
@@ -139,10 +135,6 @@
           "host",
           "api.github.com"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "accept-encoding",
           "gzip"
@@ -281,10 +273,6 @@
         [
           "host",
           "api.github.com"
-        ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
         ]
       ],
       "body": ""
@@ -409,10 +397,6 @@
           "host",
           "api.github.com"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "accept-encoding",
           "gzip"
@@ -540,10 +524,6 @@
           "accept-encoding",
           "gzip"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "authorization",
           "token 7534f8b996e3a3f800f0a324f619adba12a74532"
@@ -663,10 +643,6 @@
       "uri": "http://api.github.com/orgs/crates-test-org",
       "method": "GET",
       "headers": [
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "host",
           "api.github.com"
diff --git a/src/tests/http-data/team_remove_team_as_team_owner b/src/tests/http-data/team_remove_team_as_team_owner
index 684b7c9e759..7f12fe3332f 100644
--- a/src/tests/http-data/team_remove_team_as_team_owner
+++ b/src/tests/http-data/team_remove_team_as_team_owner
@@ -12,10 +12,6 @@
           "accept",
           "application/vnd.github.v3+json"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "authorization",
           "token 7534f8b996e3a3f800f0a324f619adba12a74532"
@@ -143,10 +139,6 @@
           "accept",
           "application/vnd.github.v3+json"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "accept-encoding",
           "gzip"
@@ -266,10 +258,6 @@
       "uri": "http://api.github.com/orgs/crates-test-org",
       "method": "GET",
       "headers": [
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "accept-encoding",
           "gzip"
@@ -405,10 +393,6 @@
           "accept",
           "application/vnd.github.v3+json"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "authorization",
           "token 69551e7bd735be9c59d3702a7885669979f0cdbc"
@@ -544,10 +528,6 @@
           "accept",
           "application/vnd.github.v3+json"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "authorization",
           "token 69551e7bd735be9c59d3702a7885669979f0cdbc"
@@ -683,10 +663,6 @@
           "content-length",
           "35"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "accept-encoding",
           "gzip"
diff --git a/src/tests/http-data/version_version_size b/src/tests/http-data/version_version_size
index 74bcfb978bd..576fec7208d 100644
--- a/src/tests/http-data/version_version_size
+++ b/src/tests/http-data/version_version_size
@@ -24,10 +24,6 @@
           "host",
           "alexcrichton-test.s3.amazonaws.com"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "accept-encoding",
           "gzip"
@@ -99,10 +95,6 @@
           "content-type",
           "application/x-tar"
         ],
-        [
-          "user-agent",
-          "reqwest/0.9.1"
-        ],
         [
           "host",
           "alexcrichton-test.s3.amazonaws.com"
diff --git a/src/tests/record.rs b/src/tests/record.rs
index 79160d180cf..99eca5fd250 100644
--- a/src/tests/record.rs
+++ b/src/tests/record.rs
@@ -5,15 +5,20 @@ use std::{
     collections::HashSet,
     fs::{self, File},
     io::{self, prelude::*},
-    net,
     path::PathBuf,
+    pin::Pin,
     str,
-    sync::{Arc, Mutex, Once},
+    sync::{mpsc, Arc, Mutex, Once},
+    task::{Context, Poll},
     thread,
 };
 
-use futures::{future, sync::oneshot, Future, Stream};
-use tokio_core::{net::TcpListener, reactor::Core};
+use futures::{channel::oneshot, future, prelude::*};
+use hyper::{body::to_bytes, Body, Error, Request, Response, Server, StatusCode, Uri};
+use tokio::{
+    net::{TcpListener, TcpStream},
+    runtime,
+};
 
 // A "bomb" so when the test task exists we know when to shut down
 // the server and fail if the subtask failed.
@@ -81,8 +86,7 @@ pub fn proxy() -> (String, Bomb) {
     let me = thread::current().name().unwrap().to_string();
     let record = dotenv::var("RECORD").is_ok();
 
-    let a = t!(net::TcpListener::bind("127.0.0.1:0"));
-    let ret = format!("http://{}", t!(a.local_addr()));
+    let (url_tx, url_rx) = mpsc::channel();
 
     let data = cache_file(&me.replace("::", "_"));
     let record = if record && !data.exists() {
@@ -101,26 +105,34 @@ pub fn proxy() -> (String, Bomb) {
     let (quittx, quitrx) = oneshot::channel();
 
     let thread = thread::spawn(move || {
-        let mut core = t!(Core::new());
-        let handle = core.handle();
-        let addr = t!(a.local_addr());
-        let listener = t!(TcpListener::from_listener(a, &addr, &handle));
+        let mut rt = t!(runtime::Builder::new()
+            .basic_scheduler()
+            .enable_io()
+            .build());
+
         let client = if let Record::Capture(_, _) = record {
-            Some(hyper::Client::builder().build(hyper_tls::HttpsConnector::new(4).unwrap()))
+            Some(hyper::Client::builder().build(hyper_tls::HttpsConnector::new()))
         } else {
             None
         };
 
+        let mut listener = t!(rt.block_on(TcpListener::bind("127.0.0.1:0")));
+        url_tx
+            .send(format!("http://{}", t!(listener.local_addr())))
+            .unwrap();
+
         let record = Arc::new(Mutex::new(record));
-        let srv = hyper::Server::builder(listener.incoming().map(|(l, _)| l))
+        let srv = Server::builder(hyper::server::accept::from_stream(listener.incoming()))
             .serve(Proxy {
                 sink: sink2,
                 record: Arc::clone(&record),
                 client,
             })
-            .map_err(|e| eprintln!("server connection error: {}", e));
+            .with_graceful_shutdown(async {
+                quitrx.await.ok();
+            });
 
-        drop(core.run(srv.select2(quitrx)));
+        rt.block_on(srv).ok();
 
         let record = record.lock().unwrap();
         match *record {
@@ -133,7 +145,7 @@ pub fn proxy() -> (String, Bomb) {
     });
 
     (
-        ret,
+        url_rx.recv().unwrap(),
         Bomb {
             iorx: Sink(sink),
             quittx: Some(quittx),
@@ -149,52 +161,57 @@ struct Proxy {
     client: Option<Client>,
 }
 
-impl hyper::service::Service for Proxy {
-    type ReqBody = hyper::Body;
-    type ResBody = hyper::Body;
-    type Error = hyper::Error;
-    type Future =
-        Box<dyn Future<Item = hyper::Response<Self::ResBody>, Error = Self::Error> + Send>;
+impl tower_service::Service<Request<Body>> for Proxy {
+    type Response = Response<Body>;
+    type Error = Error;
+    type Future = Pin<Box<dyn Future<Output = Result<Response<Body>, Error>> + Send>>;
 
-    fn call(&mut self, req: hyper::Request<Self::ReqBody>) -> Self::Future {
-        let record2 = self.record.clone();
+    fn poll_ready(&mut self, _: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
+        Poll::Ready(Ok(()))
+    }
+
+    fn call(&mut self, req: Request<Body>) -> Self::Future {
         match *self.record.lock().unwrap() {
-            Record::Capture(_, _) => Box::new(record_http(req, self.client.as_ref().unwrap()).map(
-                move |(response, exchange)| {
+            Record::Capture(_, _) => {
+                let client = self.client.as_ref().unwrap().clone();
+                let record2 = self.record.clone();
+                Box::pin(async move {
+                    let (response, exchange) = record_http(req, client).await?;
                     if let Record::Capture(ref mut d, _) = *record2.lock().unwrap() {
                         d.push(exchange);
                     }
-                    response
-                },
-            )),
+                    Ok(response)
+                })
+            }
             Record::Replay(ref mut exchanges) => {
-                replay_http(req, exchanges.remove(0), &mut &self.sink)
+                Box::pin(replay_http(req, exchanges.remove(0), &mut &self.sink))
             }
         }
     }
 }
 
-impl hyper::service::NewService for Proxy {
-    type ReqBody = hyper::Body;
-    type ResBody = hyper::Body;
-    type Error = hyper::Error;
-    type Service = Proxy;
-    type Future = Box<dyn Future<Item = Self::Service, Error = Self::InitError> + Send>;
-    type InitError = hyper::Error;
+impl<'a> tower_service::Service<&'a TcpStream> for Proxy {
+    type Response = Proxy;
+    type Error = Error;
+    type Future = Pin<Box<dyn Future<Output = Result<Proxy, Error>> + Send + 'static>>;
 
-    fn new_service(&self) -> Self::Future {
-        Box::new(future::ok(self.clone()))
+    fn poll_ready(&mut self, _: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
+        Poll::Ready(Ok(()))
+    }
+
+    fn call(&mut self, _: &'a TcpStream) -> Self::Future {
+        Box::pin(future::ok(self.clone()))
     }
 }
 
 #[derive(Serialize, Deserialize)]
 struct Exchange {
-    request: Request,
-    response: Response,
+    request: RecordedRequest,
+    response: RecordedResponse,
 }
 
 #[derive(Serialize, Deserialize)]
-struct Request {
+struct RecordedRequest {
     uri: String,
     method: String,
     headers: HashSet<(String, String)>,
@@ -202,77 +219,76 @@ struct Request {
 }
 
 #[derive(Serialize, Deserialize)]
-struct Response {
+struct RecordedResponse {
     status: u16,
     headers: HashSet<(String, String)>,
     body: String,
 }
 
 type Client = hyper::Client<hyper_tls::HttpsConnector<hyper::client::HttpConnector>>;
+type ResponseAndExchange = (Response<Body>, Exchange);
 
-fn record_http(
-    req: hyper::Request<hyper::Body>,
-    client: &Client,
-) -> Box<dyn Future<Item = (hyper::Response<hyper::Body>, Exchange), Error = hyper::Error> + Send> {
+async fn record_http(req: Request<Body>, client: Client) -> Result<ResponseAndExchange, Error> {
+    // Deconstruct the incoming request and await for the full body
     let (header_parts, body) = req.into_parts();
     let method = header_parts.method;
     let uri = header_parts.uri;
     let headers = header_parts.headers;
+    let body = to_bytes(body).await?;
 
-    let mut request = Request {
+    // Save info on the incoming request for the exchange log
+    let request = RecordedRequest {
         uri: uri.to_string(),
         method: method.to_string(),
         headers: headers
             .iter()
             .map(|h| (h.0.as_str().to_string(), h.1.to_str().unwrap().to_string()))
             .collect(),
-        body: String::new(),
+        body: base64::encode(&body.to_vec()),
     };
-    let body = body.concat2();
-
-    let client = client.clone();
-    let response = body.and_then(move |body| {
-        request.body = base64::encode(&body.to_vec());
-        let uri = uri.to_string().replace("http://", "https://");
-        let uri = uri.parse::<hyper::Uri>().unwrap();
-        let mut req = hyper::Request::builder()
-            .method(method.clone())
-            .uri(uri)
-            .body(body.into())
-            .unwrap();
-        *req.headers_mut() = headers.clone();
-        client.request(req).map(|r| (r, request))
-    });
 
-    Box::new(response.and_then(|(hyper_response, request)| {
-        let status = hyper_response.status();
-        let headers = hyper_response.headers().clone();
-        let mut response = Response {
-            status: status.as_u16(),
-            headers: headers
-                .iter()
-                .map(|h| (h.0.as_str().to_string(), h.1.to_str().unwrap().to_string()))
-                .collect(),
-            body: String::new(),
-        };
+    // Construct an outgoing request
+    let uri = uri.to_string().replace("http://", "https://");
+    let uri = uri.parse::<Uri>().unwrap();
+    let mut req = Request::builder()
+        .method(method.clone())
+        .uri(uri)
+        .body(body.into())
+        .unwrap();
+    *req.headers_mut() = headers.clone();
+
+    // Deconstruct the incoming response and await for the full body
+    let hyper_response = client.request(req).await?;
+    let status = hyper_response.status();
+    let headers = hyper_response.headers().clone();
+    let body = to_bytes(hyper_response.into_body()).await?;
+
+    // Save the response for the exchange log
+    let response = RecordedResponse {
+        status: status.as_u16(),
+        headers: headers
+            .iter()
+            .map(|h| (h.0.as_str().to_string(), h.1.to_str().unwrap().to_string()))
+            .collect(),
+        body: base64::encode(&body.to_vec()),
+    };
 
-        hyper_response.into_body().concat2().map(move |body| {
-            response.body = base64::encode(&body.to_vec());
-            let mut hyper_response = hyper::Response::builder();
-            hyper_response.status(status);
-            let mut hyper_response = hyper_response.body(body.into()).unwrap();
-            *hyper_response.headers_mut() = headers;
-            (hyper_response, Exchange { response, request })
-        })
-    }))
+    // Construct an outgoing response
+    let mut hyper_response = Response::builder()
+        .status(status)
+        .body(body.into())
+        .unwrap();
+    *hyper_response.headers_mut() = headers;
+
+    Ok((hyper_response, Exchange { response, request }))
 }
 
 fn replay_http(
-    req: hyper::Request<hyper::Body>,
+    req: Request<Body>,
     mut exchange: Exchange,
     stdout: &mut dyn Write,
-) -> Box<dyn Future<Item = hyper::Response<hyper::Body>, Error = hyper::Error> + Send> {
-    static IGNORED_HEADERS: &[&str] = &["authorization", "date", "user-agent", "cache-control"];
+) -> impl Future<Output = Result<Response<Body>, Error>> + Send {
+    static IGNORED_HEADERS: &[&str] = &["authorization", "date", "cache-control"];
 
     assert_eq!(req.uri().to_string(), exchange.request.uri);
     assert_eq!(req.method().to_string(), exchange.request.method);
@@ -287,6 +303,10 @@ fn replay_http(
             value.to_str().unwrap().to_string(),
         );
         t!(writeln!(stdout, "received: {:?}", pair));
+        if name == "user-agent" {
+            assert_eq!(value, "crates.io (https://crates.io)");
+            continue;
+        }
         if IGNORED_HEADERS.contains(&name.as_str()) {
             continue;
         }
@@ -300,21 +320,23 @@ fn replay_http(
         }
         panic!("didn't find header {:?}", (name, value));
     }
-    let req_body = exchange.request.body;
-    let verify_body = req.into_body().concat2().map(move |body| {
-        let req_body = base64::decode(&req_body).unwrap();
-        assert_eq!(body.into_bytes(), req_body);
-    });
 
-    let mut response = hyper::Response::builder();
-    response.status(hyper::StatusCode::from_u16(exchange.response.status).unwrap());
-    for (key, value) in exchange.response.headers {
-        response.header(key.as_str(), value.as_str());
-    }
-    let req_body2 = base64::decode(exchange.response.body.as_bytes()).unwrap();
-    let response = response.body(req_body2.into()).unwrap();
+    async {
+        assert_eq!(
+            to_bytes(req.into_body()).await.unwrap(),
+            base64::decode(&exchange.request.body).unwrap()
+        );
 
-    Box::new(verify_body.map(|()| response))
+        let mut builder = Response::builder();
+        for (key, value) in exchange.response.headers {
+            builder = builder.header(key.as_str(), value.as_str());
+        }
+        let body = base64::decode(exchange.response.body.as_bytes()).unwrap();
+        let status = StatusCode::from_u16(exchange.response.status).unwrap();
+        let response = builder.status(status).body(body.into()).unwrap();
+
+        Ok(response)
+    }
 }
 
 impl GhUser {
@@ -351,7 +373,7 @@ impl GhUser {
             client_id: String,
             client_secret: String,
         }
-        let client = reqwest::Client::new();
+        let client = reqwest::blocking::Client::new();
         let req = client
             .post("https://api.github.com/authorizations")
             .json(&Authorization {
@@ -362,7 +384,9 @@ impl GhUser {
             })
             .basic_auth(self.login, Some(password));
 
-        let mut response = t!(req.send().and_then(reqwest::Response::error_for_status));
+        let response = t!(req
+            .send()
+            .and_then(reqwest::blocking::Response::error_for_status));
 
         #[derive(Deserialize)]
         struct Response {
diff --git a/src/uploaders.rs b/src/uploaders.rs
index 5194071a33d..682029505db 100644
--- a/src/uploaders.rs
+++ b/src/uploaders.rs
@@ -2,7 +2,7 @@ use conduit::Request;
 use flate2::read::GzDecoder;
 use openssl::error::ErrorStack;
 use openssl::hash::{Hasher, MessageDigest};
-use reqwest::header;
+use reqwest::{blocking::Client, header};
 
 use crate::util::errors::{cargo_err, internal, AppResult, ChainError};
 use crate::util::{Error, LimitErrorReader, Maximums};
@@ -96,7 +96,7 @@ impl Uploader {
     /// Production and tests use `Self::S3` which should not panic.
     pub fn upload<R: std::io::Read + Send + 'static>(
         &self,
-        client: &reqwest::Client,
+        client: &Client,
         path: &str,
         mut content: R,
         content_length: u64,
@@ -161,7 +161,7 @@ impl Uploader {
 
     pub(crate) fn upload_readme(
         &self,
-        http_client: &reqwest::Client,
+        http_client: &Client,
         crate_name: &str,
         vers: &str,
         readme: String,