diff --git a/src/bootstrap/src/core/build_steps/dist.rs b/src/bootstrap/src/core/build_steps/dist.rs
index c022285211fab..968d9befed0b3 100644
--- a/src/bootstrap/src/core/build_steps/dist.rs
+++ b/src/bootstrap/src/core/build_steps/dist.rs
@@ -1870,7 +1870,7 @@ impl Step for Extended {
                     .arg("-out")
                     .arg(&output)
                     .arg(input);
-                add_env(builder, &mut cmd, target);
+                add_env(builder, &mut cmd, target, &built_tools);
 
                 if built_tools.contains("clippy") {
                     cmd.arg("-dClippyDir=clippy");
@@ -1974,7 +1974,14 @@ impl Step for Extended {
     }
 }
 
-fn add_env(builder: &Builder<'_>, cmd: &mut BootstrapCommand, target: TargetSelection) {
+fn add_env(
+    builder: &Builder<'_>,
+    cmd: &mut BootstrapCommand,
+    target: TargetSelection,
+    built_tools: &HashSet<&'static str>,
+) {
+    // envs for wix should be always defined, even if not used
+    // FIXME: is they affect ccache?
     let mut parts = builder.version.split('.');
     cmd.env("CFG_RELEASE_INFO", builder.rust_version())
         .env("CFG_RELEASE_NUM", &builder.version)
@@ -1995,6 +2002,27 @@ fn add_env(builder: &Builder<'_>, cmd: &mut BootstrapCommand, target: TargetSele
     } else {
         cmd.env("CFG_MINGW", "0").env("CFG_ABI", "MSVC");
     }
+
+    if built_tools.contains("rustfmt") {
+        cmd.env("CFG_RUSTFMT", "1");
+    } else {
+        cmd.env("CFG_RUSTFMT", "0");
+    }
+    if built_tools.contains("clippy") {
+        cmd.env("CFG_CLIPPY", "1");
+    } else {
+        cmd.env("CFG_CLIPPY", "0");
+    }
+    if built_tools.contains("miri") {
+        cmd.env("CFG_MIRI", "1");
+    } else {
+        cmd.env("CFG_MIRI", "0");
+    }
+    if built_tools.contains("rust-analyzer") {
+        cmd.env("CFG_RA", "1");
+    } else {
+        cmd.env("CFG_RA", "0");
+    }
 }
 
 fn install_llvm_file(
diff --git a/src/ci/run.sh b/src/ci/run.sh
index 5690d8edea6a2..ec899ca6a3482 100755
--- a/src/ci/run.sh
+++ b/src/ci/run.sh
@@ -279,5 +279,6 @@ if [ "$RUN_CHECK_WITH_PARALLEL_QUERIES" != "" ]; then
 fi
 
 echo "::group::sccache stats"
+sccache --version || true
 sccache --show-stats || true
 echo "::endgroup::"
diff --git a/src/ci/scripts/install-sccache.sh b/src/ci/scripts/install-sccache.sh
index e143152f330cf..a507dddb51033 100755
--- a/src/ci/scripts/install-sccache.sh
+++ b/src/ci/scripts/install-sccache.sh
@@ -12,7 +12,9 @@ if isMacOS; then
     chmod +x /usr/local/bin/sccache
 elif isWindows; then
     mkdir -p sccache
-    curl -fo sccache/sccache.exe "${MIRRORS_BASE}/2018-04-26-sccache-x86_64-pc-windows-msvc"
+    curl -fLo sccache.tar.gz "https://github.com/mozilla/sccache/releases/download/v0.7.7/sccache-v0.7.7-x86_64-pc-windows-msvc.tar.gz"
+    tar zxvf sccache.tar.gz --wildcards --no-anchored 'sccache.exe' --strip-components=1
+    mv sccache.exe sccache
     ciCommandAddPath "$(pwd)/sccache"
 fi
 
diff --git a/src/etc/installer/msi/rust.wxs b/src/etc/installer/msi/rust.wxs
index 2d155bf0b1019..64cceccc97582 100644
--- a/src/etc/installer/msi/rust.wxs
+++ b/src/etc/installer/msi/rust.wxs
@@ -172,11 +172,19 @@
                     <!-- tool-rust-docs-end -->
                     <Directory Id="Cargo" Name="." />
                     <Directory Id="Std" Name="." />
-                    <Directory Id="RustFmt" Name="." />
-                    <Directory Id="RustAnalyzer" Name="." />
-                    <Directory Id="Miri" Name="." />
+                    <?if $(env.CFG_RUSTFMT)="1" ?>
+                        <Directory Id="RustFmt" Name="." />
+                    <?endif?>
+                    <?if $(env.CFG_RA)="1" ?>
+                        <Directory Id="RustAnalyzer" Name="." />
+                    <?endif?>
+                    <?if $(env.CFG_MIRI)="1" ?>
+                        <Directory Id="Miri" Name="." />
+                    <?endif?>
                     <Directory Id="Analysis" Name="." />
-                    <Directory Id="Clippy" Name="." />
+                    <?if $(env.CFG_CLIPPY)="1" ?>
+                        <Directory Id="Clippy" Name="." />
+                    <?endif?>
                 </Directory>
             </Directory>
 
@@ -284,34 +292,42 @@
                  <ComponentRef Id="PathEnvPerMachine" />
                  <ComponentRef Id="PathEnvPerUser" />
         </Feature>
-        <Feature Id="RustFmt"
-                 Title="Formatter for rust"
-                 Display="7"
-                 Level="1"
-                 AllowAdvertise="no">
-                 <ComponentGroupRef Id="RustFmtGroup" />
-        </Feature>
-        <Feature Id="Clippy"
-                 Title="Formatter and checker for rust"
-                 Display="8"
-                 Level="1"
-                 AllowAdvertise="no">
-                 <ComponentGroupRef Id="ClippyGroup" />
-        </Feature>
-        <Feature Id="Miri"
-                 Title="Soundness checker for rust"
-                 Display="9"
-                 Level="1"
-                 AllowAdvertise="no">
-                 <ComponentGroupRef Id="MiriGroup" />
-        </Feature>
-        <Feature Id="RustAnalyzer"
-                 Title="Analyzer for rust"
-                 Display="10"
-                 Level="1"
-                 AllowAdvertise="no">
-                 <ComponentGroupRef Id="RustAnalyzerGroup" />
-        </Feature>
+        <?if $(env.CFG_RUSTFMT)="1" ?>
+            <Feature Id="RustFmt"
+                     Title="Formatter for rust"
+                     Display="7"
+                     Level="1"
+                     AllowAdvertise="no">
+                     <ComponentGroupRef Id="RustFmtGroup" />
+            </Feature>
+        <?endif?>
+        <?if $(env.CFG_CLIPPY)="1" ?>
+            <Feature Id="Clippy"
+                     Title="Formatter and checker for rust"
+                     Display="8"
+                     Level="1"
+                     AllowAdvertise="no">
+                     <ComponentGroupRef Id="ClippyGroup" />
+            </Feature>
+        <?endif?>
+        <?if $(env.CFG_MIRI)="1" ?>
+            <Feature Id="Miri"
+                     Title="Soundness checker for rust"
+                     Display="9"
+                     Level="1"
+                     AllowAdvertise="no">
+                     <ComponentGroupRef Id="MiriGroup" />
+            </Feature>
+        <?endif?>
+        <?if $(env.CFG_RA)="1" ?>
+            <Feature Id="RustAnalyzer"
+                     Title="Analyzer for rust"
+                     Display="10"
+                     Level="1"
+                     AllowAdvertise="no">
+                     <ComponentGroupRef Id="RustAnalyzerGroup" />
+            </Feature>
+        <?endif?>
         <Feature Id="Analysis"
                  Title="Analysis for rust"
                  Display="11"