Rustup to rustc 1.53.0-nightly (6df26f8 2021-04-20)

bjorn3 · bjorn3 · commit cdc0aa188e72 · 2021-04-21T15:32:04.000+02:00
diff --git a/rust-toolchain b/rust-toolchain
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "nightly-2021-04-14"
+channel = "nightly-2021-04-21"
 components = ["rust-src", "rustc-dev", "llvm-tools-preview"]
