using the latest rust toolchain

stlankes · stlankes · commit 6044e90bf7ba · 2021-02-15T13:53:06.000+01:00
diff --git a/rust-toolchain b/rust-toolchain
@@ -1,4 +1,4 @@
 [toolchain]
-channel = "nightly-2021-01-22"
+channel = "nightly-2021-02-11"
 components = [ "rustfmt", "rust-src", "llvm-tools-preview"]
 targets = [ "x86_64-unknown-hermit" ]
