Merge #271

271: Upgrade nightly version of hermit to nightly-2021-08-31 r=stlankes a=mkroening

Closes #269, #265.

Co-authored-by: Martin Kröning <[email protected]>

Author: bors[bot]

rust-toolchain.toml

@@ -1,5 +1,5 @@
 [toolchain]
-channel = "nightly-2021-05-19"
+channel = "nightly-2021-08-31"
 components = [
     "rust-src",
     "llvm-tools-preview",