message: Add a comment in `.github/workflows/ci.yml`
diff: @@ -74,6 +74,7 @@ jobs:
  else
  RUSTC_HASH=$(< rust-version)
  fi
  + # We need a nightly cargo for parts of the cargo miri test suite.
  rustup-toolchain-install-master \
  -f \
  -n master "$RUSTC_HASH" \
  