message: Spellchecking compiler code
  Address some spelling mistakes in strings, private function names, and function params.
diff: @@ -11,7 +11,7 @@ case $1 in
  sed -i "s/\"nightly-.*\"/\"nightly-${TOOLCHAIN}\"/" rust-toolchain
  rustup component add rustfmt || true
  - echo "=> Uninstalling all old nighlies"
  + echo "=> Uninstalling all old nightlies"
  for nightly in $(rustup toolchain list | grep nightly | grep -v "$TOOLCHAIN" | grep -v nightly-x86_64); do
  rustup toolchain uninstall "$nightly"
  done
  