message: Update the stable toolchain, because GitHub Actions has not fully updated to Rust 1.59 yet.
diff: @@ -40,9 +40,15 @@ jobs:
  # using the RUSTFLAGS environment variable because if we set RUSTFLAGS
  # cargo will ignore the rustflags config in .cargo/config, breaking
  # relocation.
  + #
  + # TODO: Remove the "rustup toolchain update stable" once the 20220227.1
  + # version of the Ubuntu 20.04 virtual environment is fully rolled out.
  + # The rollout status can be found here:
  + # https://github.com/actions/virtual-environments
  - name: Build and Test
  run: |
  sudo apt-get install ninja-build
  + rustup toolchain update stable
  cd "${GITHUB_WORKSPACE}"
  echo "[target.'cfg(all())']" >> .cargo/config
  echo 'rustflags = ["-D", "warnings"]' >> .cargo/config
  