message: Use a specific version of nightly
diff: @@ -11,7 +11,7 @@ jobs:
  - name: Install Rust nightly
  uses: actions-rs/toolchain@v1
  with:
  - toolchain: nightly
  + toolchain: nightly-2019-12-19
  override: true
  components: rustfmt, clippy
  - run: cargo fmt --all -- --check
  @@ -26,13 +26,13 @@ jobs:
  include:
  - build: linux
  os: ubuntu-latest
  - rust: nightly
  + rust: nightly-2019-12-19
  - build: macos
  os: macos-latest
  - rust: nightly
  + rust: nightly-2019-12-19
  - build: windows
  os: windows-latest
  - rust: nightly
  + rust: nightly-2019-12-19
  steps:
  - uses: actions/checkout@v2
  - name: Install Rust ${{ matrix.rust }}
  