name: Ruston:  push:    branches: [ master ]  pull_request:    branches: [ master ]env:  CARGO_TERM_COLOR: alwaysjobs:   build:    runs-on: ubuntu-latest    steps:    - uses: actions/checkout@v2    - name: Build      run: cargo build --verbose    - name: Run tests      run: cargo test --verbose    - name: Run tests for serde feature      run: cargo test --features serde --verbose        miri:    name: "Miri"    runs-on: ubuntu-latest    steps:      - uses: actions/checkout@v2      - name: Install Miri        run: |          rustup toolchain install nightly --component miri          rustup override set nightly          cargo miri setup      - name: Test with Miri        run: MIRIFLAGS=-Zmiri-strict-provenance cargo miri test      - name: Run tests for serde feature        run: MIRIFLAGS=-Zmiri-strict-provenance cargo miri test --features serde    fmt:    runs-on: ubuntu-latest    steps:      - uses: actions/checkout@v2      - uses: actions-rs/toolchain@v1        with:          toolchain: stable          profile: minimal          components: rustfmt          override: true      - uses: actions-rs/cargo@v1        with:          command: fmt          args: --all -- --check                      clippy:    runs-on: ubuntu-latest    steps:      - uses: actions/checkout@v2      - uses: actions-rs/toolchain@v1        with:            toolchain: stable            profile: minimal            components: clippy            override: true      - uses: actions-rs/clippy-check@v1        env:          PWD: ${{ env.GITHUB_WORKSPACE }}        with:          token: ${{ secrets.GITHUB_TOKEN }}          args: --workspace --tests --examples                      docs:    runs-on: ubuntu-latest    env:      RUSTDOCFLAGS: -Dwarnings    steps:      - uses: actions/checkout@v2      - uses: actions-rs/toolchain@v1        with:          toolchain: stable          profile: minimal          components: rust-docs          override: true      - uses: swatinem/rust-cache@v1      - uses: actions-rs/cargo@v1        with:          command: doc          args: --workspace --no-deps