cargo-mutants 0.2.3

Find inadequately-tested code that can be removed without any tests failing.
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name: Tests

on:
  push:
  pull_request:

# see https://matklad.github.io/2021/09/04/fast-rust-builds.html
env:
  CARGO_TERM_COLOR: always
  CARGO_INCREMENTAL: 0
  CARGO_NET_RETRY: 10
  CI: 1
  RUST_BACKTRACE: short
  RUSTFLAGS: "-W rust-2021-compatibility"
  RUSTUP_MAX_RETRIES: 10

jobs:
  build:
    strategy:
      matrix:
        os: [macOS-latest, ubuntu-latest, windows-latest]

    runs-on: ${{ matrix.os }}

    steps:
    - uses: actions/checkout@v2
    - name: Show Cargo and rustc version
      run: |
        cargo --version
        rustc --version
    - name: Cache Cargo
      uses: actions/cache@v2
      with:
        path: |
          ~/.cargo/registry
          ~/.cargo/git
          target
        key: cargo-${{ runner.os }}-${{ hashFiles('Cargo.lock') }}
        restore-keys: |
          cargo-${{ runner.os }}-
    - name: Build
      run: cargo build --all-targets
    - name: Test
      run: cargo test --workspace
    - name: Install
      run: cargo install --path .