prost 0.12.4

A Protocol Buffers implementation for the Rust Language.
Documentation 
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name: CI

on:
  push:
    branches: [ "master" ]
  pull_request:
  merge_group:
    branches: [ "master" ]


env:
  PROTOC_VERSION: 3.20.3

jobs:

  rustfmt:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
        with:
          components: rustfmt
      - run: cargo fmt --all --check

  machete:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
      - uses: taiki-e/install-action@cargo-machete
      - name: Check unused dependencies
        run: cargo machete

  test:
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        toolchain:
          - stable
          - "1.70"
        os:
          - ubuntu-latest
          - macos-latest
          - windows-latest
    steps:
      - uses: actions/checkout@v4
      - name: install toolchain (${{ matrix.toolchain }})
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ matrix.toolchain }}
      - name: install protoc
        uses: taiki-e/install-action@v2
        with:
          tool: protoc@${{ env.PROTOC_VERSION }}
      - name: install ninja
        uses: ./.github/actions/setup-ninja
      - uses: Swatinem/rust-cache@v2
      - name: test
        run: cargo test --workspace --all-targets
      - name: test no-default-features
        run: cargo test -p prost-build -p prost-derive -p prost-types --all-targets --no-default-features
      # Run doc tests separately: https://github.com/rust-lang/cargo/issues/6669
      - name: test doc
        run: cargo test --workspace --doc
      - name: test doc no-default-features
        run: cargo test -p prost-build -p prost-derive -p prost-types --doc --no-default-features

  minimal-versions:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@nightly
      - uses: dtolnay/rust-toolchain@stable
      - uses: taiki-e/install-action@cargo-hack
      - uses: taiki-e/install-action@cargo-minimal-versions
      - run: cargo minimal-versions --no-private check --workspace --all-features

  kani:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Verify with Kani
        uses: model-checking/kani-github-action@v0.32
        with:
          enable-propproof: true
          args: |
            --tests -p prost-types --default-unwind 3 \
            --harness "tests::check_timestamp_roundtrip_via_system_time" \
            --harness "tests::check_duration_roundtrip" \
            --harness "tests::check_duration_roundtrip_nanos"
        # --default-unwind N roughly corresponds to how much effort
        # Kani will spend trying to prove correctness of the
        # program. Higher the number, more programs can be proven
        # correct. However, Kani will require more time and memory. If
        # Kani fails with "Failed Checks: unwinding assertion," this
        # number may need to be raised for Kani to succeed.

  no-std:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@nightly
      - name: install protoc
        uses: taiki-e/install-action@v2
        with:
          tool: protoc@${{ env.PROTOC_VERSION }}
      - uses: Swatinem/rust-cache@v2
      - name: install cargo-no-std-check
        uses: baptiste0928/cargo-install@v2
        with:
          crate: cargo-no-std-check
      - name: prost cargo-no-std-check
        run: cargo no-std-check --manifest-path Cargo.toml --no-default-features
      - name: prost-types cargo-no-std-check
        run: cargo no-std-check --manifest-path prost-types/Cargo.toml --no-default-features
      # prost-build depends on prost with --no-default-features, but when
      # prost-build is built through the workspace, prost typically has default
      # features enabled due to vagaries in Cargo workspace feature resolution.
      # This additional check ensures that prost-build does not rely on any of
      # prost's default features to compile.
      - name: prost-build check
        run: cargo check --manifest-path prost-build/Cargo.toml