Implement FromBytes::{mut,ref}_from_with_trailing_elements
#3705
Workflow file for this run
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| # Copyright 2022 The Fuchsia Authors | |
| # | |
| # Licensed under a BSD-style license <LICENSE-BSD>, Apache License, Version 2.0 | |
| # <LICENSE-APACHE or https://www.apache.org/licenses/LICENSE-2.0>, or the MIT | |
| # license <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your option. | |
| # This file may not be copied, modified, or distributed except according to | |
| # those terms. | |
| name: Build & Tests | |
| on: | |
| pull_request: | |
| push: | |
| branches: | |
| - main | |
| - v0.6.x | |
| merge_group: | |
| permissions: read-all | |
| env: | |
| CARGO_TERM_COLOR: always | |
| RUSTFLAGS: -Dwarnings | |
| RUSTDOCFLAGS: -Dwarnings | |
| # `ZC_NIGHTLY_XXX` are flags that we add to `XXX` only on the nightly | |
| # toolchain. | |
| ZC_NIGHTLY_RUSTFLAGS: -Zrandomize-layout | |
| ZC_NIGHTLY_MIRIFLAGS: "-Zmiri-strict-provenance -Zmiri-backtrace=full" | |
| jobs: | |
| build_test: | |
| runs-on: ubuntu-latest | |
| # Generate and populate the global Cargo registry and cache first. Each | |
| # job in the matrix runs in parallel, so without populating the cache | |
| # first, most jobs would duplicate the work of downloading crates from | |
| # the internet. Populating the cache first ensures that this work only | |
| # happens once. | |
| needs: generate_cache | |
| strategy: | |
| # By default, this is set to `true`, which means that a single CI job | |
| # failure will cause all outstanding jobs to be canceled. This slows down | |
| # development because it means that errors need to be encountered and | |
| # fixed one at a time. | |
| fail-fast: false | |
| matrix: | |
| # See `INTERNAL.md` for an explanation of these pinned toolchain | |
| # versions. | |
| toolchain: [ "msrv", "stable", "nightly", "zerocopy-generic-bounds-in-const-fn", "zerocopy-aarch64-simd", "zerocopy-panic-in-const", ] | |
| target: [ | |
| "i686-unknown-linux-gnu", | |
| "x86_64-unknown-linux-gnu", | |
| "arm-unknown-linux-gnueabi", | |
| "aarch64-unknown-linux-gnu", | |
| "powerpc-unknown-linux-gnu", | |
| "powerpc64-unknown-linux-gnu", | |
| "riscv64gc-unknown-linux-gnu", | |
| "s390x-unknown-linux-gnu", | |
| "wasm32-wasi" | |
| ] | |
| features: [ "--no-default-features", "", "--features __internal_use_only_features_that_work_on_stable", "--all-features" ] | |
| crate: [ "zerocopy", "zerocopy-derive" ] | |
| exclude: | |
| # Exclude any combination which uses a non-nightly toolchain but | |
| # enables nightly features. | |
| - toolchain: "msrv" | |
| features: "--all-features" | |
| - toolchain: "stable" | |
| features: "--all-features" | |
| - toolchain: "zerocopy-generic-bounds-in-const-fn" | |
| features: "--all-features" | |
| - toolchain: "zerocopy-aarch64-simd" | |
| features: "--all-features" | |
| - toolchain: "zerocopy-panic-in-const" | |
| features: "--all-features" | |
| # Exclude any combination for the zerocopy-derive crate which | |
| # uses zerocopy features. | |
| - crate: "zerocopy-derive" | |
| features: "--no-default-features" | |
| - crate: "zerocopy-derive" | |
| features: "--features __internal_use_only_features_that_work_on_stable" | |
| - crate: "zerocopy-derive" | |
| features: "--all-features" | |
| # Exclue any combination of zerocopy-derive and any toolchain version | |
| # other than "msrv", "stable", and "nightly". These other versions | |
| # exist to exercise zerocopy behavior which differs by toolchain; | |
| # zerocopy-derive doesn't behave different on these toolchains. | |
| - crate: "zerocopy-derive" | |
| toolchain: "zerocopy-generic-bounds-in-const-fn" | |
| - crate: "zerocopy-derive" | |
| toolchain: "zerocopy-aarch64-simd" | |
| - crate: "zerocopy-derive" | |
| toolchain: "zerocopy-panic-in-const" | |
| name: Build & Test (crate:${{ matrix.crate }}, toolchain:${{ matrix.toolchain }}, target:${{ matrix.target }}, features:${{ matrix.features }}) | |
| steps: | |
| - uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b # v4.1.5 | |
| - name: Populate cache | |
| uses: ./.github/actions/cache | |
| - name: Configure environment variables | |
| run: | | |
| set -eo pipefail | |
| # We use toolchain descriptors ("msrv", "stable", "nightly", and values | |
| # from the "metadata.build-rs" key in Cargo.toml) in the matrix. This | |
| # step converts the current descriptor to a particular toolchain version | |
| # by looking up the corresponding key in `Cargo.toml`. It sets the | |
| # `ZC_TOOLCHAIN` environment variable for use in the next step | |
| # (toolchain installation) because GitHub variable interpolation doesn't | |
| # support running arbitrary commands. In other words, we can't rewrite: | |
| # | |
| # toolchain: $ {{ env.ZC_TOOLCHAIN }} | |
| # | |
| # ...to: | |
| # | |
| # toolchain: $ {{ ./cargo.sh --version matrix.toolchain }} # hypothetical syntax | |
| ZC_TOOLCHAIN="$(./cargo.sh --version ${{ matrix.toolchain }})" | |
| echo "Found that the '${{ matrix.toolchain }}' toolchain is $ZC_TOOLCHAIN" | tee -a $GITHUB_STEP_SUMMARY | |
| echo "ZC_TOOLCHAIN=$ZC_TOOLCHAIN" >> $GITHUB_ENV | |
| if [[ '${{ matrix.toolchain }}' == 'nightly' ]]; then | |
| RUSTFLAGS="$RUSTFLAGS $ZC_NIGHTLY_RUSTFLAGS" | |
| MIRIFLAGS="$MIRIFLAGS $ZC_NIGHTLY_MIRIFLAGS" | |
| echo "Using nightly toolchain; setting RUSTFLAGS='$RUSTFLAGS' and MIRIFLAGS='$MIRIFLAGS'" | tee -a $GITHUB_STEP_SUMMARY | |
| echo "RUSTFLAGS=$RUSTFLAGS" >> $GITHUB_ENV | |
| echo "MIRIFLAGS=$MIRIFLAGS" >> $GITHUB_ENV | |
| else | |
| echo "Using non-nightly toolchain; not modifying RUSTFLAGS='$RUSTFLAGS' or MIRIFLAGS='$MIRIFLAGS'" | tee -a $GITHUB_STEP_SUMMARY | |
| fi | |
| # On our MSRV, `cargo` does not know about the `rust-version` field. As a | |
| # result, in `cargo.sh`, if we use our MSRV toolchain in order to run `cargo | |
| # metadata`, we will not be able to extract the `rust-version` field. Thus, | |
| # in `cargo.sh`, we explicitly do `cargo +stable metadata`. This requires a | |
| # (more recent) stable toolchain to be installed. As of this writing, this | |
| # toolchain is not used for anything else. | |
| - name: Install stable Rust for use in 'cargo.sh' | |
| uses: dtolnay/rust-toolchain@00b49be78f40fba4e87296b2ead62868750bdd83 # stable | |
| with: | |
| toolchain: stable | |
| - name: Install Rust with ${{ matrix.toolchain }} toolchain (${{ env.ZC_TOOLCHAIN }}) and target ${{ matrix.target }} | |
| uses: dtolnay/rust-toolchain@00b49be78f40fba4e87296b2ead62868750bdd83 # stable | |
| with: | |
| toolchain: ${{ env.ZC_TOOLCHAIN }} | |
| targets: ${{ matrix.target }} | |
| # We require the `rust-src` component to ensure that the compiler | |
| # error output generated during UI tests matches that generated on | |
| # local developer machines; see | |
| # https://github.com/rust-lang/rust/issues/116433. | |
| # | |
| # Only nightly has a working Miri, so we skip installing on all other | |
| # toolchains. This expression is effectively a ternary expression - | |
| # see [1] for details. | |
| # | |
| # [1] https://github.com/actions/runner/issues/409#issuecomment-752775072 | |
| components: clippy, rust-src ${{ matrix.toolchain == 'nightly' && ', miri' || '' }} | |
| - name: Rust Cache | |
| uses: Swatinem/rust-cache@23bce251a8cd2ffc3c1075eaa2367cf899916d84 # v2.7.3 | |
| with: | |
| key: "${{ matrix.target }}" | |
| - name: Check tests | |
| run: ./cargo.sh +${{ matrix.toolchain }} check --tests --package ${{ matrix.crate }} --target ${{ matrix.target }} ${{ matrix.features }} --verbose | |
| - name: Build | |
| run: ./cargo.sh +${{ matrix.toolchain }} build --package ${{ matrix.crate }} --target ${{ matrix.target }} ${{ matrix.features }} --verbose | |
| # When building tests for the i686 target, we need certain libraries which | |
| # are not installed by default; `gcc-multilib` includes these libraries. | |
| - name: Install gcc-multilib | |
| # Per [1]: | |
| # | |
| # Note: Always run `sudo apt-get update` before installing a package. In | |
| # case the `apt` index is stale, this command fetches and re-indexes any | |
| # available packages, which helps prevent package installation failures. | |
| # | |
| # [1] https://docs.github.com/en/actions/using-github-hosted-runners/customizing-github-hosted-runners | |
| run: | | |
| sudo apt-get update | |
| sudo apt-get install gcc-multilib | |
| if: contains(matrix.target, 'i686') | |
| - name: Run tests | |
| run: | | |
| ./cargo.sh +${{ matrix.toolchain }} test \ | |
| --package ${{ matrix.crate }} \ | |
| --target ${{ matrix.target }} \ | |
| ${{ matrix.features }} \ | |
| --verbose \ | |
| -- \ | |
| --skip ui | |
| # Only run tests when targetting x86 (32- or 64-bit) - we're executing on | |
| # x86_64, so we can't run tests for any non-x86 target. | |
| # | |
| # TODO(https://github.com/dtolnay/trybuild/issues/184#issuecomment-1269097742): | |
| # Run compile tests when building for other targets. | |
| if: contains(matrix.target, 'x86_64') || contains(matrix.target, 'i686') | |
| - name: Run UI tests | |
| run: | | |
| # Run UI tests separately, treating warnings as warnings (rather than | |
| # as errors, as we do everywhere else in our CI tests). This allows | |
| # our UI tests to more accurately reflect what users will see, and | |
| # also ensures that we're not spuriously relying on warnings being | |
| # errors to ensure compilation failure (if we were, then our code | |
| # would be unsound whenever -Dwarnings is not enabled). | |
| # | |
| # TODO(#560), TODO(#187): Once we migrate to the ui-test crate, we | |
| # likely won't have to special-case the UI tests like this. | |
| RUSTFLAGS="$RUSTFLAGS -Wwarnings" ./cargo.sh +${{ matrix.toolchain }} test \ | |
| --package ${{ matrix.crate }} \ | |
| --target ${{ matrix.target }} \ | |
| ${{ matrix.features }} \ | |
| --verbose \ | |
| ui | |
| # Only run tests when targetting x86 (32- or 64-bit) - we're executing on | |
| # x86_64, so we can't run tests for any non-x86 target. | |
| # | |
| # TODO(https://github.com/dtolnay/trybuild/issues/184#issuecomment-1269097742): | |
| # Run compile tests when building for other targets. | |
| # | |
| # Only run UI tests for zerocopy-derive, or for zerocopy with the derive | |
| # feature. | |
| # | |
| # Only run UI tests for the 'msrv', 'stable', and 'nightly' toolchains. | |
| # Other toolchains are tested only because zerocopy has behavior which | |
| # differs on those toolchains, but at present, none of that behavior | |
| # affects UI tests. If we were to run UI tests on these toolchains, we | |
| # would need a new set of UI test files per toolchain, which would be a | |
| # maintenance burden not worth the (at present, zero) benefit. | |
| if: | | |
| (contains(matrix.target, 'x86_64') || contains(matrix.target, 'i686')) && | |
| (matrix.crate == 'zerocopy-derive' || | |
| (matrix.features != '' && matrix.features != '--no-default-features')) && | |
| (matrix.toolchain == 'msrv' || matrix.toolchain == 'stable' || matrix.toolchain == 'nightly') | |
| - name: Run tests under Miri | |
| run: | | |
| # Work around https://github.com/rust-lang/miri/issues/3125 | |
| [ "${{ matrix.target }}" == "aarch64-unknown-linux-gnu" ] && cargo clean | |
| # Run under both the stacked borrows model (default) and under the tree | |
| # borrows model to ensure we're compliant with both. | |
| for EXTRA_FLAGS in "" "-Zmiri-tree-borrows"; do | |
| MIRIFLAGS="$MIRIFLAGS $EXTRA_FLAGS" ./cargo.sh +${{ matrix.toolchain }} \ | |
| miri test \ | |
| --package ${{ matrix.crate }} \ | |
| --target ${{ matrix.target }} \ | |
| ${{ matrix.features }} | |
| done | |
| # Only nightly has a working Miri, so we skip installing on all other | |
| # toolchains. | |
| # | |
| # TODO(#22): Re-enable testing on riscv64gc-unknown-linux-gnu and/or | |
| # wasm32-wasi once those work. | |
| if: matrix.toolchain == 'nightly' && matrix.target != 'riscv64gc-unknown-linux-gnu' && matrix.target != 'wasm32-wasi' | |
| - name: Clippy check | |
| run: ./cargo.sh +${{ matrix.toolchain }} clippy --package ${{ matrix.crate }} --target ${{ matrix.target }} ${{ matrix.features }} --tests --verbose | |
| # Clippy improves the accuracy of lints over time, and fixes bugs. Only | |
| # running Clippy on nightly allows us to avoid having to write code which | |
| # is compatible with older versions of Clippy, which sometimes requires | |
| # hacks to work around limitations that are fixed in more recent versions. | |
| if: matrix.toolchain == 'nightly' | |
| - name: Cargo doc | |
| # We pass --document-private-items and --document-hidden items to ensure that | |
| # documentation always builds even for these items. This makes future changes to | |
| # make those items public/non-hidden more painless. Note that | |
| # --document-hidden-items is unstable; if a future release breaks or removes it, | |
| # we can just update CI to no longer pass that flag. | |
| run: | | |
| # Include arguments passed during docs.rs deployments to make sure those | |
| # work properly. | |
| METADATA_DOCS_RS_RUSTDOC_ARGS="$(cargo metadata --format-version 1 | \ | |
| jq -r ".packages[] | select(.name == \"zerocopy\").metadata.docs.rs.\"rustdoc-args\".[]" | tr '\n' ' ')" | |
| export RUSTDOCFLAGS="${{ matrix.toolchain == 'nightly' && '-Z unstable-options --document-hidden-items' || '' }} $RUSTDOCFLAGS $METADATA_DOCS_RS_RUSTDOC_ARGS" | |
| ./cargo.sh +${{ matrix.toolchain }} doc --document-private-items --package ${{ matrix.crate }} ${{ matrix.features }} | |
| # Check semver compatibility with the most recently-published version on | |
| # crates.io. We do this in the matrix rather than in its own job so that it | |
| # gets run on different targets. Some of our API is target-specific (e.g., | |
| # SIMD type impls), and so we need to run on each target. | |
| # | |
| # TODO(https://github.com/obi1kenobi/cargo-semver-checks-action/issues/54): | |
| # Currently we don't actually do anything with `matrix.target`, so we're | |
| # just duplicating work by running this job multiple times, each time | |
| # targetting the host platform. | |
| - name: Check semver compatibility | |
| uses: obi1kenobi/cargo-semver-checks-action@c7306483f698c511eaf7416d1bf2e1958c90140f # v2.4 | |
| with: | |
| # Don't semver check zerocopy-derive; as a proc macro, it doesn't have | |
| # an API that cargo-semver-checks can understand. | |
| package: zerocopy | |
| # Don't test nightly features. The reason this doesn't work is that | |
| # cargo-semver-checks works relative to the most recently-published | |
| # stable release on crates.io. The pinned nightly toolchain may be | |
| # incompatible with the unstable features on that published release, as | |
| # nightly features may have changed since it was released. Luckily, we | |
| # don't care about the API stability of these features anyway. | |
| feature-group: only-explicit-features | |
| features: __internal_use_only_features_that_work_on_stable | |
| rust-toolchain: ${{ env.ZC_TOOLCHAIN }} | |
| if: matrix.crate == 'zerocopy' && matrix.features == '--features __internal_use_only_features_that_work_on_stable' && matrix.toolchain == 'nightly' | |
| kani: | |
| runs-on: ubuntu-latest | |
| name: 'Run tests under Kani' | |
| steps: | |
| - uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b # v4.1.5 | |
| - uses: model-checking/kani-github-action@f838096619a707b0f6b2118cf435eaccfa33e51f # v1.1 | |
| with: | |
| # Use `--features __internal_use_only_features_that_work_on_stable` | |
| # because the Kani GitHub Action uses its own pinned nightly | |
| # toolchain. Sometimes, we make changes to our nightly features for | |
| # more recent toolchains, and so our nightly features become | |
| # incompatible with the toolchain that Kani uses. By only testing | |
| # stable features, we ensure that this doesn't cause problems in CI. | |
| # | |
| # TODO(https://github.com/model-checking/kani-github-action/issues/56): | |
| # Go back to testing all features once the Kani GitHub Action supports | |
| # specifying a particular toolchain. | |
| args: "--package zerocopy --features __internal_use_only_features_that_work_on_stable --output-format=terse --randomize-layout --memory-safety-checks --overflow-checks --undefined-function-checks --unwinding-checks" | |
| # This version is automatically rolled by | |
| # `roll-pinned-toolchain-versions.yml`. | |
| kani-version: 0.51.0 | |
| check_fmt: | |
| runs-on: ubuntu-latest | |
| name: Check Rust formatting | |
| steps: | |
| - uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b # v4.1.5 | |
| - name: Check Rust formatting | |
| run: ./ci/check_fmt.sh | |
| check_readme: | |
| needs: generate_cache | |
| runs-on: ubuntu-latest | |
| name: Check README.md | |
| steps: | |
| - uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b # v4.1.5 | |
| - name: Populate cache | |
| uses: ./.github/actions/cache | |
| - name: Check README.md | |
| run: ./ci/check_readme.sh | |
| check_msrv: | |
| needs: generate_cache | |
| runs-on: ubuntu-latest | |
| name: Check MSRVs match | |
| steps: | |
| - uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b # v4.1.5 | |
| - name: Populate cache | |
| uses: ./.github/actions/cache | |
| # Make sure that the MSRV in zerocopy's and zerocopy-derive's `Cargo.toml` | |
| # files are the same. In CI, we test with a single MSRV (the one indicated | |
| # in zerocopy's `Cargo.toml`), so it's important that: | |
| # - zerocopy-derive's MSRV is not lower than zerocopy's (we don't test with | |
| # a lower MSRV in CI, so we couldn't guarantee that zerocopy-derive | |
| # actually built and ran on a lower MSRV) | |
| # - zerocopy-derive's MSRV is not higher than zerocopy's (this would mean | |
| # that compiling zerocopy with the `derive` feature enabled would fail | |
| # on its own published MSRV) | |
| - name: Check MSRVs match | |
| run: ./ci/check_msrv.sh | |
| check_versions: | |
| needs: generate_cache | |
| runs-on: ubuntu-latest | |
| name: Check crate versions match | |
| steps: | |
| - uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b # v4.1.5 | |
| - name: Populate cache | |
| uses: ./.github/actions/cache | |
| # Make sure that both crates are at the same version, and that zerocopy | |
| # depends exactly upon the current version of zerocopy-derive. See | |
| # `INTERNAL.md` for an explanation of why we do this. | |
| - name: Check crate versions match | |
| run: ./ci/check_versions.sh | |
| generate_cache: | |
| runs-on: ubuntu-latest | |
| name: Generate cache | |
| steps: | |
| - uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b # v4.1.5 | |
| - name: Populate cache | |
| uses: ./.github/actions/cache | |
| - name: Download dependencies | |
| run: | | |
| # Ensure all dependencies are downloaded - both for our crates and for | |
| # tools we use in CI. We don't care about these tools succeeding for | |
| # two reasons: First, this entire job is best-effort since it's just a | |
| # performance optimization. Second, there may be failures due to | |
| # issues other than failing to download dependencies (e.g., `cargo | |
| # metadata` called with a malformed `Cargo.toml`, build failure in our | |
| # own crate or in dependencies, etc). For those reasons, we discard | |
| # stderr and ignore status codes. | |
| # | |
| # For downloading our crates' dependencies in particular, note that | |
| # there is no support for doing this directly [1], so we just check | |
| # all crates using --tests. | |
| # | |
| # We background all jobs and then wait for them so that they can run | |
| # in parallel. | |
| # | |
| # [1] https://stackoverflow.com/a/42139535/836390 | |
| cargo check --workspace --tests &> /dev/null & | |
| cargo metadata &> /dev/null & | |
| cargo install cargo-readme --version 3.2.0 &> /dev/null & | |
| cargo install --locked kani-verifier &> /dev/null & | |
| cargo kani setup &> /dev/null & | |
| wait | |
| check-all-toolchains-tested: | |
| runs-on: ubuntu-latest | |
| name: Check that all toolchains listed in Cargo.toml are tested in CI | |
| steps: | |
| - name: Install yq (for YAML parsing) | |
| run: go install github.com/mikefarah/yq/v4@latest | |
| - uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b # v4.1.5 | |
| - name: Run check | |
| run: ./ci/check_all_toolchains_tested.sh | |
| check-job-dependencies: | |
| runs-on: ubuntu-latest | |
| name: Check all-jobs-succeeded depends on all jobs | |
| steps: | |
| - name: Install yq (for YAML parsing) | |
| run: go install github.com/mikefarah/yq/v4@latest | |
| - uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b # v4.1.5 | |
| - name: Run dependency check | |
| run: ./ci/check_job_dependencies.sh | |
| run-git-hooks: | |
| runs-on: ubuntu-latest | |
| name: Run Git hooks | |
| steps: | |
| - name: Install yq (for YAML parsing) | |
| run: go install github.com/mikefarah/yq/v4@latest | |
| - uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b # v4.1.5 | |
| - name: Run dependency check | |
| # Ensure that Git hooks execute successfully. | |
| # | |
| # Note that this runs all hooks. As of this writing, the only Git hook | |
| # is `pre-push`. Running all hooks ensures that, if a new hook is added | |
| # which can't run in CI (at least not using this naive setup), we'll | |
| # notice and it will remind us to update this test. | |
| run: set -e; for hook in ./githooks/*; do $hook; done | |
| # Used to signal to branch protections that all other jobs have succeeded. | |
| all-jobs-succeed: | |
| name: All checks succeeded | |
| # On failure, we run and unconditionally exit with a failing status code. | |
| # On success, this job is skipped. Jobs skipped using `if:` are considered | |
| # to have succeeded: | |
| # | |
| # https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/collaborating-on-repositories-with-code-quality-features/troubleshooting-required-status-checks#handling-skipped-but-required-checks | |
| if: failure() | |
| runs-on: ubuntu-latest | |
| needs: [build_test, kani, check_fmt, check_readme, check_msrv, check_versions, generate_cache, check-all-toolchains-tested, check-job-dependencies, run-git-hooks] | |
| steps: | |
| - name: Mark the job as failed | |
| run: exit 1 |