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name: Rust
on:
push:
branches:
pull_request:
env:
CARGO_TERM_COLOR: always
# Disable incremental compilation.
#
# Incremental compilation is useful as part of an edit-build-test-edit cycle,
# as it lets the compiler avoid recompiling code that hasn't changed. However,
# on CI, we're not making small edits; we're almost always building the entire
# project from scratch. Thus, incremental compilation on CI actually
# introduces *additional* overhead to support making future builds
# faster...but no future builds will ever occur in any given CI environment.
#
# See https://matklad.github.io/2021/09/04/fast-rust-builds.html#ci-workflow
# for details.
CARGO_INCREMENTAL: 0
# Allow more retries for network requests in cargo (downloading crates) and
# rustup (installing toolchains). This should help to reduce flaky CI failures
# from transient network timeouts or other issues.
CARGO_NET_RETRY: 10
RUSTUP_MAX_RETRIES: 10
RUST_BACKTRACE: 1
jobs:
check:
name: Check
runs-on: ubuntu-latest
steps:
- name: Checkout sources
uses: actions/checkout@v3
- uses: Swatinem/rust-cache@v2
- name: Run cargo check
run: cargo check
test:
name: test
runs-on: ubuntu-latest
steps:
- name: Test sources
uses: actions/checkout@v3
- uses: Swatinem/rust-cache@v2
- name: Run cargo test
run: cargo test
lints:
name: Lints
runs-on: ubuntu-latest
steps:
- name: Checkout sources
uses: actions/checkout@v3
- uses: Swatinem/rust-cache@v2
- name: Run cargo fmt
run: cargo fmt --all -- --check
- name: Run cargo clippy
run: cargo clippy -- -D warnings
test_os:
name: Build on ${{ matrix.os }} with Rust ${{ matrix.rust }}
runs-on: ${{ matrix.os }}
strategy:
fail-fast: false
matrix:
os:
rust:
include:
- rust: nightly
os: ubuntu-latest
steps:
- name: Checkout sources
uses: actions/checkout@v3
- name: Install ${{ matrix.rust }} toolchain
run: rustup toolchain add ${{ matrix.rust }} --no-self-update && rustup default ${{ matrix.rust }}
- uses: Swatinem/rust-cache@v2
- name: Run cargo build
run: cargo build