Bump actions/checkout from 3.6.0 to 4.0.0 #59

	name: CI

	on:
	push:
	branches: [master, staging, trying, release-*]
	pull_request:
	branches: [master, release-*]

	jobs:
	check:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	rust:
	- 1.67.1
	steps:
	- uses: actions/[email protected]
	- uses: swatinem/rust-cache@v2
	- uses: dtolnay/rust-toolchain@master
	with:
	toolchain: ${{ matrix.rust }}
	- run: cargo check --all-features

	test:
	needs: [check]
	runs-on: ubuntu-latest
	strategy:
	matrix:
	rust:
	- 1.67.1
	steps:
	- uses: actions/[email protected]
	- uses: swatinem/rust-cache@v2
	- uses: dtolnay/rust-toolchain@master
	with:
	toolchain: ${{ matrix.rust }}
	- run: cargo test --all-features

	clippy:
	needs: [check]
	runs-on: ubuntu-latest
	strategy:
	matrix:
	rust:
	- 1.67.1
	steps:
	- uses: actions/[email protected]
	- uses: swatinem/rust-cache@v2
	- uses: dtolnay/rust-toolchain@master
	with:
	toolchain: ${{ matrix.rust }}
	components: clippy
	- run: cargo clippy --all-features

	fmt:
	name: Formatting
	needs: [check]
	runs-on: ubuntu-latest
	strategy:
	matrix:
	rust:
	- 1.67.1
	steps:
	- uses: actions/[email protected]
	- uses: swatinem/rust-cache@v2
	- uses: dtolnay/rust-toolchain@master
	with:
	toolchain: ${{ matrix.rust }}
	components: rustfmt
	- run: cargo fmt --all -- --check


	# We need some "accummulation" job here because bors fails (timeouts) to
	# listen on matrix builds.
	# Hence, we have some kind of dummy here that bors can listen on
	ci-success:
	name: CI
	if: ${{ success() }}
	runs-on: ubuntu-latest
	needs:
	- check
	- test
	- clippy
	- fmt
	steps:
	- name: CI succeeded
	run: exit 0

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