Add a CI job #2

	name: lint and test
	on:
	push:
	branches: [main]
	pull_request:
	types: [opened, synchronize]

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}

	jobs:
	rust:
	runs-on: ubuntu-latest
	steps:
	- name: 🔧 Install the rust toolchain
	uses: dtolnay/rust-toolchain@stable

	- name: 🔬 Install nextest
	uses: taiki-e/install-action@v2
	with:
	tool: cargo-nextest

	- name: 📥 Checkout repo
	uses: actions/checkout@v3

	- name: 📁 Rust cache
	uses: Swatinem/rust-cache@v2

	- name: 📖 Check formatting
	run: cargo fmt --check

	- name: 📎 Run clippy
	run: cargo clippy --all-targets --all-features -- -D warnings

	- name: 🧪 Run tests
	run: cargo nextest run --no-fail-fast

	- name: 📚 Run doctests
	run: cargo test --doc

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