Fix clippy warnings and add linting to CI #1349

	name: Test and Build

	on: [push, pull_request]

	jobs:

	test:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	rust:
	- 1.63.0 # MSRV
	- stable
	- nightly

	steps:
	- uses: actions/checkout@v2
	- uses: Swatinem/[email protected]
	- uses: actions-rs/toolchain@v1
	with:
	toolchain: ${{ matrix.rust }}
	override: true
	- name: Run tests
	run: RUST_LOG=debug bash contrib/test.sh

	rustfmt:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: Swatinem/[email protected]
	- uses: actions-rs/toolchain@v1
	with:
	toolchain: nightly
	override: true
	- run: rustup component add rustfmt --toolchain nightly-x86_64-unknown-linux-gnu
	- name: fmt check
	run: cargo fmt --all -- --check

	clippy:
	runs-on: ubuntu-latest
	steps:
	- name: "Checkout repo"
	uses: actions/checkout@v4
	- name: "Use caching"
	uses: Swatinem/[email protected]
	- name: "Install nightly toolchain"
	uses: actions-rs/toolchain@v1
	with:
	toolchain: nightly
	override: true
	- name: "Install clippy"
	run: rustup component add clippy --toolchain nightly-x86_64-unknown-linux-gnu
	- name: "Run linting"
	run: bash contrib/lint.sh

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