Document how to test #443

	name: Rust

	on:
	push:
	branches: [ "master" ]
	pull_request:
	branches: [ "master" ]

	env:
	CARGO_TERM_COLOR: always

	jobs:
	build:

	runs-on: ubuntu-latest

	steps:
	# try to build
	- uses: actions/checkout@v3
	- name: Build
	run: cargo build --verbose
	# run all tests
	- uses: actions/checkout@v3
	- name: Run tests
	run: cargo build && cargo test --verbose

	linting:

	runs-on: ubuntu-latest

	steps:
	- name: install nightly rust
	run: rustup install nightly; rustup +nightly component add rustfmt clippy

	# cargo fmt
	- uses: actions/checkout@v3
	- name: fmt
	run: cargo +nightly fmt --all --check

	# run cargo clippy
	- uses: actions/checkout@v3
	- name: Clippy
	run: cargo +nightly clippy --all-targets

	cross-testing:
	strategy:
	matrix:
	os: [ubuntu-latest, windows-latest, macos-latest]

	runs-on: ${{ matrix.os }}
	steps:
	- uses: actions/checkout@v3
	with:
	toolchain: ${{ matrix.rust }}

	- name: Cross compile
	run: cargo build && cargo test --verbose

Provide feedback