Fix CI #138

	name: CI

	on:
	push:
	branches:
	- main

	pull_request:
	branches:
	- main

	jobs:
	build:
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-latest, windows-latest]
	rust_version: [stable, beta, 1.56.0]

	runs-on: ${{ matrix.os }}

	steps:
	- name: Checkout code
	uses: actions/checkout@v2

	- uses: dtolnay/rust-toolchain@v1
	with:
	toolchain: ${{ matrix.rust_version }}

	- run: cargo update

	- name: cargo build
	uses: actions-rs/cargo@v1
	with:
	command: build

	- name: cargo test
	uses: actions-rs/cargo@v1
	with:
	command: test

	- name: cargo fmt
	uses: actions-rs/cargo@v1
	with:
	command: fmt
	args: --all -- --check
	if: matrix.rust_version == 'stable'

	- name: cargo clippy
	uses: actions-rs/cargo@v1
	with:
	command: clippy
	args: --tests -- -D warnings
	if: matrix.rust_version == 'stable'

	- name: cargo check --features "io_safety"
	uses: actions-rs/cargo@v1
	with:
	command: check
	args: --features io_safety
	if: ${{ matrix.rust == 'stable' \|\| matrix.rust == 'beta' }}

	- name: cargo check --features tokio
	uses: actions-rs/cargo@v1
	with:
	command: check
	args: --features tokio
	if: ${{ matrix.rust == 'stable' \|\| matrix.rust == 'beta' }}

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