Rust

Don't throw an error when there is no features in Cargo.toml #53

	name: Rust

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

	env:
	CARGO_TERM_COLOR: always
	RUSTFLAGS: -D warnings
	RUST_BACKTRACE: 1

	jobs:
	test:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	rust:
	- stable
	- 1.54.0
	- nightly

	steps:
	- uses: actions/checkout@v2
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: ${{ matrix.rust }}
	override: true
	- name: Run tests
	run: cargo test --verbose --all-features
	- name: Run docs
	run: cargo doc --verbose
	format:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v2
	- name: Install latest stable
	uses: actions-rs/toolchain@v1
	with:
	toolchain: stable
	override: true
	components: rustfmt
	- name: Run rustfmt
	run: cargo fmt --all -- --check

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