Merge #55 #13

	name: CI
	on:
	push:
	branches:
	- staging
	- trying

	jobs:

	test:
	name: Test
	runs-on: ubuntu-latest
	strategy:
	matrix:
	rust: [1.56.0, stable, beta, nightly]
	steps:
	- uses: actions/checkout@v3
	- uses: dtolnay/rust-toolchain@master
	with:
	toolchain: ${{ matrix.rust }}
	- run: cargo build
	- run: ./ci/test_full.sh

	# try a target that doesn't have std at all
	no_std:
	name: No Std
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: dtolnay/rust-toolchain@stable
	with:
	target: thumbv6m-none-eabi
	- run: cargo build --target thumbv6m-none-eabi --manifest-path ci/check/Cargo.toml
	# This test crate is intentionally separate, because we need
	# independent features for no-std. (rust-lang/cargo#2589)

	fmt:
	name: Format
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: dtolnay/rust-toolchain@1.70.0
	with:
	components: rustfmt
	- run: cargo fmt --all --check

Provide feedback