improve error message #7

	name: CI

	on:
	push:
	branches:
	- main
	pull_request:

	env:
	CARGO_TERM_COLOR: always

	jobs:
	test:
	strategy:
	matrix:
	os: [ubuntu-latest, windows-latest]
	runs-on: ${{ matrix.os }}
	env:
	RUST_BACKTRACE: 1

	steps:
	- uses: actions/checkout@v2
	- uses: dtolnay/[email protected]
	with:
	components: rustfmt
	- name: Check formatting
	run: cargo fmt -- --check
	- name: Cargo cache
	uses: actions/cache@v2
	with:
	key: ${{ runner.os }}-cargo-${{ hashFiles('Cargo.lock') }}
	path: ~/.cargo/registry
	- name: Build
	run: cargo build --verbose
	- name: Run tests
	run: cargo test --verbose

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