Add an empty workspace to make recent cargo happy #1338

	name: Rust

	on: [push, pull_request]

	jobs:

	rustfmt-clippy:
	name: Format and Clippy
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Install stable
	uses: dtolnay/rust-toolchain@stable
	with:
	toolchain: stable
	components: clippy, rustfmt

	- name: Run rustfmt
	run: \|
	cargo fmt --all -- --check

	- name: Run clippy
	uses: actions-rs-plus/[email protected]
	with:
	args: --all -- -D warnings

	coverage:
	needs: arch-test
	name: Code coverage
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Install toolchain
	uses: dtolnay/rust-toolchain@stable
	with:
	toolchain: stable

	- name: Install grcov
	env:
	LINK: https://github.com/mozilla/grcov/releases/download
	GRCOV_VERSION: 0.8.7
	run: \|
	curl -L "$LINK/v$GRCOV_VERSION/grcov-x86_64-unknown-linux-gnu.tar.bz2" \|
	tar xj -C $HOME/.cargo/bin

	- name: Set up MinGW
	uses: egor-tensin/setup-mingw@v2
	with:
	platform: x64
	cc: false

	- name: Run grcov
	id: coverage
	run: bash coverage.sh

	- name: Codecov upload
	uses: codecov/codecov-action@v4
	with:
	files: coverage.lcov

	arch-test:
	needs: rustfmt-clippy
	strategy:
	matrix:
	os: [ubuntu-latest, windows-latest, macos-13, macos-latest]
	toolchain: [nightly, stable]
	include:
	- toolchain: nightly-gnu
	os: windows-latest
	- toolchain: stable-gnu
	os: windows-latest

	name: ${{matrix.os}}-${{matrix.toolchain}}
	runs-on: ${{matrix.os}}
	steps:
	- uses: actions/checkout@v4

	- name: Install ${{matrix.toolchain}}
	uses: dtolnay/rust-toolchain@stable
	with:
	toolchain: ${{matrix.toolchain}}

	- name: Build
	run: \|
	cargo build --verbose

	- name: Run tests
	run: \|
	cargo test --verbose

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