Clean up clippy warnings. #967

	name: Avail Light CI
	on:
	push:
	branches:
	- main
	- develop
	pull_request:
	branches:
	- main
	- develop

	jobs:
	build_and_test:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2

	# A repository can have up to 10GB of caches.
	# Check https://github.com/actions/cache for details.
	- uses: actions/cache@v2
	with:
	path: \|
	~/.cargo/bin/
	~/.cargo/registry/index/
	~/.cargo/registry/cache/
	~/.cargo/git/db/
	target/
	key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}

	- uses: actions-rs/toolchain@v1
	with:
	toolchain: stable
	components: rustfmt, clippy, llvm-tools-preview
	profile: minimal
	default: true

	- name: Install Protoc
	uses: arduino/setup-protoc@v1

	- name: Check `TOML`, `JSON`, and `MarkDown` formatting
	uses: dprint/[email protected]

	- name: Check code formatting
	uses: actions-rs/cargo@v1
	with:
	command: fmt
	args: --check

	- name: Run tests
	uses: actions-rs/cargo@v1
	with:
	command: test
	env:
	RUSTFLAGS: "-C instrument-coverage"
	LLVM_PROFILE_FILE: "profile-%p-%m.profraw"

	- name: Generate test code coverage report
	run: \|
	cargo +stable install --force grcov
	grcov . -s . --binary-path ./target/debug/ -t lcov --branch --ignore-not-existing -o lcov.info

	- name: Upload test code coverage report to codecov.io
	uses: codecov/codecov-action@v2
	with:
	files: lcov.info

	- name: Cleanup
	run: find . -name \*.profraw -type f -exec rm -f {} +

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