fix warnings #713

	---
	name: Rust CI

	on:
	push:
	branches:
	- main
	pull_request:
	types:
	- opened
	- synchronize

	env:
	CARGO_TERM_COLOR: always

	jobs:
	check:
	name: Check
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	override: true
	- uses: Swatinem/rust-cache@v2
	- uses: actions-rs/cargo@v1
	with:
	command: check
	args: --all

	unit-tests:
	name: Unit tests
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	override: true
	- uses: Swatinem/rust-cache@v2
	- uses: actions-rs/cargo@v1
	with:
	command: test
	args: --all

	integration-tests:
	name: Integration tests
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	override: true
	- uses: Swatinem/rust-cache@v2
	- uses: actions-rs/cargo@v1
	with:
	command: run
	args: -p test-runner -- run

	fmt:
	name: Rustfmt
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	override: true
	- run: rustup component add rustfmt
	- uses: Swatinem/rust-cache@v2
	- uses: actions-rs/cargo@v1
	with:
	command: fmt
	args: --all -- --check

	clippy:
	name: Clippy
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	override: true
	- run: rustup component add clippy
	- uses: Swatinem/rust-cache@v2
	- uses: actions-rs/cargo@v1
	with:
	command: clippy
	args: --all -- -D warnings

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