rust

Upgrade dependents and fix new clippy #1151

	name: rust

	on:
	push:
	branches:
	- master
	pull_request: {}

	jobs:
	test:
	runs-on: ubuntu-20.04
	strategy:
	matrix:
	rust:
	- stable
	- "1.56.0" # MSRV (for edition 2021)
	steps:
	- uses: actions/checkout@v1
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: ${{ matrix.rust }}
	components: rustfmt # espr uses rustfmt in tests
	default: true
	override: true
	- uses: Swatinem/rust-cache@v1
	- uses: actions-rs/cargo@v1
	with:
	command: test
	args: --all-features

	check-format:
	runs-on: ubuntu-20.04
	steps:
	- uses: actions/checkout@v1
	- uses: actions-rs/toolchain@v1
	with:
	toolchain: "1.56.0"
	profile: minimal
	components: rustfmt
	default: true
	override: true
	- uses: actions-rs/cargo@v1
	with:
	command: fmt
	args: -- --check

	doc:
	runs-on: ubuntu-20.04
	steps:
	- uses: actions/checkout@v1
	- uses: actions-rs/toolchain@v1
	with:
	toolchain: "1.56.0"
	profile: minimal
	default: true
	override: true
	- uses: actions-rs/cargo@v1
	with:
	command: doc
	args: --no-deps

	clippy:
	runs-on: ubuntu-20.04
	steps:
	- uses: actions/checkout@v1
	- uses: actions-rs/toolchain@v1
	with:
	toolchain: "1.56.0"
	profile: minimal
	components: clippy
	default: true
	override: true
	- uses: actions-rs/cargo@v1
	with:
	command: clippy

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