add MFR_SPECIAL_OPTIONS to bmr491 #49

	on: [push, pull_request]

	name: Continuous integration

	env:
	CARGO_INCREMENTAL: 0 # set here rather than on CI profile so that the tests get it too

	jobs:
	check-msrv:
	name: Check (MSRV)
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	with:
	submodules: true
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: 1.57.0
	override: true
	- uses: Swatinem/rust-cache@v1
	- uses: actions-rs/cargo@v1
	with:
	command: check
	args: --profile=ci
	check:
	name: Check
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	with:
	submodules: true
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	override: true
	- uses: Swatinem/rust-cache@v1
	- uses: actions-rs/cargo@v1
	with:
	command: check
	args: --profile=ci

	test:
	name: Test Suite
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	with:
	submodules: true
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: 1.57.0
	override: true
	- uses: Swatinem/rust-cache@v1
	- uses: actions-rs/cargo@v1
	with:
	command: test
	args: --profile=ci

	clippy:
	name: Clippy
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	with:
	submodules: true
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: 1.57.0
	override: true
	components: clippy
	- uses: Swatinem/rust-cache@v1
	- uses: actions-rs/cargo@v1
	with:
	command: clippy
	args: --profile=ci -- -D warnings

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