Update fixed toolchain version #212

	name: Test CI

	on: push

	env:
	CARGO_TERM_COLOR: always

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2
	with:
	submodules: true
	- name: Setup Build Environment
	run: \|
	sudo apt update
	sudo apt install libudev-dev libhidapi-dev
	- name: Setup rust toolchain
	uses: actions-rs/toolchain@v1
	with:
	override: true
	- uses: davidB/rust-cargo-make@v1
	with:
	version: 0.35.16
	- uses: Swatinem/rust-cache@v1
	- name: Run tests
	run: cargo make test-flow

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