Rust

Update ring requirement in the cargo group across 1 directory #12

	# Automatically build, run unit and integration tests to detect errors early (CI provided by GitHub)
	# including making pull requests review easier

	# Human readable name in the actions tab
	name: Rust

	# For all branches on push and pull requests
	on:
	- push
	- pull_request

	env:
	# Enable colors
	CARGO_TERM_COLOR: always

	jobs:
	# Job id
	lint_and_test:

	# Environment image
	runs-on: ubuntu-latest

	steps:
	# Pull repo
	- uses: actions/checkout@v2

	# Cache compilation
	- uses: actions/cache@v2
	with:
	path: \|
	~/.cargo/registry
	~/.cargo/git
	target
	key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
	restore-keys: ${{ runner.os }}-cargo

	# Use clippy for linting with the debug profile for faster compilation
	- name: Lint
	run: cargo clippy

	# Unit Tests
	# Use colors for test output too, not only for cargo itself specified by the environment variable
	# See: https://github.com/rust-lang/cargo/issues/1983
	- name: Run tests
	run: cargo test --verbose -- --color always

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