fix unused return bug #91

	name: CI

	on:
	pull_request:
	push:
	branches:
	- master
	- cairo-comp-1

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	env:
	CARGO_TERM_COLOR: always
	# Make sure CI fails on all warnings, including Clippy lints
	RUSTFLAGS: "-Dwarnings"

	jobs:
	lint:
	# Name the Job
	name: Lint Code Base
	# Set the agent to run on
	runs-on: ubuntu-latest

	steps:
	- name: Checkout Code
	uses: actions/checkout@v3
	with:
	# Full git history is needed to get a proper
	# list of changed files within `super-linter`
	fetch-depth: 0

	- name: Lint Code Base
	uses: super-linter/super-linter@v5
	env:
	VALIDATE_ALL_CODEBASE: true
	VALIDATE_RUST_2021: true
	VALIDATE_RUST_CLIPPY: true
	DEFAULT_BRANCH: master
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

	test:
	name: Rust tests
	strategy:
	matrix:
	environment: [ubuntu-latest, macos-latest, windows-latest]

	runs-on: ${{ matrix.environment }}

	steps:
	- uses: actions/checkout@v3
	- run: rustup update
	- run: cargo test

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