Add older rust versions #11

	name: CI
	on: [ push, pull_request ]
	jobs:
	build:
	runs-on: ubuntu-latest
	continue-on-error: ${{ !matrix.required }}
	strategy:
	matrix:
	include:
	- { rust: "1.48", required: false } # debian 11
	- { rust: "1.63", required: false } # debian 12
	- { rust: "1.70", required: false } # debian 13
	- { rust: stable, required: true }
	- { rust: nightly, required: true }
	steps:
	- uses: actions/checkout@v3
	- uses: dtolnay/rust-toolchain@master
	with:
	toolchain: ${{ matrix.rust }}
	components: rustfmt
	- name: Build
	run: cargo build
	- name: Test
	run: cargo test
	- name: Format check
	run: cargo fmt --check
	- name: Run omnilinter on its own repository
	run: cargo run -- --config .omnilinter.conf .
	- name: Run omnilinter on its own repository
	run: cargo run -- --error-exitcode 1 --tags fatal --config .omnilinter.conf .

	coverage:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: dtolnay/rust-toolchain@master
	with:
	toolchain: nightly
	- name: Test
	run: cargo test
	env:
	RUSTFLAGS: '-Zprofile -Ccodegen-units=1 -Cinline-threshold=0 -Clink-dead-code -Coverflow-checks=off -Cpanic=abort -Zpanic_abort_tests'
	RUSTDOCFLAGS: '-Zprofile -Ccodegen-units=1 -Cinline-threshold=0 -Clink-dead-code -Coverflow-checks=off -Cpanic=abort -Zpanic_abort_tests'
	- name: Collect coverage
	uses: actions-rs/grcov@v0.1
	- name: Submit coverage
	uses: codecov/codecov-action@v4-beta
	with:
	fail_ci_if_error: true
	env:
	CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

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