ci: set the default Rust to what we want to test #98

	name: CI
	on:
	workflow_dispatch:
	pull_request:
	push:
	branches:
	- master
	env:
	CARGO_TERM_COLOR: always
	jobs:
	msrv:
	strategy:
	matrix:
	rust:
	- version: stable
	command: test
	args: ""
	- version: 1.48.0
	command: check
	args: "--locked"
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: install Rust
	run: \|
	rustup toolchain install ${{ matrix.rust.version }} --profile minimal --allow-downgrade
	rustup default ${{ matrix.rust.version }}
	- run: cp Cargo.lock.msrv Cargo.lock
	if: ${{ matrix.rust.version}} == 1.48.0
	- name: cargo check/test
	run: \|
	cargo --version
	cargo ${{ matrix.rust.command }} ${{ matrix.rust.args }}

	test:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: install Rust
	run: rustup toolchain install stable --profile minimal --component rustfmt,clippy --allow-downgrade
	- name: cargo fmt
	run: cargo fmt --check
	- name: cargo clippy
	run: cargo clippy --all-features -- --deny warnings
	- name: install tarpaulin
	uses: baptiste0928/cargo-install@v2
	with:
	crate: cargo-tarpaulin
	- name: cargo tarpaulin
	run: cargo tarpaulin --engine llvm --follow-exec --post-test-delay 10

	bench:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: install Rust
	run: rustup toolchain install nightly --profile minimal
	- name: cargo bench
	run: cargo +nightly bench --all-features

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