Misc cleanups before allowing usage with stable Rust #643

	permissions:
	contents: read
	on:
	push:
	branches: [main]
	pull_request:
	schedule:
	- cron: '7 7 * * *'
	name: rolling
	jobs:
	# https://twitter.com/mycoliza/status/1571295690063753218
	nightly:
	runs-on: ubuntu-latest
	name: ubuntu / nightly
	steps:
	- uses: actions/checkout@v4
	with:
	submodules: true
	- name: Install nightly
	uses: dtolnay/rust-toolchain@nightly
	with:
	components: rust-src
	- name: cargo install cargo-expand
	run: cargo install cargo-expand
	- name: cargo generate-lockfile
	if: hashFiles('Cargo.lock') == ''
	run: cargo generate-lockfile
	- name: cargo test --locked
	run: cargo test --locked --all-features --all-targets
	# https://twitter.com/alcuadrado/status/1571291687837732873
	update:
	runs-on: ubuntu-latest
	name: ubuntu / nightly / updated
	steps:
	- uses: actions/checkout@v4
	with:
	submodules: true
	- name: Install nightly
	uses: dtolnay/rust-toolchain@nightly
	with:
	components: rust-src
	- name: cargo install cargo-expand
	run: cargo install cargo-expand
	- name: cargo update
	run: cargo update
	- name: cargo test
	run: cargo test --locked --all-features --all-targets
	env:
	RUSTFLAGS: -D deprecated

Provide feedback