rolling #456

	permissions:
	contents: read
	on:
	push:
	branches: [main]
	pull_request:
	schedule:
	- cron: '7 7 * * *'
	# Spend CI time only on latest ref: https://github.com/jonhoo/rust-ci-conf/pull/5
	concurrency:
	group: ${{ github.workflow }}-${{ github.head_ref \|\| github.run_id }}
	cancel-in-progress: true
	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
	- 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 / beta / updated
	# There's no point running this if no Cargo.lock was checked in in the
	# first place, since we'd just redo what happened in the regular test job.
	# Unfortunately, hashFiles only works in if on steps, so we reepeat it.
	# if: hashFiles('Cargo.lock') != ''
	steps:
	- uses: actions/checkout@v4
	with:
	submodules: true
	- name: Install beta
	if: hashFiles('Cargo.lock') != ''
	uses: dtolnay/rust-toolchain@beta
	- name: cargo update
	if: hashFiles('Cargo.lock') != ''
	run: cargo update
	- name: cargo test
	if: hashFiles('Cargo.lock') != ''
	run: cargo test --locked --all-features --all-targets
	env:
	RUSTFLAGS: -D deprecated

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