Warn on `clippy::cast_possible_truncation` #2725

	name: Check no Cargo.lock files are dirty

	on: pull_request

	jobs:
	no_dirty_cargo_locks_check:
	runs-on: ubuntu-latest
	steps:
	- name: "Checkout repository"
	uses: actions/checkout@v3
	with:
	ref: ${{ github.event.pull_request.head.sha }}

	- name: "Check no Cargo.lock files are dirty"
	run: \|
	exit_code=0
	# This breaks for paths with whitespaces in them, but we have an integration test
	# that prevents those from existing in this repository.
	for f in $(find . -name 'Cargo.lock' -not -path "./build/*"); do
	is_dirty=0
	(
	cd "$(dirname "$f")"
	cargo --locked metadata --format-version 1 >/dev/null 2>&1
	) \|\| is_dirty=$?;
	# GitHub Actions execute run steps as `bash -e`, so we need the temporary
	# variable to not exit early.
	if [ $is_dirty -ne 0 ]; then
	echo "Lockfile $f is dirty"
	exit_code=1
	fi
	done
	exit $exit_code

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