Merge pull request #231 from alxndrv/add-lslocks #838

Job	Run time
cargo clippy -- -D warnings (ubuntu-latest)	25s
Code Coverage (ubuntu-latest, unix)	1m 47s
cargo clippy -- -D warnings (macOS-latest)	33s
cargo check (ubuntu-latest)	23s
Code Coverage (macos-latest, macos)	1m 46s
cargo fmt --all -- --check	12s
cargo clippy -- -D warnings (windows-latest)	1m 55s
cargo check (macOS-latest)	22s
Code Coverage (windows-latest, windows)	4m 45s
cargo check (windows-latest)	1m 42s
cargo test (ubuntu-latest)	36s
cargo test (macOS-latest)	58s
cargo test (windows-latest)	2m 34s
	17m 58s

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