playground $ rustup run nightly cargo bench
   Compiling playground v0.1.0 (/home/yorickpeterse/Projects/rust/playground)
    Finished release [optimized] target(s) in 1.10s
     Running target/release/deps/playground-bf16eaf49df753cc

running 4 tests
test tests::bench_crossbeam_channel  ... bench:          28 ns/iter (+/- 4)
test tests::bench_crossbeam_injector ... bench:          78 ns/iter (+/- 89)
test tests::bench_crossbeam_worker   ... bench:          78 ns/iter (+/- 66)
test tests::bench_parking_lot        ... bench:         368 ns/iter (+/- 155)

test result: ok. 0 passed; 0 failed; 0 ignored; 4 measured; 0 filtered out

Results: ``` playground $ rustup run nightly cargo bench Compiling playground v0.1.0 (/home/yorickpeterse/Projects/rust/playground) Finished release [optimized] target(s) in 1.10s Running target/release/deps/playground-bf16eaf49df753cc running 4 tests test tests::bench_crossbeam_channel ... bench: 28 ns/iter (+/- 4) test tests::bench_crossbeam_injector ... bench: 78 ns/iter (+/- 89) test tests::bench_crossbeam_worker ... bench: 78 ns/iter (+/- 66) test tests::bench_parking_lot ... bench: 368 ns/iter (+/- 155) test result: ok. 0 passed; 0 failed; 0 ignored; 4 measured; 0 filtered out ```