7 - if [[ "$(rustc --version)" =~ -(dev|nightly) ]]; then cargo bench; fi
8 - if [[ "$(rustc --version)" =~ 1.36.0 ]]; then cp test-oldest-Cargo.lock Cargo.lock; fi
10 - cargo test --release
11 - cargo test --no-default-features --features hashbrown
12 - cargo test --release --no-default-features --features hashbrown