Aug 30 14:37:11.988 INFO checking hamt-rs-0.3.0 against try#bc5a74802bb3ffc82f51ef04bca58d64220124c4 for pr-53699
Aug 30 14:37:11.989 INFO running: cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets
Aug 30 14:37:11.989 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53699/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-3/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 14:37:12.219 INFO blam! f16d765c94f07338c226cda4bef217cee6c014849129c61df843d6a034639450
Aug 30 14:37:12.221 INFO running `"docker" "start" "-a" "f16d765c94f07338c226cda4bef217cee6c014849129c61df843d6a034639450"`
Aug 30 14:37:13.205 INFO kablam!     Checking hamt-rs v0.3.0 (file:///source)
Aug 30 14:37:18.944 INFO kablam! warning: unused return value of `std::clone::Clone::clone` which must be used
Aug 30 14:37:18.944 INFO kablam!    --> benches/benches.rs:165:9
Aug 30 14:37:18.944 INFO kablam!     |
Aug 30 14:37:18.944 INFO kablam! 165 |         map.clone();
Aug 30 14:37:18.944 INFO kablam!     |         ^^^^^^^^^^^^
Aug 30 14:37:18.944 INFO kablam!     |
Aug 30 14:37:18.944 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 30 14:37:18.944 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Aug 30 14:37:18.944 INFO kablam! 
Aug 30 14:37:18.966 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.84s
Aug 30 14:37:18.971 INFO kablam! su: No module specific data is present
Aug 30 14:37:19.433 INFO running `"docker" "rm" "-f" "f16d765c94f07338c226cda4bef217cee6c014849129c61df843d6a034639450"`
Aug 30 14:37:19.546 INFO blam! f16d765c94f07338c226cda4bef217cee6c014849129c61df843d6a034639450