Sep 17 23:15:37.506 INFO checking hamt-rs-0.3.0 against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033
Sep 17 23:15:37.506 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets
Sep 17 23:15:37.506 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-7/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/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=1000" "-e" "CMD=cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 23:15:37.650 INFO blam! e821902bd79c6466ef183d6e00ff129d32a7d2ccfdf505d0ab1a2b0503832035
Sep 17 23:15:37.652 INFO running `"docker" "start" "-a" "e821902bd79c6466ef183d6e00ff129d32a7d2ccfdf505d0ab1a2b0503832035"`
Sep 17 23:15:38.750 INFO kablam! usermod: no changes
Sep 17 23:15:38.781 INFO kablam!     Checking hamt-rs v0.3.0 (/source)
Sep 17 23:15:41.342 INFO kablam! warning: unused return value of `std::clone::Clone::clone` which must be used
Sep 17 23:15:41.342 INFO kablam!    --> benches/benches.rs:165:9
Sep 17 23:15:41.342 INFO kablam!     |
Sep 17 23:15:41.342 INFO kablam! 165 |         map.clone();
Sep 17 23:15:41.342 INFO kablam!     |         ^^^^^^^^^^^^
Sep 17 23:15:41.342 INFO kablam!     |
Sep 17 23:15:41.342 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 17 23:15:41.342 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Sep 17 23:15:41.342 INFO kablam! 
Sep 17 23:15:41.365 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.60s
Sep 17 23:15:41.368 INFO kablam! su: No module specific data is present
Sep 17 23:15:42.108 INFO running `"docker" "rm" "-f" "e821902bd79c6466ef183d6e00ff129d32a7d2ccfdf505d0ab1a2b0503832035"`
Sep 17 23:15:42.188 INFO blam! e821902bd79c6466ef183d6e00ff129d32a7d2ccfdf505d0ab1a2b0503832035