Sep 20 00:17:34.542 INFO checking hamt-rs-0.3.0 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 20 00:17:34.542 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 20 00:17:34.542 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-4/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 00:17:34.744 INFO blam! 4404fc51c4c99e9a8c5df4ca071ba3fe307aef935f6cc44f3dd68d5273a6e0e3
Sep 20 00:17:34.746 INFO running `"docker" "start" "-a" "4404fc51c4c99e9a8c5df4ca071ba3fe307aef935f6cc44f3dd68d5273a6e0e3"`
Sep 20 00:17:35.718 INFO kablam! usermod: no changes
Sep 20 00:17:35.745 INFO kablam!     Checking hamt-rs v0.3.0 (/source)
Sep 20 00:17:38.088 INFO kablam! warning: unused return value of `std::clone::Clone::clone` which must be used
Sep 20 00:17:38.088 INFO kablam!    --> benches/benches.rs:165:9
Sep 20 00:17:38.088 INFO kablam!     |
Sep 20 00:17:38.088 INFO kablam! 165 |         map.clone();
Sep 20 00:17:38.088 INFO kablam!     |         ^^^^^^^^^^^^
Sep 20 00:17:38.088 INFO kablam!     |
Sep 20 00:17:38.088 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 20 00:17:38.088 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Sep 20 00:17:38.088 INFO kablam! 
Sep 20 00:17:38.106 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.37s
Sep 20 00:17:38.108 INFO kablam! su: No module specific data is present
Sep 20 00:17:38.792 INFO running `"docker" "rm" "-f" "4404fc51c4c99e9a8c5df4ca071ba3fe307aef935f6cc44f3dd68d5273a6e0e3"`
Sep 20 00:17:38.849 INFO blam! 4404fc51c4c99e9a8c5df4ca071ba3fe307aef935f6cc44f3dd68d5273a6e0e3