Aug 31 00:03:50.531 INFO checking array-queue-0.3.3 against master#545f22340f72ee0efaf6463efb43a2840e3d35db for pr-53699
Aug 31 00:03:50.531 INFO running: cargo +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets
Aug 31 00:03:50.531 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53699/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-3/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/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 +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 00:03:50.699 INFO blam! a3a446cb456fd6e1cff389629abdd08f77bb6ca2a0bdeeea0f655c9fd6176a60
Aug 31 00:03:50.701 INFO running `"docker" "start" "-a" "a3a446cb456fd6e1cff389629abdd08f77bb6ca2a0bdeeea0f655c9fd6176a60"`
Aug 31 00:03:51.397 INFO kablam!     Checking array-queue v0.3.3 (file:///source)
Aug 31 00:03:53.002 INFO kablam! warning: unused return value of `std::clone::Clone::clone` which must be used
Aug 31 00:03:53.002 INFO kablam!    --> src/array_queue.rs:553:9
Aug 31 00:03:53.002 INFO kablam!     |
Aug 31 00:03:53.002 INFO kablam! 553 |         a.clone();
Aug 31 00:03:53.002 INFO kablam!     |         ^^^^^^^^^^
Aug 31 00:03:53.002 INFO kablam!     |
Aug 31 00:03:53.002 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 31 00:03:53.002 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Aug 31 00:03:53.002 INFO kablam! 
Aug 31 00:03:53.026 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.66s
Aug 31 00:03:53.029 INFO kablam! su: No module specific data is present
Aug 31 00:03:53.574 INFO running `"docker" "rm" "-f" "a3a446cb456fd6e1cff389629abdd08f77bb6ca2a0bdeeea0f655c9fd6176a60"`
Aug 31 00:03:53.659 INFO blam! a3a446cb456fd6e1cff389629abdd08f77bb6ca2a0bdeeea0f655c9fd6176a60