Aug 31 00:27:21.587 INFO checking array-queue-0.3.3 against master#ede55518431154bc761f7b2438cce9078c162700 for pr-53707
Aug 31 00:27:21.587 INFO running: cargo +ede55518431154bc761f7b2438cce9078c162700-alt check --frozen --all --all-targets
Aug 31 00:27:21.587 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53707/master#ede55518431154bc761f7b2438cce9078c162700:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-2/master#ede55518431154bc761f7b2438cce9078c162700:/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 +ede55518431154bc761f7b2438cce9078c162700-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 00:27:21.804 INFO blam! 84c147e1cdf862f8ceaf12976c872f67ad41b65ce643f6ab0ef6ee1da04856c9
Aug 31 00:27:21.805 INFO running `"docker" "start" "-a" "84c147e1cdf862f8ceaf12976c872f67ad41b65ce643f6ab0ef6ee1da04856c9"`
Aug 31 00:27:22.469 INFO kablam!     Checking array-queue v0.3.3 (file:///source)
Aug 31 00:27:23.935 INFO kablam! warning: unused return value of `std::clone::Clone::clone` which must be used
Aug 31 00:27:23.935 INFO kablam!    --> src/array_queue.rs:553:9
Aug 31 00:27:23.935 INFO kablam!     |
Aug 31 00:27:23.935 INFO kablam! 553 |         a.clone();
Aug 31 00:27:23.935 INFO kablam!     |         ^^^^^^^^^^
Aug 31 00:27:23.935 INFO kablam!     |
Aug 31 00:27:23.935 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 31 00:27:23.935 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Aug 31 00:27:23.935 INFO kablam! 
Aug 31 00:27:23.956 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
Aug 31 00:27:23.958 INFO kablam! su: No module specific data is present
Aug 31 00:27:24.510 INFO running `"docker" "rm" "-f" "84c147e1cdf862f8ceaf12976c872f67ad41b65ce643f6ab0ef6ee1da04856c9"`
Aug 31 00:27:24.610 INFO blam! 84c147e1cdf862f8ceaf12976c872f67ad41b65ce643f6ab0ef6ee1da04856c9