Aug 30 11:22:22.852 INFO checking luther-0.1.0 against try#bc5a74802bb3ffc82f51ef04bca58d64220124c4 for pr-53699
Aug 30 11:22:22.852 INFO running: cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets
Aug 30 11:22:22.852 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53699/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-2/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 11:22:23.095 INFO blam! f15ce4aca3e45f7c6d83f105c7edeb2461c8dd5397e2da376de9d73157a7f940
Aug 30 11:22:23.097 INFO running `"docker" "start" "-a" "f15ce4aca3e45f7c6d83f105c7edeb2461c8dd5397e2da376de9d73157a7f940"`
Aug 30 11:22:24.083 INFO kablam!     Checking luther v0.1.0 (file:///source)
Aug 30 11:22:27.643 INFO kablam! warning: unused arithmetic operation which must be used
Aug 30 11:22:27.643 INFO kablam!    --> src/span.rs:132:9
Aug 30 11:22:27.643 INFO kablam!     |
Aug 30 11:22:27.643 INFO kablam! 132 |         Location::new(usize::max_value()) + 3;
Aug 30 11:22:27.643 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 11:22:27.644 INFO kablam!     |
Aug 30 11:22:27.645 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 30 11:22:27.645 INFO kablam! 
Aug 30 11:22:27.731 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.77s
Aug 30 11:22:27.738 INFO kablam! su: No module specific data is present
Aug 30 11:22:28.256 INFO running `"docker" "rm" "-f" "f15ce4aca3e45f7c6d83f105c7edeb2461c8dd5397e2da376de9d73157a7f940"`
Aug 30 11:22:28.414 INFO blam! f15ce4aca3e45f7c6d83f105c7edeb2461c8dd5397e2da376de9d73157a7f940