Sep 04 14:29:56.851 INFO checking luther-0.1.0 against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 04 14:29:56.851 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 04 14:29:56.851 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-3/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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 +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 14:29:57.099 INFO blam! 5d4d1758196903aa55f8f2d29ebfe93797c87f2af1eb1389228f6ab8675e6f78
Sep 04 14:29:57.101 INFO running `"docker" "start" "-a" "5d4d1758196903aa55f8f2d29ebfe93797c87f2af1eb1389228f6ab8675e6f78"`
Sep 04 14:29:58.003 INFO kablam!     Checking luther v0.1.0 (file:///source)
Sep 04 14:30:01.523 INFO kablam! warning: unused arithmetic operation which must be used
Sep 04 14:30:01.523 INFO kablam!    --> src/span.rs:132:9
Sep 04 14:30:01.523 INFO kablam!     |
Sep 04 14:30:01.523 INFO kablam! 132 |         Location::new(usize::max_value()) + 3;
Sep 04 14:30:01.523 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 14:30:01.523 INFO kablam!     |
Sep 04 14:30:01.523 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 04 14:30:01.523 INFO kablam! 
Sep 04 14:30:01.580 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.68s
Sep 04 14:30:01.590 INFO kablam! su: No module specific data is present
Sep 04 14:30:02.282 INFO running `"docker" "rm" "-f" "5d4d1758196903aa55f8f2d29ebfe93797c87f2af1eb1389228f6ab8675e6f78"`
Sep 04 14:30:02.456 INFO blam! 5d4d1758196903aa55f8f2d29ebfe93797c87f2af1eb1389228f6ab8675e6f78