Aug 31 22:08:25.836 INFO checking luther-0.1.0 against master#d0d81b7fc1421859ba0218e8a437af29ae3b0967 for pr-53578
Aug 31 22:08:25.836 INFO running: cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets
Aug 31 22:08:25.836 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53578/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-3/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/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 +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 22:08:26.098 INFO blam! 34cb40e53953ef1dbf2ed587f9c1435d5105b1294c1a5c27984217fe6113f1f7
Aug 31 22:08:26.101 INFO running `"docker" "start" "-a" "34cb40e53953ef1dbf2ed587f9c1435d5105b1294c1a5c27984217fe6113f1f7"`
Aug 31 22:08:27.167 INFO kablam!     Checking luther v0.1.0 (file:///source)
Aug 31 22:08:30.697 INFO kablam! warning: unused arithmetic operation which must be used
Aug 31 22:08:30.697 INFO kablam!    --> src/span.rs:132:9
Aug 31 22:08:30.697 INFO kablam!     |
Aug 31 22:08:30.697 INFO kablam! 132 |         Location::new(usize::max_value()) + 3;
Aug 31 22:08:30.697 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 22:08:30.697 INFO kablam!     |
Aug 31 22:08:30.697 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 31 22:08:30.697 INFO kablam! 
Aug 31 22:08:30.786 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.75s
Aug 31 22:08:30.798 INFO kablam! su: No module specific data is present
Aug 31 22:08:31.371 INFO running `"docker" "rm" "-f" "34cb40e53953ef1dbf2ed587f9c1435d5105b1294c1a5c27984217fe6113f1f7"`
Aug 31 22:08:31.550 INFO blam! 34cb40e53953ef1dbf2ed587f9c1435d5105b1294c1a5c27984217fe6113f1f7