Sep 01 14:41:35.930 INFO checking luther-0.1.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 14:41:35.930 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 14:41:35.930 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-1/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 14:41:36.289 INFO blam! 3b8ff3a53583e65e513fd13e574957dd97b3751f4ea728b4475f1aa3903b430d
Sep 01 14:41:36.292 INFO running `"docker" "start" "-a" "3b8ff3a53583e65e513fd13e574957dd97b3751f4ea728b4475f1aa3903b430d"`
Sep 01 14:41:38.051 INFO kablam!     Checking luther v0.1.0 (file:///source)
Sep 01 14:41:41.773 INFO kablam! warning: unused arithmetic operation which must be used
Sep 01 14:41:41.773 INFO kablam!    --> src/span.rs:132:9
Sep 01 14:41:41.773 INFO kablam!     |
Sep 01 14:41:41.773 INFO kablam! 132 |         Location::new(usize::max_value()) + 3;
Sep 01 14:41:41.774 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 14:41:41.774 INFO kablam!     |
Sep 01 14:41:41.774 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 01 14:41:41.774 INFO kablam! 
Sep 01 14:41:41.834 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.92s
Sep 01 14:41:41.840 INFO kablam! su: No module specific data is present
Sep 01 14:41:42.769 INFO running `"docker" "rm" "-f" "3b8ff3a53583e65e513fd13e574957dd97b3751f4ea728b4475f1aa3903b430d"`
Sep 01 14:41:42.942 INFO blam! 3b8ff3a53583e65e513fd13e574957dd97b3751f4ea728b4475f1aa3903b430d