Sep 01 16:07:32.133 INFO checking karaorust-0.0.1 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 16:07:32.133 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 16:07:32.133 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-0/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 16:07:32.294 INFO blam! 4f84481b69f1fcea480014f823ba486371392b706028f308c5092c8c8ee17d59
Sep 01 16:07:32.296 INFO running `"docker" "start" "-a" "4f84481b69f1fcea480014f823ba486371392b706028f308c5092c8c8ee17d59"`
Sep 01 16:07:32.926 INFO kablam!     Checking combine v1.3.0
Sep 01 16:07:35.760 INFO kablam!     Checking karaorust v0.0.1 (file:///source)
Sep 01 16:07:37.618 INFO kablam! warning: unused import: `parse_karaoke_file`
Sep 01 16:07:37.618 INFO kablam!  --> src/main.rs:6:18
Sep 01 16:07:37.618 INFO kablam!   |
Sep 01 16:07:37.618 INFO kablam! 6 | use karaorust::{ parse_karaoke_file };
Sep 01 16:07:37.618 INFO kablam!   |                  ^^^^^^^^^^^^^^^^^^
Sep 01 16:07:37.618 INFO kablam!   |
Sep 01 16:07:37.618 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 01 16:07:37.618 INFO kablam! 
Sep 01 16:07:37.678 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.76s
Sep 01 16:07:37.681 INFO kablam! su: No module specific data is present
Sep 01 16:07:38.113 INFO running `"docker" "rm" "-f" "4f84481b69f1fcea480014f823ba486371392b706028f308c5092c8c8ee17d59"`
Sep 01 16:07:38.216 INFO blam! 4f84481b69f1fcea480014f823ba486371392b706028f308c5092c8c8ee17d59