Sep 04 13:00:33.530 INFO checking karaorust-0.0.1 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 13:00:33.531 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 13:00:33.531 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-1/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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 +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 13:00:33.702 INFO blam! 1cb811a5caf345044ecc70016e8708a9f48f7782625515a1dd7a4b6a2052a384
Sep 04 13:00:33.704 INFO running `"docker" "start" "-a" "1cb811a5caf345044ecc70016e8708a9f48f7782625515a1dd7a4b6a2052a384"`
Sep 04 13:00:34.344 INFO kablam!     Checking combine v1.3.0
Sep 04 13:00:37.764 INFO kablam!     Checking karaorust v0.0.1 (file:///source)
Sep 04 13:00:39.400 INFO kablam! warning: unused import: `parse_karaoke_file`
Sep 04 13:00:39.400 INFO kablam!  --> src/main.rs:6:18
Sep 04 13:00:39.400 INFO kablam!   |
Sep 04 13:00:39.400 INFO kablam! 6 | use karaorust::{ parse_karaoke_file };
Sep 04 13:00:39.400 INFO kablam!   |                  ^^^^^^^^^^^^^^^^^^
Sep 04 13:00:39.400 INFO kablam!   |
Sep 04 13:00:39.400 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 04 13:00:39.400 INFO kablam! 
Sep 04 13:00:39.465 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.14s
Sep 04 13:00:39.469 INFO kablam! su: No module specific data is present
Sep 04 13:00:39.822 INFO running `"docker" "rm" "-f" "1cb811a5caf345044ecc70016e8708a9f48f7782625515a1dd7a4b6a2052a384"`
Sep 04 13:00:39.958 INFO blam! 1cb811a5caf345044ecc70016e8708a9f48f7782625515a1dd7a4b6a2052a384