Nov 01 20:46:12.022 INFO checking karaorust-0.0.1 against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 20:46:12.022 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-1/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +d7816399d50d407bbce1efe9dbadf8faaaf568fc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 20:46:12.240 INFO blam! f24e3326195ee65d9f2b653129c95e526983491b75227a67549e7b3166fab177
Nov 01 20:46:12.241 INFO running `"docker" "start" "-a" "f24e3326195ee65d9f2b653129c95e526983491b75227a67549e7b3166fab177"`
Nov 01 20:46:13.112 INFO kablam! usermod: no changes
Nov 01 20:46:13.145 INFO kablam!     Checking karaorust v0.0.1 (/source)
Nov 01 20:46:14.664 INFO kablam! warning: unused import: `parse_karaoke_file`
Nov 01 20:46:14.664 INFO kablam!  --> src/main.rs:6:18
Nov 01 20:46:14.664 INFO kablam!   |
Nov 01 20:46:14.664 INFO kablam! 6 | use karaorust::{ parse_karaoke_file };
Nov 01 20:46:14.664 INFO kablam!   |                  ^^^^^^^^^^^^^^^^^^
Nov 01 20:46:14.664 INFO kablam!   |
Nov 01 20:46:14.664 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 20:46:14.664 INFO kablam! 
Nov 01 20:46:14.707 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
Nov 01 20:46:14.710 INFO kablam! su: No module specific data is present
Nov 01 20:46:15.073 INFO running `"docker" "rm" "-f" "f24e3326195ee65d9f2b653129c95e526983491b75227a67549e7b3166fab177"`
Nov 01 20:46:15.436 INFO blam! f24e3326195ee65d9f2b653129c95e526983491b75227a67549e7b3166fab177