Dec 04 17:43:18.915 INFO checking henryroyal/cli-gcd against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 17:43:18.915 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"`
Dec 04 17:43:19.339 INFO [stdout] 6fef87035c17f4980718b0572a6d1ef07304bca6f7337597c88c9e94627fc6c5
Dec 04 17:43:19.345 INFO running `"docker" "start" "-a" "6fef87035c17f4980718b0572a6d1ef07304bca6f7337597c88c9e94627fc6c5"`
Dec 04 17:43:20.623 INFO [stderr] usermod: no changes
Dec 04 17:43:20.687 INFO [stderr]     Checking gcd v0.1.0 (/source)
Dec 04 17:43:21.019 INFO [stderr] warning: variable does not need to be mutable
Dec 04 17:43:21.019 INFO [stderr]   --> src/main.rs:37:9
Dec 04 17:43:21.019 INFO [stderr]    |
Dec 04 17:43:21.019 INFO [stderr] 37 |     let mut split = buffer.split_whitespace();
Dec 04 17:43:21.019 INFO [stderr]    |         ----^^^^^
Dec 04 17:43:21.019 INFO [stderr]    |         |
Dec 04 17:43:21.019 INFO [stderr]    |         help: remove this `mut`
Dec 04 17:43:21.019 INFO [stderr]    |
Dec 04 17:43:21.019 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 17:43:21.019 INFO [stderr] 
Dec 04 17:43:21.021 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 17:43:21.021 INFO [stderr]   --> src/main.rs:34:5
Dec 04 17:43:21.021 INFO [stderr]    |
Dec 04 17:43:21.021 INFO [stderr] 34 |     stdin.read_line(&mut buffer);
Dec 04 17:43:21.021 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 17:43:21.021 INFO [stderr]    |
Dec 04 17:43:21.021 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 17:43:21.021 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 17:43:21.021 INFO [stderr] 
Dec 04 17:43:21.136 INFO [stderr] warning: variable does not need to be mutable
Dec 04 17:43:21.136 INFO [stderr]   --> src/main.rs:37:9
Dec 04 17:43:21.136 INFO [stderr]    |
Dec 04 17:43:21.136 INFO [stderr] 37 |     let mut split = buffer.split_whitespace();
Dec 04 17:43:21.137 INFO [stderr]    |         ----^^^^^
Dec 04 17:43:21.137 INFO [stderr]    |         |
Dec 04 17:43:21.137 INFO [stderr]    |         help: remove this `mut`
Dec 04 17:43:21.137 INFO [stderr]    |
Dec 04 17:43:21.137 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 17:43:21.137 INFO [stderr] 
Dec 04 17:43:21.137 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 17:43:21.137 INFO [stderr]   --> src/main.rs:34:5
Dec 04 17:43:21.137 INFO [stderr]    |
Dec 04 17:43:21.137 INFO [stderr] 34 |     stdin.read_line(&mut buffer);
Dec 04 17:43:21.137 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 17:43:21.137 INFO [stderr]    |
Dec 04 17:43:21.137 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 17:43:21.137 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 17:43:21.137 INFO [stderr] 
Dec 04 17:43:21.162 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
Dec 04 17:43:21.165 INFO [stderr] su: No module specific data is present
Dec 04 17:43:21.987 INFO running `"docker" "inspect" "6fef87035c17f4980718b0572a6d1ef07304bca6f7337597c88c9e94627fc6c5"`
Dec 04 17:43:22.349 INFO running `"docker" "rm" "-f" "6fef87035c17f4980718b0572a6d1ef07304bca6f7337597c88c9e94627fc6c5"`
Dec 04 17:43:22.690 INFO [stdout] 6fef87035c17f4980718b0572a6d1ef07304bca6f7337597c88c9e94627fc6c5