Dec 04 16:21:03.788 INFO checking jrobar/Twelve-Days-of-Christmas against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 16:21:03.788 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 16:21:04.221 INFO [stdout] bd54adcab10ddd0d58d927a1512cb518b81ac57d5b0170c040b3a73f79e72835
Dec 04 16:21:04.231 INFO running `"docker" "start" "-a" "bd54adcab10ddd0d58d927a1512cb518b81ac57d5b0170c040b3a73f79e72835"`
Dec 04 16:21:05.147 INFO [stderr] usermod: no changes
Dec 04 16:21:05.203 INFO [stderr]     Checking twelve_days_of_christmas v0.1.0 (/source)
Dec 04 16:21:05.739 INFO [stderr] warning: variable does not need to be mutable
Dec 04 16:21:05.739 INFO [stderr]  --> src/main.rs:6:9
Dec 04 16:21:05.739 INFO [stderr]   |
Dec 04 16:21:05.739 INFO [stderr] 6 |     let mut n = 11;
Dec 04 16:21:05.739 INFO [stderr]   |         ----^
Dec 04 16:21:05.739 INFO [stderr]   |         |
Dec 04 16:21:05.739 INFO [stderr]   |         help: remove this `mut`
Dec 04 16:21:05.739 INFO [stderr]   |
Dec 04 16:21:05.739 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 04 16:21:05.739 INFO [stderr] 
Dec 04 16:21:05.851 INFO [stderr] warning: variable does not need to be mutable
Dec 04 16:21:05.851 INFO [stderr]  --> src/main.rs:6:9
Dec 04 16:21:05.851 INFO [stderr]   |
Dec 04 16:21:05.851 INFO [stderr] 6 |     let mut n = 11;
Dec 04 16:21:05.851 INFO [stderr]   |         ----^
Dec 04 16:21:05.851 INFO [stderr]   |         |
Dec 04 16:21:05.851 INFO [stderr]   |         help: remove this `mut`
Dec 04 16:21:05.851 INFO [stderr]   |
Dec 04 16:21:05.851 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 04 16:21:05.851 INFO [stderr] 
Dec 04 16:21:05.867 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
Dec 04 16:21:05.879 INFO [stderr] su: No module specific data is present
Dec 04 16:21:06.629 INFO running `"docker" "inspect" "bd54adcab10ddd0d58d927a1512cb518b81ac57d5b0170c040b3a73f79e72835"`
Dec 04 16:21:06.910 INFO running `"docker" "rm" "-f" "bd54adcab10ddd0d58d927a1512cb518b81ac57d5b0170c040b3a73f79e72835"`
Dec 04 16:21:07.115 INFO [stdout] bd54adcab10ddd0d58d927a1512cb518b81ac57d5b0170c040b3a73f79e72835