Dec 11 16:02:54.457 INFO checking jrobar/Twelve-Days-of-Christmas against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 16:02:54.457 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 11 16:02:54.748 INFO [stdout] 721aba74a8140cfff265885c86ef50e148fcac2b83959817416fbb87cd016e08
Dec 11 16:02:54.750 INFO running `"docker" "start" "-a" "721aba74a8140cfff265885c86ef50e148fcac2b83959817416fbb87cd016e08"`
Dec 11 16:02:55.434 INFO [stderr] usermod: no changes
Dec 11 16:02:55.468 INFO [stderr]     Checking twelve_days_of_christmas v0.1.0 (/source)
Dec 11 16:02:55.752 INFO [stderr] warning: variable does not need to be mutable
Dec 11 16:02:55.752 INFO [stderr]  --> src/main.rs:6:9
Dec 11 16:02:55.752 INFO [stderr]   |
Dec 11 16:02:55.752 INFO [stderr] 6 |     let mut n = 11;
Dec 11 16:02:55.752 INFO [stderr]   |         ----^
Dec 11 16:02:55.752 INFO [stderr]   |         |
Dec 11 16:02:55.752 INFO [stderr]   |         help: remove this `mut`
Dec 11 16:02:55.752 INFO [stderr]   |
Dec 11 16:02:55.752 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 11 16:02:55.752 INFO [stderr] 
Dec 11 16:02:55.888 INFO [stderr] warning: variable does not need to be mutable
Dec 11 16:02:55.888 INFO [stderr]  --> src/main.rs:6:9
Dec 11 16:02:55.888 INFO [stderr]   |
Dec 11 16:02:55.888 INFO [stderr] 6 |     let mut n = 11;
Dec 11 16:02:55.888 INFO [stderr]   |         ----^
Dec 11 16:02:55.888 INFO [stderr]   |         |
Dec 11 16:02:55.888 INFO [stderr]   |         help: remove this `mut`
Dec 11 16:02:55.888 INFO [stderr]   |
Dec 11 16:02:55.888 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 11 16:02:55.888 INFO [stderr] 
Dec 11 16:02:55.897 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
Dec 11 16:02:55.899 INFO [stderr] su: No module specific data is present
Dec 11 16:02:56.385 INFO running `"docker" "inspect" "721aba74a8140cfff265885c86ef50e148fcac2b83959817416fbb87cd016e08"`
Dec 11 16:02:56.517 INFO running `"docker" "rm" "-f" "721aba74a8140cfff265885c86ef50e148fcac2b83959817416fbb87cd016e08"`
Dec 11 16:02:56.631 INFO [stdout] 721aba74a8140cfff265885c86ef50e148fcac2b83959817416fbb87cd016e08