Dec 12 16:38:14.557 INFO checking classifier-0.0.3 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 16:38:14.557 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 12 16:38:14.751 INFO [stdout] 8a493f51fa54901eff0f5f93d90f0072eaa35b2ea45daff9554f3cef73617619
Dec 12 16:38:14.755 INFO running `"docker" "start" "-a" "8a493f51fa54901eff0f5f93d90f0072eaa35b2ea45daff9554f3cef73617619"`
Dec 12 16:38:15.412 INFO [stderr] usermod: no changes
Dec 12 16:38:15.489 INFO [stderr]     Checking classifier v0.0.3 (/source)
Dec 12 16:38:16.892 INFO [stderr] warning: variable does not need to be mutable
Dec 12 16:38:16.892 INFO [stderr]   --> src/naive_bayes.rs:51:13
Dec 12 16:38:16.892 INFO [stderr]    |
Dec 12 16:38:16.892 INFO [stderr] 51 |         let mut classification = self.classifications.get_mut(label).unwrap();
Dec 12 16:38:16.892 INFO [stderr]    |             ----^^^^^^^^^^^^^^
Dec 12 16:38:16.892 INFO [stderr]    |             |
Dec 12 16:38:16.892 INFO [stderr]    |             help: remove this `mut`
Dec 12 16:38:16.892 INFO [stderr]    |
Dec 12 16:38:16.892 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 16:38:16.892 INFO [stderr] 
Dec 12 16:38:17.132 INFO [stderr] warning: variable does not need to be mutable
Dec 12 16:38:17.132 INFO [stderr]   --> src/naive_bayes.rs:51:13
Dec 12 16:38:17.132 INFO [stderr]    |
Dec 12 16:38:17.132 INFO [stderr] 51 |         let mut classification = self.classifications.get_mut(label).unwrap();
Dec 12 16:38:17.132 INFO [stderr]    |             ----^^^^^^^^^^^^^^
Dec 12 16:38:17.132 INFO [stderr]    |             |
Dec 12 16:38:17.132 INFO [stderr]    |             help: remove this `mut`
Dec 12 16:38:17.132 INFO [stderr]    |
Dec 12 16:38:17.132 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 16:38:17.132 INFO [stderr] 
Dec 12 16:38:18.612 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.17s
Dec 12 16:38:18.632 INFO [stderr] su: No module specific data is present
Dec 12 16:38:19.066 INFO running `"docker" "inspect" "8a493f51fa54901eff0f5f93d90f0072eaa35b2ea45daff9554f3cef73617619"`
Dec 12 16:38:19.134 INFO running `"docker" "rm" "-f" "8a493f51fa54901eff0f5f93d90f0072eaa35b2ea45daff9554f3cef73617619"`
Dec 12 16:38:19.253 INFO [stdout] 8a493f51fa54901eff0f5f93d90f0072eaa35b2ea45daff9554f3cef73617619