Dec 05 15:20:23.052 INFO checking classifier-0.0.3 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 15:20:23.052 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 05 15:20:23.261 INFO [stdout] 46c474fe9e8781bc3bfb948b65a17e93810b74644f683844661952e9d4d49b6a
Dec 05 15:20:23.268 INFO running `"docker" "start" "-a" "46c474fe9e8781bc3bfb948b65a17e93810b74644f683844661952e9d4d49b6a"`
Dec 05 15:20:23.921 INFO [stderr] usermod: no changes
Dec 05 15:20:24.047 INFO [stderr]     Checking classifier v0.0.3 (/source)
Dec 05 15:20:25.583 INFO [stderr] warning: variable does not need to be mutable
Dec 05 15:20:25.583 INFO [stderr]   --> src/naive_bayes.rs:51:13
Dec 05 15:20:25.583 INFO [stderr]    |
Dec 05 15:20:25.583 INFO [stderr] 51 |         let mut classification = self.classifications.get_mut(label).unwrap();
Dec 05 15:20:25.583 INFO [stderr]    |             ----^^^^^^^^^^^^^^
Dec 05 15:20:25.583 INFO [stderr]    |             |
Dec 05 15:20:25.583 INFO [stderr]    |             help: remove this `mut`
Dec 05 15:20:25.583 INFO [stderr]    |
Dec 05 15:20:25.583 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 15:20:25.583 INFO [stderr] 
Dec 05 15:20:25.711 INFO [stderr] warning: variable does not need to be mutable
Dec 05 15:20:25.711 INFO [stderr]   --> src/naive_bayes.rs:51:13
Dec 05 15:20:25.711 INFO [stderr]    |
Dec 05 15:20:25.711 INFO [stderr] 51 |         let mut classification = self.classifications.get_mut(label).unwrap();
Dec 05 15:20:25.711 INFO [stderr]    |             ----^^^^^^^^^^^^^^
Dec 05 15:20:25.711 INFO [stderr]    |             |
Dec 05 15:20:25.711 INFO [stderr]    |             help: remove this `mut`
Dec 05 15:20:25.711 INFO [stderr]    |
Dec 05 15:20:25.711 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 15:20:25.711 INFO [stderr] 
Dec 05 15:20:27.271 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.31s
Dec 05 15:20:27.274 INFO [stderr] su: No module specific data is present
Dec 05 15:20:27.672 INFO running `"docker" "inspect" "46c474fe9e8781bc3bfb948b65a17e93810b74644f683844661952e9d4d49b6a"`
Dec 05 15:20:27.768 INFO running `"docker" "rm" "-f" "46c474fe9e8781bc3bfb948b65a17e93810b74644f683844661952e9d4d49b6a"`
Dec 05 15:20:27.921 INFO [stdout] 46c474fe9e8781bc3bfb948b65a17e93810b74644f683844661952e9d4d49b6a