Dec 05 15:20:22.956 INFO checking classifier-0.0.3 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 15:20:22.956 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 05 15:20:23.197 INFO [stdout] bfffaa6eb8d446fcb2138a57c0ee71aa88f3074ff81e629a7f876676fc6ab7be
Dec 05 15:20:23.200 INFO running `"docker" "start" "-a" "bfffaa6eb8d446fcb2138a57c0ee71aa88f3074ff81e629a7f876676fc6ab7be"`
Dec 05 15:20:23.687 INFO [stderr] usermod: no changes
Dec 05 15:20:23.751 INFO [stderr]     Checking classifier v0.0.3 (/source)
Dec 05 15:20:25.140 INFO [stderr] warning: variable does not need to be mutable
Dec 05 15:20:25.140 INFO [stderr]   --> src/naive_bayes.rs:51:13
Dec 05 15:20:25.140 INFO [stderr]    |
Dec 05 15:20:25.141 INFO [stderr] 51 |         let mut classification = self.classifications.get_mut(label).unwrap();
Dec 05 15:20:25.141 INFO [stderr]    |             ----^^^^^^^^^^^^^^
Dec 05 15:20:25.141 INFO [stderr]    |             |
Dec 05 15:20:25.142 INFO [stderr]    |             help: remove this `mut`
Dec 05 15:20:25.142 INFO [stderr]    |
Dec 05 15:20:25.142 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 15:20:25.143 INFO [stderr] 
Dec 05 15:20:25.283 INFO [stderr] warning: variable does not need to be mutable
Dec 05 15:20:25.283 INFO [stderr]   --> src/naive_bayes.rs:51:13
Dec 05 15:20:25.283 INFO [stderr]    |
Dec 05 15:20:25.283 INFO [stderr] 51 |         let mut classification = self.classifications.get_mut(label).unwrap();
Dec 05 15:20:25.283 INFO [stderr]    |             ----^^^^^^^^^^^^^^
Dec 05 15:20:25.283 INFO [stderr]    |             |
Dec 05 15:20:25.283 INFO [stderr]    |             help: remove this `mut`
Dec 05 15:20:25.283 INFO [stderr]    |
Dec 05 15:20:25.283 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 15:20:25.283 INFO [stderr] 
Dec 05 15:20:26.708 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.99s
Dec 05 15:20:26.711 INFO [stderr] su: No module specific data is present
Dec 05 15:20:27.207 INFO running `"docker" "inspect" "bfffaa6eb8d446fcb2138a57c0ee71aa88f3074ff81e629a7f876676fc6ab7be"`
Dec 05 15:20:27.302 INFO running `"docker" "rm" "-f" "bfffaa6eb8d446fcb2138a57c0ee71aa88f3074ff81e629a7f876676fc6ab7be"`
Dec 05 15:20:27.469 INFO [stdout] bfffaa6eb8d446fcb2138a57c0ee71aa88f3074ff81e629a7f876676fc6ab7be