Dec 01 00:36:36.552 INFO checking classifier-0.0.3 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Dec 01 00:36:36.552 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 01 00:36:36.781 INFO [stdout] a55b137c99d2e88a64eb76370376be505aa084695e845879f50bd2be44289071
Dec 01 00:36:36.782 INFO running `"docker" "start" "-a" "a55b137c99d2e88a64eb76370376be505aa084695e845879f50bd2be44289071"`
Dec 01 00:36:37.311 INFO [stderr] usermod: no changes
Dec 01 00:36:37.359 INFO [stderr]     Checking classifier v0.0.3 (/source)
Dec 01 00:36:38.648 INFO [stderr] warning: variable does not need to be mutable
Dec 01 00:36:38.648 INFO [stderr]   --> src/naive_bayes.rs:51:13
Dec 01 00:36:38.648 INFO [stderr]    |
Dec 01 00:36:38.648 INFO [stderr] 51 |         let mut classification = self.classifications.get_mut(label).unwrap();
Dec 01 00:36:38.648 INFO [stderr]    |             ----^^^^^^^^^^^^^^
Dec 01 00:36:38.648 INFO [stderr]    |             |
Dec 01 00:36:38.648 INFO [stderr]    |             help: remove this `mut`
Dec 01 00:36:38.648 INFO [stderr]    |
Dec 01 00:36:38.648 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 01 00:36:38.648 INFO [stderr] 
Dec 01 00:36:38.848 INFO [stderr] warning: variable does not need to be mutable
Dec 01 00:36:38.848 INFO [stderr]   --> src/naive_bayes.rs:51:13
Dec 01 00:36:38.849 INFO [stderr]    |
Dec 01 00:36:38.849 INFO [stderr] 51 |         let mut classification = self.classifications.get_mut(label).unwrap();
Dec 01 00:36:38.849 INFO [stderr]    |             ----^^^^^^^^^^^^^^
Dec 01 00:36:38.849 INFO [stderr]    |             |
Dec 01 00:36:38.850 INFO [stderr]    |             help: remove this `mut`
Dec 01 00:36:38.850 INFO [stderr]    |
Dec 01 00:36:38.850 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 01 00:36:38.850 INFO [stderr] 
Dec 01 00:36:40.313 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.98s
Dec 01 00:36:40.317 INFO [stderr] su: No module specific data is present
Dec 01 00:36:40.846 INFO running `"docker" "inspect" "a55b137c99d2e88a64eb76370376be505aa084695e845879f50bd2be44289071"`
Dec 01 00:36:41.032 INFO running `"docker" "rm" "-f" "a55b137c99d2e88a64eb76370376be505aa084695e845879f50bd2be44289071"`
Dec 01 00:36:41.388 INFO [stdout] a55b137c99d2e88a64eb76370376be505aa084695e845879f50bd2be44289071