Oct 13 16:49:40.044 INFO checking classifier-0.0.3 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 16:49:40.044 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-5/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 16:49:40.254 INFO blam! d23ef21276a762365d417966096b3f05f91d19437852f05adb0c31ea20715b5f
Oct 13 16:49:40.256 INFO running `"docker" "start" "-a" "d23ef21276a762365d417966096b3f05f91d19437852f05adb0c31ea20715b5f"`
Oct 13 16:49:40.617 INFO kablam! usermod: no changes
Oct 13 16:49:40.657 INFO kablam!     Checking classifier v0.0.3 (/source)
Oct 13 16:49:42.360 INFO kablam! warning: variable does not need to be mutable
Oct 13 16:49:42.360 INFO kablam!   --> src/naive_bayes.rs:51:13
Oct 13 16:49:42.360 INFO kablam!    |
Oct 13 16:49:42.360 INFO kablam! 51 |         let mut classification = self.classifications.get_mut(label).unwrap();
Oct 13 16:49:42.361 INFO kablam!    |             ----^^^^^^^^^^^^^^
Oct 13 16:49:42.361 INFO kablam!    |             |
Oct 13 16:49:42.361 INFO kablam!    |             help: remove this `mut`
Oct 13 16:49:42.361 INFO kablam!    |
Oct 13 16:49:42.361 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 16:49:42.361 INFO kablam! 
Oct 13 16:49:42.877 INFO kablam! warning: variable does not need to be mutable
Oct 13 16:49:42.877 INFO kablam!   --> src/naive_bayes.rs:51:13
Oct 13 16:49:42.877 INFO kablam!    |
Oct 13 16:49:42.877 INFO kablam! 51 |         let mut classification = self.classifications.get_mut(label).unwrap();
Oct 13 16:49:42.877 INFO kablam!    |             ----^^^^^^^^^^^^^^
Oct 13 16:49:42.877 INFO kablam!    |             |
Oct 13 16:49:42.877 INFO kablam!    |             help: remove this `mut`
Oct 13 16:49:42.877 INFO kablam!    |
Oct 13 16:49:42.877 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 16:49:42.877 INFO kablam! 
Oct 13 16:49:44.116 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.48s
Oct 13 16:49:44.120 INFO kablam! su: No module specific data is present
Oct 13 16:49:44.575 INFO running `"docker" "rm" "-f" "d23ef21276a762365d417966096b3f05f91d19437852f05adb0c31ea20715b5f"`
Oct 13 16:49:44.732 INFO blam! d23ef21276a762365d417966096b3f05f91d19437852f05adb0c31ea20715b5f