Nov 02 00:39:47.576 INFO checking classifier-0.0.3 against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 02 00:39:47.576 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-3/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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"`
Nov 02 00:39:47.780 INFO blam! 7e8ae3e28ddaec394ad46d4f74274460ff48d72035933c8b58577fdadb30ae27
Nov 02 00:39:47.786 INFO running `"docker" "start" "-a" "7e8ae3e28ddaec394ad46d4f74274460ff48d72035933c8b58577fdadb30ae27"`
Nov 02 00:39:48.697 INFO kablam! usermod: no changes
Nov 02 00:39:48.785 INFO kablam!     Checking classifier v0.0.3 (/source)
Nov 02 00:39:50.032 INFO kablam! warning: variable does not need to be mutable
Nov 02 00:39:50.032 INFO kablam!   --> src/naive_bayes.rs:51:13
Nov 02 00:39:50.032 INFO kablam!    |
Nov 02 00:39:50.032 INFO kablam! 51 |         let mut classification = self.classifications.get_mut(label).unwrap();
Nov 02 00:39:50.032 INFO kablam!    |             ----^^^^^^^^^^^^^^
Nov 02 00:39:50.032 INFO kablam!    |             |
Nov 02 00:39:50.032 INFO kablam!    |             help: remove this `mut`
Nov 02 00:39:50.032 INFO kablam!    |
Nov 02 00:39:50.032 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 02 00:39:50.032 INFO kablam! 
Nov 02 00:39:50.161 INFO kablam! warning: variable does not need to be mutable
Nov 02 00:39:50.161 INFO kablam!   --> src/naive_bayes.rs:51:13
Nov 02 00:39:50.161 INFO kablam!    |
Nov 02 00:39:50.161 INFO kablam! 51 |         let mut classification = self.classifications.get_mut(label).unwrap();
Nov 02 00:39:50.161 INFO kablam!    |             ----^^^^^^^^^^^^^^
Nov 02 00:39:50.161 INFO kablam!    |             |
Nov 02 00:39:50.161 INFO kablam!    |             help: remove this `mut`
Nov 02 00:39:50.161 INFO kablam!    |
Nov 02 00:39:50.161 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 02 00:39:50.161 INFO kablam! 
Nov 02 00:39:51.606 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.88s
Nov 02 00:39:51.610 INFO kablam! su: No module specific data is present
Nov 02 00:39:51.980 INFO running `"docker" "rm" "-f" "7e8ae3e28ddaec394ad46d4f74274460ff48d72035933c8b58577fdadb30ae27"`
Nov 02 00:39:52.137 INFO blam! 7e8ae3e28ddaec394ad46d4f74274460ff48d72035933c8b58577fdadb30ae27