Dec 05 00:15:35.348 INFO checking SCOTPAUL/game_of_life against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 00:15:35.349 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 00:15:35.577 INFO [stdout] 29380782c027deb68d5a116135b17f031c499cc1ed049c69c27029e917bebddd
Dec 05 00:15:35.579 INFO running `"docker" "start" "-a" "29380782c027deb68d5a116135b17f031c499cc1ed049c69c27029e917bebddd"`
Dec 05 00:15:35.975 INFO [stderr] usermod: no changes
Dec 05 00:15:36.042 INFO [stderr]     Checking gag v0.1.9
Dec 05 00:15:36.483 INFO [stderr]     Checking rustty v0.1.12
Dec 05 00:15:37.259 INFO [stderr]     Checking game_of_life v0.1.0 (/source)
Dec 05 00:15:38.493 INFO [stderr] warning: variable does not need to be mutable
Dec 05 00:15:38.493 INFO [stderr]    --> src/main.rs:103:17
Dec 05 00:15:38.493 INFO [stderr]     |
Dec 05 00:15:38.493 INFO [stderr] 103 |             let mut current_cell = term.get_mut(cursor_pos.x, cursor_pos.y).unwrap();
Dec 05 00:15:38.493 INFO [stderr]     |                 ----^^^^^^^^^^^^
Dec 05 00:15:38.493 INFO [stderr]     |                 |
Dec 05 00:15:38.493 INFO [stderr]     |                 help: remove this `mut`
Dec 05 00:15:38.493 INFO [stderr]     |
Dec 05 00:15:38.493 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 00:15:38.493 INFO [stderr] 
Dec 05 00:15:38.493 INFO [stderr] warning: variable does not need to be mutable
Dec 05 00:15:38.493 INFO [stderr]    --> src/main.rs:122:9
Dec 05 00:15:38.493 INFO [stderr]     |
Dec 05 00:15:38.493 INFO [stderr] 122 |     let mut current_cell = term.get_mut(cursor_pos.x, cursor_pos.y).unwrap();
Dec 05 00:15:38.493 INFO [stderr]     |         ----^^^^^^^^^^^^
Dec 05 00:15:38.493 INFO [stderr]     |         |
Dec 05 00:15:38.493 INFO [stderr]     |         help: remove this `mut`
Dec 05 00:15:38.494 INFO [stderr] 
Dec 05 00:15:38.631 INFO [stderr] warning: variable does not need to be mutable
Dec 05 00:15:38.631 INFO [stderr]    --> src/main.rs:103:17
Dec 05 00:15:38.631 INFO [stderr]     |
Dec 05 00:15:38.631 INFO [stderr] 103 |             let mut current_cell = term.get_mut(cursor_pos.x, cursor_pos.y).unwrap();
Dec 05 00:15:38.631 INFO [stderr]     |                 ----^^^^^^^^^^^^
Dec 05 00:15:38.631 INFO [stderr]     |                 |
Dec 05 00:15:38.631 INFO [stderr]     |                 help: remove this `mut`
Dec 05 00:15:38.631 INFO [stderr]     |
Dec 05 00:15:38.631 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 00:15:38.631 INFO [stderr] 
Dec 05 00:15:38.631 INFO [stderr] warning: variable does not need to be mutable
Dec 05 00:15:38.631 INFO [stderr]    --> src/main.rs:122:9
Dec 05 00:15:38.631 INFO [stderr]     |
Dec 05 00:15:38.631 INFO [stderr] 122 |     let mut current_cell = term.get_mut(cursor_pos.x, cursor_pos.y).unwrap();
Dec 05 00:15:38.631 INFO [stderr]     |         ----^^^^^^^^^^^^
Dec 05 00:15:38.631 INFO [stderr]     |         |
Dec 05 00:15:38.631 INFO [stderr]     |         help: remove this `mut`
Dec 05 00:15:38.631 INFO [stderr] 
Dec 05 00:15:38.675 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.68s
Dec 05 00:15:38.678 INFO [stderr] su: No module specific data is present
Dec 05 00:15:39.431 INFO running `"docker" "inspect" "29380782c027deb68d5a116135b17f031c499cc1ed049c69c27029e917bebddd"`
Dec 05 00:15:39.677 INFO running `"docker" "rm" "-f" "29380782c027deb68d5a116135b17f031c499cc1ed049c69c27029e917bebddd"`
Dec 05 00:15:39.927 INFO [stdout] 29380782c027deb68d5a116135b17f031c499cc1ed049c69c27029e917bebddd