Dec 18 05:33:56.335 INFO checking SCOTPAUL/game_of_life against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 05:33:56.335 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/SCOTPAUL/game_of_life:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 05:33:56.860 INFO [stdout] e8443724bd6c924018f152298050f9dc142c906bcd69fbdbebc006ddf865e026
Dec 18 05:33:56.862 INFO running `"docker" "start" "-a" "e8443724bd6c924018f152298050f9dc142c906bcd69fbdbebc006ddf865e026"`
Dec 18 05:33:58.209 INFO [stderr]     Checking gag v0.1.9
Dec 18 05:33:58.596 INFO [stderr]     Checking rustty v0.1.12
Dec 18 05:33:59.256 INFO [stderr]     Checking game_of_life v0.1.0 (/opt/crater/workdir)
Dec 18 05:33:59.916 INFO [stderr] warning: variable does not need to be mutable
Dec 18 05:33:59.916 INFO [stderr]    --> src/main.rs:103:17
Dec 18 05:33:59.916 INFO [stderr]     |
Dec 18 05:33:59.916 INFO [stderr] 103 |             let mut current_cell = term.get_mut(cursor_pos.x, cursor_pos.y).unwrap();
Dec 18 05:33:59.916 INFO [stderr]     |                 ----^^^^^^^^^^^^
Dec 18 05:33:59.916 INFO [stderr]     |                 |
Dec 18 05:33:59.916 INFO [stderr]     |                 help: remove this `mut`
Dec 18 05:33:59.916 INFO [stderr]     |
Dec 18 05:33:59.916 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 05:33:59.916 INFO [stderr] 
Dec 18 05:33:59.916 INFO [stderr] warning: variable does not need to be mutable
Dec 18 05:33:59.916 INFO [stderr]    --> src/main.rs:122:9
Dec 18 05:33:59.916 INFO [stderr]     |
Dec 18 05:33:59.916 INFO [stderr] 122 |     let mut current_cell = term.get_mut(cursor_pos.x, cursor_pos.y).unwrap();
Dec 18 05:33:59.916 INFO [stderr]     |         ----^^^^^^^^^^^^
Dec 18 05:33:59.916 INFO [stderr]     |         |
Dec 18 05:33:59.916 INFO [stderr]     |         help: remove this `mut`
Dec 18 05:33:59.916 INFO [stderr] 
Dec 18 05:34:00.004 INFO [stderr] warning: variable does not need to be mutable
Dec 18 05:34:00.004 INFO [stderr]    --> src/main.rs:103:17
Dec 18 05:34:00.004 INFO [stderr]     |
Dec 18 05:34:00.004 INFO [stderr] 103 |             let mut current_cell = term.get_mut(cursor_pos.x, cursor_pos.y).unwrap();
Dec 18 05:34:00.004 INFO [stderr]     |                 ----^^^^^^^^^^^^
Dec 18 05:34:00.004 INFO [stderr]     |                 |
Dec 18 05:34:00.004 INFO [stderr]     |                 help: remove this `mut`
Dec 18 05:34:00.004 INFO [stderr]     |
Dec 18 05:34:00.004 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 05:34:00.004 INFO [stderr] 
Dec 18 05:34:00.004 INFO [stderr] warning: variable does not need to be mutable
Dec 18 05:34:00.004 INFO [stderr]    --> src/main.rs:122:9
Dec 18 05:34:00.004 INFO [stderr]     |
Dec 18 05:34:00.004 INFO [stderr] 122 |     let mut current_cell = term.get_mut(cursor_pos.x, cursor_pos.y).unwrap();
Dec 18 05:34:00.004 INFO [stderr]     |         ----^^^^^^^^^^^^
Dec 18 05:34:00.004 INFO [stderr]     |         |
Dec 18 05:34:00.004 INFO [stderr]     |         help: remove this `mut`
Dec 18 05:34:00.004 INFO [stderr] 
Dec 18 05:34:00.054 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.89s
Dec 18 05:34:01.058 INFO running `"docker" "inspect" "e8443724bd6c924018f152298050f9dc142c906bcd69fbdbebc006ddf865e026"`
Dec 18 05:34:01.298 INFO running `"docker" "rm" "-f" "e8443724bd6c924018f152298050f9dc142c906bcd69fbdbebc006ddf865e026"`
Dec 18 05:34:01.548 INFO [stdout] e8443724bd6c924018f152298050f9dc142c906bcd69fbdbebc006ddf865e026