Nov 30 08:45:44.071 INFO checking SCOTPAUL/game_of_life against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 08:45:44.071 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 08:45:44.425 INFO [stdout] cda10bf1dda30adba4e6c15de3489eb3d0399a399085a16f0cd7a7eba1729e0e
Nov 30 08:45:44.428 INFO running `"docker" "start" "-a" "cda10bf1dda30adba4e6c15de3489eb3d0399a399085a16f0cd7a7eba1729e0e"`
Nov 30 08:45:44.833 INFO [stderr] usermod: no changes
Nov 30 08:45:44.892 INFO [stderr]     Checking gag v0.1.9
Nov 30 08:45:45.388 INFO [stderr]     Checking rustty v0.1.12
Nov 30 08:45:46.195 INFO [stderr]     Checking game_of_life v0.1.0 (/source)
Nov 30 08:45:46.787 INFO [stderr] warning: variable does not need to be mutable
Nov 30 08:45:46.787 INFO [stderr]    --> src/main.rs:103:17
Nov 30 08:45:46.787 INFO [stderr]     |
Nov 30 08:45:46.787 INFO [stderr] 103 |             let mut current_cell = term.get_mut(cursor_pos.x, cursor_pos.y).unwrap();
Nov 30 08:45:46.787 INFO [stderr]     |                 ----^^^^^^^^^^^^
Nov 30 08:45:46.787 INFO [stderr]     |                 |
Nov 30 08:45:46.787 INFO [stderr]     |                 help: remove this `mut`
Nov 30 08:45:46.787 INFO [stderr]     |
Nov 30 08:45:46.787 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 08:45:46.787 INFO [stderr] 
Nov 30 08:45:46.787 INFO [stderr] warning: variable does not need to be mutable
Nov 30 08:45:46.787 INFO [stderr]    --> src/main.rs:122:9
Nov 30 08:45:46.787 INFO [stderr]     |
Nov 30 08:45:46.787 INFO [stderr] 122 |     let mut current_cell = term.get_mut(cursor_pos.x, cursor_pos.y).unwrap();
Nov 30 08:45:46.787 INFO [stderr]     |         ----^^^^^^^^^^^^
Nov 30 08:45:46.787 INFO [stderr]     |         |
Nov 30 08:45:46.787 INFO [stderr]     |         help: remove this `mut`
Nov 30 08:45:46.791 INFO [stderr] 
Nov 30 08:45:46.935 INFO [stderr] warning: variable does not need to be mutable
Nov 30 08:45:46.935 INFO [stderr]    --> src/main.rs:103:17
Nov 30 08:45:46.935 INFO [stderr]     |
Nov 30 08:45:46.935 INFO [stderr] 103 |             let mut current_cell = term.get_mut(cursor_pos.x, cursor_pos.y).unwrap();
Nov 30 08:45:46.936 INFO [stderr]     |                 ----^^^^^^^^^^^^
Nov 30 08:45:46.936 INFO [stderr]     |                 |
Nov 30 08:45:46.936 INFO [stderr]     |                 help: remove this `mut`
Nov 30 08:45:46.936 INFO [stderr]     |
Nov 30 08:45:46.936 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 08:45:46.936 INFO [stderr] 
Nov 30 08:45:46.936 INFO [stderr] warning: variable does not need to be mutable
Nov 30 08:45:46.936 INFO [stderr]    --> src/main.rs:122:9
Nov 30 08:45:46.936 INFO [stderr]     |
Nov 30 08:45:46.936 INFO [stderr] 122 |     let mut current_cell = term.get_mut(cursor_pos.x, cursor_pos.y).unwrap();
Nov 30 08:45:46.936 INFO [stderr]     |         ----^^^^^^^^^^^^
Nov 30 08:45:46.936 INFO [stderr]     |         |
Nov 30 08:45:46.936 INFO [stderr]     |         help: remove this `mut`
Nov 30 08:45:46.936 INFO [stderr] 
Nov 30 08:45:46.964 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.11s
Nov 30 08:45:46.969 INFO [stderr] su: No module specific data is present
Nov 30 08:45:48.235 INFO running `"docker" "inspect" "cda10bf1dda30adba4e6c15de3489eb3d0399a399085a16f0cd7a7eba1729e0e"`
Nov 30 08:45:48.442 INFO running `"docker" "rm" "-f" "cda10bf1dda30adba4e6c15de3489eb3d0399a399085a16f0cd7a7eba1729e0e"`
Nov 30 08:45:48.664 INFO [stdout] cda10bf1dda30adba4e6c15de3489eb3d0399a399085a16f0cd7a7eba1729e0e