Dec 12 00:28:18.165 INFO checking SCOTPAUL/game_of_life against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 00:28:18.166 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 12 00:28:18.495 INFO [stdout] aa91c73757461b6d22032bb6bb5f9b1196e6c9af67e25ed958d295431fc35868
Dec 12 00:28:18.507 INFO running `"docker" "start" "-a" "aa91c73757461b6d22032bb6bb5f9b1196e6c9af67e25ed958d295431fc35868"`
Dec 12 00:28:19.060 INFO [stderr] usermod: no changes
Dec 12 00:28:19.121 INFO [stderr]     Checking gag v0.1.9
Dec 12 00:28:19.611 INFO [stderr]     Checking rustty v0.1.12
Dec 12 00:28:20.447 INFO [stderr]     Checking game_of_life v0.1.0 (/source)
Dec 12 00:28:21.324 INFO [stderr] warning: variable does not need to be mutable
Dec 12 00:28:21.324 INFO [stderr]    --> src/main.rs:103:17
Dec 12 00:28:21.324 INFO [stderr]     |
Dec 12 00:28:21.324 INFO [stderr] 103 |             let mut current_cell = term.get_mut(cursor_pos.x, cursor_pos.y).unwrap();
Dec 12 00:28:21.324 INFO [stderr]     |                 ----^^^^^^^^^^^^
Dec 12 00:28:21.324 INFO [stderr]     |                 |
Dec 12 00:28:21.324 INFO [stderr]     |                 help: remove this `mut`
Dec 12 00:28:21.324 INFO [stderr]     |
Dec 12 00:28:21.324 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 00:28:21.324 INFO [stderr] 
Dec 12 00:28:21.324 INFO [stderr] warning: variable does not need to be mutable
Dec 12 00:28:21.324 INFO [stderr]    --> src/main.rs:122:9
Dec 12 00:28:21.324 INFO [stderr]     |
Dec 12 00:28:21.324 INFO [stderr] 122 |     let mut current_cell = term.get_mut(cursor_pos.x, cursor_pos.y).unwrap();
Dec 12 00:28:21.324 INFO [stderr]     |         ----^^^^^^^^^^^^
Dec 12 00:28:21.324 INFO [stderr]     |         |
Dec 12 00:28:21.324 INFO [stderr]     |         help: remove this `mut`
Dec 12 00:28:21.324 INFO [stderr] 
Dec 12 00:28:21.460 INFO [stderr] warning: variable does not need to be mutable
Dec 12 00:28:21.460 INFO [stderr]    --> src/main.rs:103:17
Dec 12 00:28:21.460 INFO [stderr]     |
Dec 12 00:28:21.460 INFO [stderr] 103 |             let mut current_cell = term.get_mut(cursor_pos.x, cursor_pos.y).unwrap();
Dec 12 00:28:21.460 INFO [stderr]     |                 ----^^^^^^^^^^^^
Dec 12 00:28:21.460 INFO [stderr]     |                 |
Dec 12 00:28:21.460 INFO [stderr]     |                 help: remove this `mut`
Dec 12 00:28:21.460 INFO [stderr]     |
Dec 12 00:28:21.460 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 00:28:21.460 INFO [stderr] 
Dec 12 00:28:21.460 INFO [stderr] warning: variable does not need to be mutable
Dec 12 00:28:21.460 INFO [stderr]    --> src/main.rs:122:9
Dec 12 00:28:21.460 INFO [stderr]     |
Dec 12 00:28:21.460 INFO [stderr] 122 |     let mut current_cell = term.get_mut(cursor_pos.x, cursor_pos.y).unwrap();
Dec 12 00:28:21.460 INFO [stderr]     |         ----^^^^^^^^^^^^
Dec 12 00:28:21.460 INFO [stderr]     |         |
Dec 12 00:28:21.460 INFO [stderr]     |         help: remove this `mut`
Dec 12 00:28:21.460 INFO [stderr] 
Dec 12 00:28:21.527 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.45s
Dec 12 00:28:21.532 INFO [stderr] su: No module specific data is present
Dec 12 00:28:22.378 INFO running `"docker" "inspect" "aa91c73757461b6d22032bb6bb5f9b1196e6c9af67e25ed958d295431fc35868"`
Dec 12 00:28:22.628 INFO running `"docker" "rm" "-f" "aa91c73757461b6d22032bb6bb5f9b1196e6c9af67e25ed958d295431fc35868"`
Dec 12 00:28:22.992 INFO [stdout] aa91c73757461b6d22032bb6bb5f9b1196e6c9af67e25ed958d295431fc35868