Dec 12 00:28:17.804 INFO checking SCOTPAUL/game_of_life against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 00:28:17.805 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 00:28:18.040 INFO [stdout] c616e0c2cc19bf017cf0cfce46868ab84318e52f2806323d47cc472cf96af507
Dec 12 00:28:18.052 INFO running `"docker" "start" "-a" "c616e0c2cc19bf017cf0cfce46868ab84318e52f2806323d47cc472cf96af507"`
Dec 12 00:28:18.542 INFO [stderr] usermod: no changes
Dec 12 00:28:18.629 INFO [stderr]     Checking gag v0.1.9
Dec 12 00:28:19.107 INFO [stderr]     Checking rustty v0.1.12
Dec 12 00:28:19.921 INFO [stderr]     Checking game_of_life v0.1.0 (/source)
Dec 12 00:28:20.975 INFO [stderr] warning: variable does not need to be mutable
Dec 12 00:28:20.976 INFO [stderr]    --> src/main.rs:103:17
Dec 12 00:28:20.976 INFO [stderr]     |
Dec 12 00:28:20.976 INFO [stderr] 103 |             let mut current_cell = term.get_mut(cursor_pos.x, cursor_pos.y).unwrap();
Dec 12 00:28:20.976 INFO [stderr]     |                 ----^^^^^^^^^^^^
Dec 12 00:28:20.977 INFO [stderr]     |                 |
Dec 12 00:28:20.977 INFO [stderr]     |                 help: remove this `mut`
Dec 12 00:28:20.977 INFO [stderr]     |
Dec 12 00:28:20.978 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 00:28:20.978 INFO [stderr] 
Dec 12 00:28:20.978 INFO [stderr] warning: variable does not need to be mutable
Dec 12 00:28:20.978 INFO [stderr]    --> src/main.rs:122:9
Dec 12 00:28:20.979 INFO [stderr]     |
Dec 12 00:28:20.979 INFO [stderr] 122 |     let mut current_cell = term.get_mut(cursor_pos.x, cursor_pos.y).unwrap();
Dec 12 00:28:20.979 INFO [stderr]     |         ----^^^^^^^^^^^^
Dec 12 00:28:20.979 INFO [stderr]     |         |
Dec 12 00:28:20.979 INFO [stderr]     |         help: remove this `mut`
Dec 12 00:28:20.980 INFO [stderr] 
Dec 12 00:28:21.080 INFO [stderr] warning: variable does not need to be mutable
Dec 12 00:28:21.081 INFO [stderr]    --> src/main.rs:103:17
Dec 12 00:28:21.081 INFO [stderr]     |
Dec 12 00:28:21.081 INFO [stderr] 103 |             let mut current_cell = term.get_mut(cursor_pos.x, cursor_pos.y).unwrap();
Dec 12 00:28:21.081 INFO [stderr]     |                 ----^^^^^^^^^^^^
Dec 12 00:28:21.082 INFO [stderr]     |                 |
Dec 12 00:28:21.082 INFO [stderr]     |                 help: remove this `mut`
Dec 12 00:28:21.082 INFO [stderr]     |
Dec 12 00:28:21.082 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 00:28:21.082 INFO [stderr] 
Dec 12 00:28:21.083 INFO [stderr] warning: variable does not need to be mutable
Dec 12 00:28:21.083 INFO [stderr]    --> src/main.rs:122:9
Dec 12 00:28:21.083 INFO [stderr]     |
Dec 12 00:28:21.083 INFO [stderr] 122 |     let mut current_cell = term.get_mut(cursor_pos.x, cursor_pos.y).unwrap();
Dec 12 00:28:21.084 INFO [stderr]     |         ----^^^^^^^^^^^^
Dec 12 00:28:21.084 INFO [stderr]     |         |
Dec 12 00:28:21.084 INFO [stderr]     |         help: remove this `mut`
Dec 12 00:28:21.084 INFO [stderr] 
Dec 12 00:28:21.117 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.54s
Dec 12 00:28:21.121 INFO [stderr] su: No module specific data is present
Dec 12 00:28:22.143 INFO running `"docker" "inspect" "c616e0c2cc19bf017cf0cfce46868ab84318e52f2806323d47cc472cf96af507"`
Dec 12 00:28:22.468 INFO running `"docker" "rm" "-f" "c616e0c2cc19bf017cf0cfce46868ab84318e52f2806323d47cc472cf96af507"`
Dec 12 00:28:22.764 INFO [stdout] c616e0c2cc19bf017cf0cfce46868ab84318e52f2806323d47cc472cf96af507