Dec 18 04:10:17.335 INFO checking alice/aoc against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 04:10:17.335 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/alice/aoc:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 04:10:17.701 INFO [stdout] ba3936c189c5c88b6c93a0ca4990eebed64f2d98cf6db56be0e64e9051ff643d
Dec 18 04:10:17.703 INFO running `"docker" "start" "-a" "ba3936c189c5c88b6c93a0ca4990eebed64f2d98cf6db56be0e64e9051ff643d"`
Dec 18 04:10:18.992 INFO [stderr]    Compiling ndarray v0.11.0
Dec 18 04:10:18.992 INFO [stderr]     Checking itertools v0.7.4
Dec 18 04:10:18.992 INFO [stderr]     Checking num-complex v0.1.41
Dec 18 04:10:29.756 INFO [stderr]     Checking advent_game v0.1.0 (/opt/crater/workdir)
Dec 18 04:10:30.192 INFO [stderr] warning: variable does not need to be mutable
Dec 18 04:10:30.192 INFO [stderr]   --> src/main.rs:28:9
Dec 18 04:10:30.192 INFO [stderr]    |
Dec 18 04:10:30.192 INFO [stderr] 28 |     let mut current_size: usize = START_SIZE;
Dec 18 04:10:30.192 INFO [stderr]    |         ----^^^^^^^^^^^^
Dec 18 04:10:30.192 INFO [stderr]    |         |
Dec 18 04:10:30.192 INFO [stderr]    |         help: remove this `mut`
Dec 18 04:10:30.192 INFO [stderr]    |
Dec 18 04:10:30.192 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 04:10:30.192 INFO [stderr] 
Dec 18 04:10:30.192 INFO [stderr] warning: variable does not need to be mutable
Dec 18 04:10:30.192 INFO [stderr]   --> src/main.rs:34:13
Dec 18 04:10:30.193 INFO [stderr]    |
Dec 18 04:10:30.193 INFO [stderr] 34 |         let mut current_view = grid.slice(s![0..current_size, 0..current_size]);
Dec 18 04:10:30.193 INFO [stderr]    |             ----^^^^^^^^^^^^
Dec 18 04:10:30.193 INFO [stderr]    |             |
Dec 18 04:10:30.193 INFO [stderr]    |             help: remove this `mut`
Dec 18 04:10:30.193 INFO [stderr] 
Dec 18 04:10:30.198 INFO [stderr] warning: variable does not need to be mutable
Dec 18 04:10:30.198 INFO [stderr]   --> src/main.rs:28:9
Dec 18 04:10:30.198 INFO [stderr]    |
Dec 18 04:10:30.198 INFO [stderr] 28 |     let mut current_size: usize = START_SIZE;
Dec 18 04:10:30.198 INFO [stderr]    |         ----^^^^^^^^^^^^
Dec 18 04:10:30.198 INFO [stderr]    |         |
Dec 18 04:10:30.198 INFO [stderr]    |         help: remove this `mut`
Dec 18 04:10:30.198 INFO [stderr]    |
Dec 18 04:10:30.198 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 04:10:30.198 INFO [stderr] 
Dec 18 04:10:30.204 INFO [stderr] warning: variable does not need to be mutable
Dec 18 04:10:30.204 INFO [stderr]   --> src/main.rs:34:13
Dec 18 04:10:30.205 INFO [stderr]    |
Dec 18 04:10:30.205 INFO [stderr] 34 |         let mut current_view = grid.slice(s![0..current_size, 0..current_size]);
Dec 18 04:10:30.205 INFO [stderr]    |             ----^^^^^^^^^^^^
Dec 18 04:10:30.205 INFO [stderr]    |             |
Dec 18 04:10:30.205 INFO [stderr]    |             help: remove this `mut`
Dec 18 04:10:30.206 INFO [stderr] 
Dec 18 04:10:30.292 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.41s
Dec 18 04:10:31.345 INFO running `"docker" "inspect" "ba3936c189c5c88b6c93a0ca4990eebed64f2d98cf6db56be0e64e9051ff643d"`
Dec 18 04:10:31.614 INFO running `"docker" "rm" "-f" "ba3936c189c5c88b6c93a0ca4990eebed64f2d98cf6db56be0e64e9051ff643d"`
Dec 18 04:10:31.984 INFO [stdout] ba3936c189c5c88b6c93a0ca4990eebed64f2d98cf6db56be0e64e9051ff643d