Dec 18 04:10:18.646 INFO checking alice/aoc against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 04:10:18.646 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 04:10:19.113 INFO [stdout] cffdbd1ce94fb89b7d9fad1b526e6eb166d7a8a0e2a8e98784e850ed2550e812
Dec 18 04:10:19.118 INFO running `"docker" "start" "-a" "cffdbd1ce94fb89b7d9fad1b526e6eb166d7a8a0e2a8e98784e850ed2550e812"`
Dec 18 04:10:21.072 INFO [stderr]    Compiling ndarray v0.11.0
Dec 18 04:10:21.072 INFO [stderr]     Checking itertools v0.7.4
Dec 18 04:10:21.072 INFO [stderr]     Checking num-complex v0.1.41
Dec 18 04:10:21.072 INFO [stderr]     Checking regex v0.2.3
Dec 18 04:10:33.392 INFO [stderr]     Checking advent_game v0.1.0 (/opt/crater/workdir)
Dec 18 04:10:33.990 INFO [stderr] warning: variable does not need to be mutable
Dec 18 04:10:33.990 INFO [stderr]   --> src/main.rs:28:9
Dec 18 04:10:33.990 INFO [stderr]    |
Dec 18 04:10:33.990 INFO [stderr] 28 |     let mut current_size: usize = START_SIZE;
Dec 18 04:10:33.990 INFO [stderr]    |         ----^^^^^^^^^^^^
Dec 18 04:10:33.990 INFO [stderr]    |         |
Dec 18 04:10:33.990 INFO [stderr]    |         help: remove this `mut`
Dec 18 04:10:33.990 INFO [stderr]    |
Dec 18 04:10:33.990 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 04:10:33.990 INFO [stderr] 
Dec 18 04:10:33.990 INFO [stderr] warning: variable does not need to be mutable
Dec 18 04:10:33.990 INFO [stderr]   --> src/main.rs:34:13
Dec 18 04:10:33.990 INFO [stderr]    |
Dec 18 04:10:33.990 INFO [stderr] 34 |         let mut current_view = grid.slice(s![0..current_size, 0..current_size]);
Dec 18 04:10:33.990 INFO [stderr]    |             ----^^^^^^^^^^^^
Dec 18 04:10:33.990 INFO [stderr]    |             |
Dec 18 04:10:33.990 INFO [stderr]    |             help: remove this `mut`
Dec 18 04:10:33.990 INFO [stderr] 
Dec 18 04:10:34.016 INFO [stderr] warning: variable does not need to be mutable
Dec 18 04:10:34.016 INFO [stderr]   --> src/main.rs:28:9
Dec 18 04:10:34.016 INFO [stderr]    |
Dec 18 04:10:34.016 INFO [stderr] 28 |     let mut current_size: usize = START_SIZE;
Dec 18 04:10:34.016 INFO [stderr]    |         ----^^^^^^^^^^^^
Dec 18 04:10:34.016 INFO [stderr]    |         |
Dec 18 04:10:34.016 INFO [stderr]    |         help: remove this `mut`
Dec 18 04:10:34.016 INFO [stderr]    |
Dec 18 04:10:34.016 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 04:10:34.016 INFO [stderr] 
Dec 18 04:10:34.016 INFO [stderr] warning: variable does not need to be mutable
Dec 18 04:10:34.016 INFO [stderr]   --> src/main.rs:34:13
Dec 18 04:10:34.016 INFO [stderr]    |
Dec 18 04:10:34.016 INFO [stderr] 34 |         let mut current_view = grid.slice(s![0..current_size, 0..current_size]);
Dec 18 04:10:34.016 INFO [stderr]    |             ----^^^^^^^^^^^^
Dec 18 04:10:34.016 INFO [stderr]    |             |
Dec 18 04:10:34.017 INFO [stderr]    |             help: remove this `mut`
Dec 18 04:10:34.017 INFO [stderr] 
Dec 18 04:10:34.048 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.03s
Dec 18 04:10:34.992 INFO running `"docker" "inspect" "cffdbd1ce94fb89b7d9fad1b526e6eb166d7a8a0e2a8e98784e850ed2550e812"`
Dec 18 04:10:35.278 INFO running `"docker" "rm" "-f" "cffdbd1ce94fb89b7d9fad1b526e6eb166d7a8a0e2a8e98784e850ed2550e812"`
Dec 18 04:10:35.569 INFO [stdout] cffdbd1ce94fb89b7d9fad1b526e6eb166d7a8a0e2a8e98784e850ed2550e812