Dec 19 20:38:47.713 INFO checking alice/aoc against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 20:38:47.713 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 20:38:48.278 INFO [stdout] 72a9a2417c4fca3136595d6f3c138eef40a8c4320d41bf664b814b6b60864354
Dec 19 20:38:48.286 INFO running `"docker" "start" "-a" "72a9a2417c4fca3136595d6f3c138eef40a8c4320d41bf664b814b6b60864354"`
Dec 19 20:38:49.876 INFO [stderr]    Compiling ndarray v0.11.0
Dec 19 20:38:58.655 INFO [stderr]     Checking advent_game v0.1.0 (/opt/crater/workdir)
Dec 19 20:38:59.175 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:38:59.175 INFO [stderr]   --> src/main.rs:28:9
Dec 19 20:38:59.175 INFO [stderr]    |
Dec 19 20:38:59.175 INFO [stderr] 28 |     let mut current_size: usize = START_SIZE;
Dec 19 20:38:59.175 INFO [stderr]    |         ----^^^^^^^^^^^^
Dec 19 20:38:59.175 INFO [stderr]    |         |
Dec 19 20:38:59.175 INFO [stderr]    |         help: remove this `mut`
Dec 19 20:38:59.175 INFO [stderr]    |
Dec 19 20:38:59.175 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 20:38:59.175 INFO [stderr] 
Dec 19 20:38:59.175 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:38:59.175 INFO [stderr]   --> src/main.rs:34:13
Dec 19 20:38:59.175 INFO [stderr]    |
Dec 19 20:38:59.175 INFO [stderr] 34 |         let mut current_view = grid.slice(s![0..current_size, 0..current_size]);
Dec 19 20:38:59.175 INFO [stderr]    |             ----^^^^^^^^^^^^
Dec 19 20:38:59.175 INFO [stderr]    |             |
Dec 19 20:38:59.175 INFO [stderr]    |             help: remove this `mut`
Dec 19 20:38:59.175 INFO [stderr] 
Dec 19 20:38:59.289 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:38:59.289 INFO [stderr]   --> src/main.rs:28:9
Dec 19 20:38:59.289 INFO [stderr]    |
Dec 19 20:38:59.289 INFO [stderr] 28 |     let mut current_size: usize = START_SIZE;
Dec 19 20:38:59.289 INFO [stderr]    |         ----^^^^^^^^^^^^
Dec 19 20:38:59.289 INFO [stderr]    |         |
Dec 19 20:38:59.289 INFO [stderr]    |         help: remove this `mut`
Dec 19 20:38:59.289 INFO [stderr]    |
Dec 19 20:38:59.289 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 20:38:59.289 INFO [stderr] 
Dec 19 20:38:59.290 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:38:59.290 INFO [stderr]   --> src/main.rs:34:13
Dec 19 20:38:59.290 INFO [stderr]    |
Dec 19 20:38:59.290 INFO [stderr] 34 |         let mut current_view = grid.slice(s![0..current_size, 0..current_size]);
Dec 19 20:38:59.290 INFO [stderr]    |             ----^^^^^^^^^^^^
Dec 19 20:38:59.290 INFO [stderr]    |             |
Dec 19 20:38:59.290 INFO [stderr]    |             help: remove this `mut`
Dec 19 20:38:59.290 INFO [stderr] 
Dec 19 20:38:59.340 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.58s
Dec 19 20:39:00.828 INFO running `"docker" "inspect" "72a9a2417c4fca3136595d6f3c138eef40a8c4320d41bf664b814b6b60864354"`
Dec 19 20:39:01.104 INFO running `"docker" "rm" "-f" "72a9a2417c4fca3136595d6f3c138eef40a8c4320d41bf664b814b6b60864354"`
Dec 19 20:39:01.460 INFO [stdout] 72a9a2417c4fca3136595d6f3c138eef40a8c4320d41bf664b814b6b60864354