Dec 11 22:47:13.486 INFO checking alice/aoc against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 22:47:13.486 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 11 22:47:13.960 INFO [stdout] afd68a1f3e14ff518e154abb067a3c6a27dedc78ce27c2ecd61286f3b92c63f9
Dec 11 22:47:13.966 INFO running `"docker" "start" "-a" "afd68a1f3e14ff518e154abb067a3c6a27dedc78ce27c2ecd61286f3b92c63f9"`
Dec 11 22:47:15.256 INFO [stderr] usermod: no changes
Dec 11 22:47:15.396 INFO [stderr]     Checking libc v0.2.34
Dec 11 22:47:15.396 INFO [stderr]     Checking itertools v0.7.4
Dec 11 22:47:17.786 INFO [stderr]     Checking memchr v2.0.1
Dec 11 22:47:18.580 INFO [stderr]     Checking ndarray v0.11.0
Dec 11 22:47:18.716 INFO [stderr]     Checking aho-corasick v0.6.4
Dec 11 22:47:20.229 INFO [stderr]     Checking regex v0.2.3
Dec 11 22:47:29.827 INFO [stderr]     Checking advent_game v0.1.0 (/source)
Dec 11 22:47:30.528 INFO [stderr] warning: variable does not need to be mutable
Dec 11 22:47:30.528 INFO [stderr]   --> src/main.rs:28:9
Dec 11 22:47:30.528 INFO [stderr]    |
Dec 11 22:47:30.528 INFO [stderr] 28 |     let mut current_size: usize = START_SIZE;
Dec 11 22:47:30.528 INFO [stderr]    |         ----^^^^^^^^^^^^
Dec 11 22:47:30.528 INFO [stderr]    |         |
Dec 11 22:47:30.528 INFO [stderr]    |         help: remove this `mut`
Dec 11 22:47:30.528 INFO [stderr]    |
Dec 11 22:47:30.528 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 22:47:30.528 INFO [stderr] 
Dec 11 22:47:30.528 INFO [stderr] warning: variable does not need to be mutable
Dec 11 22:47:30.528 INFO [stderr]   --> src/main.rs:34:13
Dec 11 22:47:30.528 INFO [stderr]    |
Dec 11 22:47:30.528 INFO [stderr] 34 |         let mut current_view = grid.slice(s![0..current_size, 0..current_size]);
Dec 11 22:47:30.528 INFO [stderr]    |             ----^^^^^^^^^^^^
Dec 11 22:47:30.528 INFO [stderr]    |             |
Dec 11 22:47:30.528 INFO [stderr]    |             help: remove this `mut`
Dec 11 22:47:30.528 INFO [stderr] 
Dec 11 22:47:31.028 INFO [stderr] warning: variable does not need to be mutable
Dec 11 22:47:31.028 INFO [stderr]   --> src/main.rs:28:9
Dec 11 22:47:31.028 INFO [stderr]    |
Dec 11 22:47:31.028 INFO [stderr] 28 |     let mut current_size: usize = START_SIZE;
Dec 11 22:47:31.028 INFO [stderr]    |         ----^^^^^^^^^^^^
Dec 11 22:47:31.028 INFO [stderr]    |         |
Dec 11 22:47:31.028 INFO [stderr]    |         help: remove this `mut`
Dec 11 22:47:31.028 INFO [stderr]    |
Dec 11 22:47:31.028 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 22:47:31.028 INFO [stderr] 
Dec 11 22:47:31.028 INFO [stderr] warning: variable does not need to be mutable
Dec 11 22:47:31.028 INFO [stderr]   --> src/main.rs:34:13
Dec 11 22:47:31.028 INFO [stderr]    |
Dec 11 22:47:31.028 INFO [stderr] 34 |         let mut current_view = grid.slice(s![0..current_size, 0..current_size]);
Dec 11 22:47:31.028 INFO [stderr]    |             ----^^^^^^^^^^^^
Dec 11 22:47:31.028 INFO [stderr]    |             |
Dec 11 22:47:31.028 INFO [stderr]    |             help: remove this `mut`
Dec 11 22:47:31.029 INFO [stderr] 
Dec 11 22:47:31.052 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.77s
Dec 11 22:47:31.076 INFO [stderr] su: No module specific data is present
Dec 11 22:47:32.105 INFO running `"docker" "inspect" "afd68a1f3e14ff518e154abb067a3c6a27dedc78ce27c2ecd61286f3b92c63f9"`
Dec 11 22:47:32.498 INFO running `"docker" "rm" "-f" "afd68a1f3e14ff518e154abb067a3c6a27dedc78ce27c2ecd61286f3b92c63f9"`
Dec 11 22:47:32.844 INFO [stdout] afd68a1f3e14ff518e154abb067a3c6a27dedc78ce27c2ecd61286f3b92c63f9