Dec 19 05:31:59.119 INFO checking will-clarke/rust_game_of_life against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 05:31:59.119 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/will-clarke/rust_game_of_life:/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 05:31:59.312 INFO [stdout] e1e317145485807a8fba033d5e8fd538e6c06899010b6527b5418b5176a5d8f2
Dec 19 05:31:59.312 INFO running `"docker" "start" "-a" "e1e317145485807a8fba033d5e8fd538e6c06899010b6527b5418b5176a5d8f2"`
Dec 19 05:32:00.098 INFO [stderr]     Checking rand v0.3.15
Dec 19 05:32:01.108 INFO [stderr]     Checking game_of_life v0.1.0 (/opt/crater/workdir)
Dec 19 05:32:01.333 INFO [stderr] warning: method is never used: `new`
Dec 19 05:32:01.333 INFO [stderr]   --> src/main.rs:29:5
Dec 19 05:32:01.333 INFO [stderr]    |
Dec 19 05:32:01.333 INFO [stderr] 29 |     fn new(width: usize, height: usize) -> Self {
Dec 19 05:32:01.333 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:32:01.333 INFO [stderr]    |
Dec 19 05:32:01.333 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 05:32:01.333 INFO [stderr] 
Dec 19 05:32:01.333 INFO [stderr] warning: method is never used: `update_state_at`
Dec 19 05:32:01.333 INFO [stderr]   --> src/main.rs:76:5
Dec 19 05:32:01.333 INFO [stderr]    |
Dec 19 05:32:01.333 INFO [stderr] 76 |     fn update_state_at(&mut self, x: usize, y: usize, new_state: CellState) {
Dec 19 05:32:01.333 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:32:01.333 INFO [stderr] 
Dec 19 05:32:01.402 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
Dec 19 05:32:01.698 INFO running `"docker" "inspect" "e1e317145485807a8fba033d5e8fd538e6c06899010b6527b5418b5176a5d8f2"`
Dec 19 05:32:01.964 INFO running `"docker" "rm" "-f" "e1e317145485807a8fba033d5e8fd538e6c06899010b6527b5418b5176a5d8f2"`
Dec 19 05:32:02.254 INFO [stdout] e1e317145485807a8fba033d5e8fd538e6c06899010b6527b5418b5176a5d8f2