Dec 18 06:25:19.428 INFO checking Meyhem/rust-sdl2-gol against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 06:25:19.428 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/Meyhem/rust-sdl2-gol:/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 06:25:19.929 INFO [stdout] ca7a4da06ffbf8c33b984d5d15d43a95a072ab431b6d62c24144740a338ffd70
Dec 18 06:25:19.931 INFO running `"docker" "start" "-a" "ca7a4da06ffbf8c33b984d5d15d43a95a072ab431b6d62c24144740a338ffd70"`
Dec 18 06:25:22.750 INFO [stderr]    Compiling sdl2-sys v0.32.1
Dec 18 06:25:26.216 INFO [stderr]     Checking sdl2 v0.32.0-beta.2
Dec 18 06:25:29.592 INFO [stderr]     Checking rust-sdl2-gol v0.1.0 (/opt/crater/workdir)
Dec 18 06:25:30.328 INFO [stderr] warning: value assigned to `current_tick` is never read
Dec 18 06:25:30.329 INFO [stderr]   --> src/main.rs:82:13
Dec 18 06:25:30.329 INFO [stderr]    |
Dec 18 06:25:30.329 INFO [stderr] 82 |     let mut current_tick = Instant::now();
Dec 18 06:25:30.332 INFO [stderr]    |             ^^^^^^^^^^^^
Dec 18 06:25:30.332 INFO [stderr]    |
Dec 18 06:25:30.332 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 18 06:25:30.332 INFO [stderr] 
Dec 18 06:25:30.389 INFO [stderr] warning: method is never used: `dump_matrix`
Dec 18 06:25:30.389 INFO [stderr]   --> src/life_engine.rs:93:5
Dec 18 06:25:30.389 INFO [stderr]    |
Dec 18 06:25:30.389 INFO [stderr] 93 |     pub fn dump_matrix(&self) {
Dec 18 06:25:30.389 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:25:30.389 INFO [stderr]    |
Dec 18 06:25:30.389 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 06:25:30.389 INFO [stderr] 
Dec 18 06:25:30.512 INFO [stderr] warning: value assigned to `current_tick` is never read
Dec 18 06:25:30.512 INFO [stderr]   --> src/main.rs:82:13
Dec 18 06:25:30.512 INFO [stderr]    |
Dec 18 06:25:30.512 INFO [stderr] 82 |     let mut current_tick = Instant::now();
Dec 18 06:25:30.512 INFO [stderr]    |             ^^^^^^^^^^^^
Dec 18 06:25:30.512 INFO [stderr]    |
Dec 18 06:25:30.512 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 18 06:25:30.512 INFO [stderr] 
Dec 18 06:25:30.565 INFO [stderr] warning: method is never used: `dump_matrix`
Dec 18 06:25:30.565 INFO [stderr]   --> src/life_engine.rs:93:5
Dec 18 06:25:30.565 INFO [stderr]    |
Dec 18 06:25:30.565 INFO [stderr] 93 |     pub fn dump_matrix(&self) {
Dec 18 06:25:30.565 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:25:30.565 INFO [stderr]    |
Dec 18 06:25:30.567 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 06:25:30.569 INFO [stderr] 
Dec 18 06:25:30.605 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.97s
Dec 18 06:25:31.196 INFO running `"docker" "inspect" "ca7a4da06ffbf8c33b984d5d15d43a95a072ab431b6d62c24144740a338ffd70"`
Dec 18 06:25:31.530 INFO running `"docker" "rm" "-f" "ca7a4da06ffbf8c33b984d5d15d43a95a072ab431b6d62c24144740a338ffd70"`
Dec 18 06:25:31.824 INFO [stdout] ca7a4da06ffbf8c33b984d5d15d43a95a072ab431b6d62c24144740a338ffd70