Dec 12 01:25:36.985 INFO checking Meyhem/rust-sdl2-gol against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 01:25:36.985 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 12 01:25:37.442 INFO [stdout] edb0774ba2a16c29e5adb38537efcb9c3d66bbca48f74477357f2b26d95b1965
Dec 12 01:25:37.444 INFO running `"docker" "start" "-a" "edb0774ba2a16c29e5adb38537efcb9c3d66bbca48f74477357f2b26d95b1965"`
Dec 12 01:25:39.453 INFO [stderr] usermod: no changes
Dec 12 01:25:39.588 INFO [stderr]    Compiling sdl2-sys v0.32.1
Dec 12 01:25:43.911 INFO [stderr]     Checking sdl2 v0.32.0-beta.2
Dec 12 01:25:47.554 INFO [stderr]     Checking rust-sdl2-gol v0.1.0 (/source)
Dec 12 01:25:49.012 INFO [stderr] warning: value assigned to `current_tick` is never read
Dec 12 01:25:49.012 INFO [stderr]   --> src/main.rs:82:13
Dec 12 01:25:49.013 INFO [stderr]    |
Dec 12 01:25:49.013 INFO [stderr] 82 |     let mut current_tick = Instant::now();
Dec 12 01:25:49.013 INFO [stderr]    |             ^^^^^^^^^^^^
Dec 12 01:25:49.013 INFO [stderr]    |
Dec 12 01:25:49.014 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 12 01:25:49.014 INFO [stderr] 
Dec 12 01:25:49.072 INFO [stderr] warning: method is never used: `dump_matrix`
Dec 12 01:25:49.072 INFO [stderr]   --> src/life_engine.rs:93:5
Dec 12 01:25:49.072 INFO [stderr]    |
Dec 12 01:25:49.072 INFO [stderr] 93 |     pub fn dump_matrix(&self) {
Dec 12 01:25:49.072 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:25:49.072 INFO [stderr]    |
Dec 12 01:25:49.073 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 01:25:49.073 INFO [stderr] 
Dec 12 01:25:49.491 INFO [stderr] warning: value assigned to `current_tick` is never read
Dec 12 01:25:49.492 INFO [stderr]   --> src/main.rs:82:13
Dec 12 01:25:49.492 INFO [stderr]    |
Dec 12 01:25:49.492 INFO [stderr] 82 |     let mut current_tick = Instant::now();
Dec 12 01:25:49.493 INFO [stderr]    |             ^^^^^^^^^^^^
Dec 12 01:25:49.493 INFO [stderr]    |
Dec 12 01:25:49.493 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 12 01:25:49.493 INFO [stderr] 
Dec 12 01:25:49.525 INFO [stderr] warning: method is never used: `dump_matrix`
Dec 12 01:25:49.526 INFO [stderr]   --> src/life_engine.rs:93:5
Dec 12 01:25:49.526 INFO [stderr]    |
Dec 12 01:25:49.526 INFO [stderr] 93 |     pub fn dump_matrix(&self) {
Dec 12 01:25:49.526 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:25:49.527 INFO [stderr]    |
Dec 12 01:25:49.527 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 01:25:49.527 INFO [stderr] 
Dec 12 01:25:49.561 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.07s
Dec 12 01:25:49.565 INFO [stderr] su: No module specific data is present
Dec 12 01:25:50.906 INFO running `"docker" "inspect" "edb0774ba2a16c29e5adb38537efcb9c3d66bbca48f74477357f2b26d95b1965"`
Dec 12 01:25:51.170 INFO running `"docker" "rm" "-f" "edb0774ba2a16c29e5adb38537efcb9c3d66bbca48f74477357f2b26d95b1965"`
Dec 12 01:25:51.424 INFO [stdout] edb0774ba2a16c29e5adb38537efcb9c3d66bbca48f74477357f2b26d95b1965