Dec 05 01:11:03.639 INFO checking Meyhem/rust-sdl2-gol against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 01:11:03.639 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 05 01:11:04.079 INFO [stdout] 5d0a9c5e220f33fde3ea2af99b3a71056d50ebfccfaad8add81b9f97c136c8a4
Dec 05 01:11:04.081 INFO running `"docker" "start" "-a" "5d0a9c5e220f33fde3ea2af99b3a71056d50ebfccfaad8add81b9f97c136c8a4"`
Dec 05 01:11:06.051 INFO [stderr] usermod: no changes
Dec 05 01:11:06.235 INFO [stderr]    Compiling sdl2-sys v0.32.1
Dec 05 01:11:10.374 INFO [stderr]     Checking sdl2 v0.32.0-beta.2
Dec 05 01:11:14.104 INFO [stderr]     Checking rust-sdl2-gol v0.1.0 (/source)
Dec 05 01:11:16.003 INFO [stderr] warning: value assigned to `current_tick` is never read
Dec 05 01:11:16.003 INFO [stderr]   --> src/main.rs:82:13
Dec 05 01:11:16.003 INFO [stderr]    |
Dec 05 01:11:16.003 INFO [stderr] 82 |     let mut current_tick = Instant::now();
Dec 05 01:11:16.003 INFO [stderr]    |             ^^^^^^^^^^^^
Dec 05 01:11:16.003 INFO [stderr]    |
Dec 05 01:11:16.003 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 05 01:11:16.003 INFO [stderr] 
Dec 05 01:11:16.063 INFO [stderr] warning: method is never used: `dump_matrix`
Dec 05 01:11:16.063 INFO [stderr]   --> src/life_engine.rs:93:5
Dec 05 01:11:16.063 INFO [stderr]    |
Dec 05 01:11:16.063 INFO [stderr] 93 |     pub fn dump_matrix(&self) {
Dec 05 01:11:16.063 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:11:16.063 INFO [stderr]    |
Dec 05 01:11:16.067 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 01:11:16.067 INFO [stderr] 
Dec 05 01:11:16.218 INFO [stderr] warning: value assigned to `current_tick` is never read
Dec 05 01:11:16.218 INFO [stderr]   --> src/main.rs:82:13
Dec 05 01:11:16.218 INFO [stderr]    |
Dec 05 01:11:16.219 INFO [stderr] 82 |     let mut current_tick = Instant::now();
Dec 05 01:11:16.219 INFO [stderr]    |             ^^^^^^^^^^^^
Dec 05 01:11:16.219 INFO [stderr]    |
Dec 05 01:11:16.219 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 05 01:11:16.220 INFO [stderr] 
Dec 05 01:11:16.283 INFO [stderr] warning: method is never used: `dump_matrix`
Dec 05 01:11:16.283 INFO [stderr]   --> src/life_engine.rs:93:5
Dec 05 01:11:16.283 INFO [stderr]    |
Dec 05 01:11:16.283 INFO [stderr] 93 |     pub fn dump_matrix(&self) {
Dec 05 01:11:16.283 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:11:16.283 INFO [stderr]    |
Dec 05 01:11:16.295 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 01:11:16.295 INFO [stderr] 
Dec 05 01:11:16.339 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.25s
Dec 05 01:11:16.343 INFO [stderr] su: No module specific data is present
Dec 05 01:11:17.854 INFO running `"docker" "inspect" "5d0a9c5e220f33fde3ea2af99b3a71056d50ebfccfaad8add81b9f97c136c8a4"`
Dec 05 01:11:18.159 INFO running `"docker" "rm" "-f" "5d0a9c5e220f33fde3ea2af99b3a71056d50ebfccfaad8add81b9f97c136c8a4"`
Dec 05 01:11:18.410 INFO [stdout] 5d0a9c5e220f33fde3ea2af99b3a71056d50ebfccfaad8add81b9f97c136c8a4