Nov 28 12:11:53.912 INFO checking Meyhem/rust-sdl2-gol against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 12:11:53.912 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-2/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 28 12:11:54.448 INFO [stdout] ea2241ba795b66d83ba5078891b1e888ccdcd2dac1521880ba51bbf8b1dc2f77
Nov 28 12:11:54.453 INFO running `"docker" "start" "-a" "ea2241ba795b66d83ba5078891b1e888ccdcd2dac1521880ba51bbf8b1dc2f77"`
Nov 28 12:11:56.268 INFO [stderr] usermod: no changes
Nov 28 12:11:56.371 INFO [stderr]    Compiling sdl2-sys v0.32.1
Nov 28 12:12:00.710 INFO [stderr]     Checking sdl2 v0.32.0-beta.2
Nov 28 12:12:04.886 INFO [stderr]     Checking rust-sdl2-gol v0.1.0 (/source)
Nov 28 12:12:06.560 INFO [stderr] warning: value assigned to `current_tick` is never read
Nov 28 12:12:06.560 INFO [stderr]   --> src/main.rs:82:13
Nov 28 12:12:06.560 INFO [stderr]    |
Nov 28 12:12:06.560 INFO [stderr] 82 |     let mut current_tick = Instant::now();
Nov 28 12:12:06.560 INFO [stderr]    |             ^^^^^^^^^^^^
Nov 28 12:12:06.560 INFO [stderr]    |
Nov 28 12:12:06.560 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 28 12:12:06.560 INFO [stderr] 
Nov 28 12:12:06.608 INFO [stderr] warning: method is never used: `dump_matrix`
Nov 28 12:12:06.608 INFO [stderr]   --> src/life_engine.rs:93:5
Nov 28 12:12:06.608 INFO [stderr]    |
Nov 28 12:12:06.608 INFO [stderr] 93 |     pub fn dump_matrix(&self) {
Nov 28 12:12:06.608 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:12:06.608 INFO [stderr]    |
Nov 28 12:12:06.608 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 12:12:06.608 INFO [stderr] 
Nov 28 12:12:06.878 INFO [stderr] warning: value assigned to `current_tick` is never read
Nov 28 12:12:06.878 INFO [stderr]   --> src/main.rs:82:13
Nov 28 12:12:06.878 INFO [stderr]    |
Nov 28 12:12:06.878 INFO [stderr] 82 |     let mut current_tick = Instant::now();
Nov 28 12:12:06.878 INFO [stderr]    |             ^^^^^^^^^^^^
Nov 28 12:12:06.878 INFO [stderr]    |
Nov 28 12:12:06.878 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 28 12:12:06.878 INFO [stderr] 
Nov 28 12:12:06.914 INFO [stderr] warning: method is never used: `dump_matrix`
Nov 28 12:12:06.914 INFO [stderr]   --> src/life_engine.rs:93:5
Nov 28 12:12:06.914 INFO [stderr]    |
Nov 28 12:12:06.915 INFO [stderr] 93 |     pub fn dump_matrix(&self) {
Nov 28 12:12:06.915 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:12:06.915 INFO [stderr]    |
Nov 28 12:12:06.915 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 12:12:06.916 INFO [stderr] 
Nov 28 12:12:06.945 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.65s
Nov 28 12:12:06.950 INFO [stderr] su: No module specific data is present
Nov 28 12:12:08.146 INFO running `"docker" "inspect" "ea2241ba795b66d83ba5078891b1e888ccdcd2dac1521880ba51bbf8b1dc2f77"`
Nov 28 12:12:08.451 INFO running `"docker" "rm" "-f" "ea2241ba795b66d83ba5078891b1e888ccdcd2dac1521880ba51bbf8b1dc2f77"`
Nov 28 12:12:08.772 INFO [stdout] ea2241ba795b66d83ba5078891b1e888ccdcd2dac1521880ba51bbf8b1dc2f77