Dec 12 02:10:58.924 INFO checking Jibbow/rust-2048 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 02:10:58.924 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 02:10:59.453 INFO [stdout] 47a8eaf5bae3767c74696d3cc39edeb1ae1582ed847403a593b915be70d8cfaf
Dec 12 02:10:59.458 INFO running `"docker" "start" "-a" "47a8eaf5bae3767c74696d3cc39edeb1ae1582ed847403a593b915be70d8cfaf"`
Dec 12 02:11:01.099 INFO [stderr] usermod: no changes
Dec 12 02:11:01.492 INFO [stderr]     Checking arrayvec v0.4.5
Dec 12 02:11:01.524 INFO [stderr]     Checking gfx_core v0.7.2
Dec 12 02:11:01.524 INFO [stderr]     Checking pistoncore-input v0.20.0
Dec 12 02:11:01.524 INFO [stderr]     Checking image v0.17.0
Dec 12 02:11:03.620 INFO [stderr]     Checking rusttype v0.2.3
Dec 12 02:11:07.420 INFO [stderr]     Checking piston2d-graphics v0.23.0
Dec 12 02:11:08.754 INFO [stderr]     Checking pistoncore-window v0.30.0
Dec 12 02:11:13.620 INFO [stderr]     Checking piston2d-opengl_graphics v0.49.0
Dec 12 02:11:15.400 INFO [stderr]     Checking pistoncore-event_loop v0.35.0
Dec 12 02:11:15.408 INFO [stderr]     Checking pistoncore-glutin_window v0.42.0
Dec 12 02:11:18.577 INFO [stderr]     Checking piston v0.35.0
Dec 12 02:11:34.772 INFO [stderr]     Checking gfx v0.16.1
Dec 12 02:11:34.772 INFO [stderr]     Checking gfx_device_gl v0.14.4
Dec 12 02:11:40.886 INFO [stderr]     Checking piston-gfx_texture v0.29.0
Dec 12 02:11:43.764 INFO [stderr]     Checking piston2d-gfx_graphics v0.46.0
Dec 12 02:11:47.918 INFO [stderr]     Checking piston_window v0.73.0
Dec 12 02:11:52.396 INFO [stderr]     Checking rust-2048 v0.1.0 (/source)
Dec 12 02:11:58.692 INFO [stderr] warning: unused variable: `args`
Dec 12 02:11:58.692 INFO [stderr]   --> src/main.rs:46:21
Dec 12 02:11:58.692 INFO [stderr]    |
Dec 12 02:11:58.692 INFO [stderr] 46 |         if let Some(args) = e.render_args() {
Dec 12 02:11:58.692 INFO [stderr]    |                     ^^^^ help: consider using `_args` instead
Dec 12 02:11:58.692 INFO [stderr]    |
Dec 12 02:11:58.692 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 02:11:58.692 INFO [stderr] 
Dec 12 02:11:58.692 INFO [stderr] warning: unused variable: `size`
Dec 12 02:11:58.692 INFO [stderr]   --> src/gameboard_view.rs:83:21
Dec 12 02:11:58.692 INFO [stderr]    |
Dec 12 02:11:58.692 INFO [stderr] 83 |                 let size = settings.size / gameboardsize as f64 - 8.0;
Dec 12 02:11:58.692 INFO [stderr]    |                     ^^^^ help: consider using `_size` instead
Dec 12 02:11:58.692 INFO [stderr] 
Dec 12 02:11:58.736 INFO [stderr] warning: comparison is useless due to type limits
Dec 12 02:11:58.736 INFO [stderr]   --> src/gameboard.rs:67:9
Dec 12 02:11:58.736 INFO [stderr]    |
Dec 12 02:11:58.736 INFO [stderr] 67 |         pos.0 >= 0 && (pos.0 as usize) < SIZE
Dec 12 02:11:58.736 INFO [stderr]    |         ^^^^^^^^^^
Dec 12 02:11:58.736 INFO [stderr]    |
Dec 12 02:11:58.736 INFO [stderr]    = note: #[warn(unused_comparisons)] on by default
Dec 12 02:11:58.736 INFO [stderr] 
Dec 12 02:11:58.736 INFO [stderr] warning: comparison is useless due to type limits
Dec 12 02:11:58.736 INFO [stderr]   --> src/gameboard.rs:68:16
Dec 12 02:11:58.736 INFO [stderr]    |
Dec 12 02:11:58.736 INFO [stderr] 68 |             && pos.1 >= 0 && (pos.1 as usize) < SIZE
Dec 12 02:11:58.736 INFO [stderr]    |                ^^^^^^^^^^
Dec 12 02:11:58.736 INFO [stderr] 
Dec 12 02:11:59.176 INFO [stderr] warning: unused variable: `args`
Dec 12 02:11:59.176 INFO [stderr]   --> src/main.rs:46:21
Dec 12 02:11:59.176 INFO [stderr]    |
Dec 12 02:11:59.176 INFO [stderr] 46 |         if let Some(args) = e.render_args() {
Dec 12 02:11:59.176 INFO [stderr]    |                     ^^^^ help: consider using `_args` instead
Dec 12 02:11:59.176 INFO [stderr]    |
Dec 12 02:11:59.176 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 02:11:59.176 INFO [stderr] 
Dec 12 02:11:59.176 INFO [stderr] warning: unused variable: `size`
Dec 12 02:11:59.176 INFO [stderr]   --> src/gameboard_view.rs:83:21
Dec 12 02:11:59.176 INFO [stderr]    |
Dec 12 02:11:59.176 INFO [stderr] 83 |                 let size = settings.size / gameboardsize as f64 - 8.0;
Dec 12 02:11:59.176 INFO [stderr]    |                     ^^^^ help: consider using `_size` instead
Dec 12 02:11:59.176 INFO [stderr] 
Dec 12 02:11:59.212 INFO [stderr] warning: comparison is useless due to type limits
Dec 12 02:11:59.212 INFO [stderr]   --> src/gameboard.rs:67:9
Dec 12 02:11:59.212 INFO [stderr]    |
Dec 12 02:11:59.212 INFO [stderr] 67 |         pos.0 >= 0 && (pos.0 as usize) < SIZE
Dec 12 02:11:59.212 INFO [stderr]    |         ^^^^^^^^^^
Dec 12 02:11:59.212 INFO [stderr]    |
Dec 12 02:11:59.212 INFO [stderr]    = note: #[warn(unused_comparisons)] on by default
Dec 12 02:11:59.212 INFO [stderr] 
Dec 12 02:11:59.212 INFO [stderr] warning: comparison is useless due to type limits
Dec 12 02:11:59.212 INFO [stderr]   --> src/gameboard.rs:68:16
Dec 12 02:11:59.212 INFO [stderr]    |
Dec 12 02:11:59.212 INFO [stderr] 68 |             && pos.1 >= 0 && (pos.1 as usize) < SIZE
Dec 12 02:11:59.212 INFO [stderr]    |                ^^^^^^^^^^
Dec 12 02:11:59.212 INFO [stderr] 
Dec 12 02:11:59.270 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.13s
Dec 12 02:11:59.285 INFO [stderr] su: No module specific data is present
Dec 12 02:11:59.905 INFO running `"docker" "inspect" "47a8eaf5bae3767c74696d3cc39edeb1ae1582ed847403a593b915be70d8cfaf"`
Dec 12 02:12:00.029 INFO running `"docker" "rm" "-f" "47a8eaf5bae3767c74696d3cc39edeb1ae1582ed847403a593b915be70d8cfaf"`
Dec 12 02:12:00.204 INFO [stdout] 47a8eaf5bae3767c74696d3cc39edeb1ae1582ed847403a593b915be70d8cfaf