Dec 11 11:46:03.121 INFO checking pixlark/rust-2048 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 11:46:03.121 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 11 11:46:03.619 INFO [stdout] 8bd2a42a01955c6ae1541da9d9bfbf55df7893ecb11f3d9cf009b8079955334b
Dec 11 11:46:03.622 INFO running `"docker" "start" "-a" "8bd2a42a01955c6ae1541da9d9bfbf55df7893ecb11f3d9cf009b8079955334b"`
Dec 11 11:46:05.023 INFO [stderr] usermod: no changes
Dec 11 11:46:05.192 INFO [stderr]    Compiling game-2048 v0.1.0 (/source)
Dec 11 11:46:05.197 INFO [stderr]     Checking sdl2 v0.31.0
Dec 11 11:46:10.128 INFO [stderr] warning: unused import: `sdl2::video::WindowContext`
Dec 11 11:46:10.128 INFO [stderr]   --> src/main.rs:15:5
Dec 11 11:46:10.128 INFO [stderr]    |
Dec 11 11:46:10.128 INFO [stderr] 15 | use sdl2::video::WindowContext;
Dec 11 11:46:10.128 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 11:46:10.128 INFO [stderr]    |
Dec 11 11:46:10.128 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 11:46:10.128 INFO [stderr] 
Dec 11 11:46:10.244 INFO [stderr] warning: use of deprecated item 'rand::Rng::choose': use SliceRandom::choose instead
Dec 11 11:46:10.244 INFO [stderr]    --> src/main.rs:267:32
Dec 11 11:46:10.244 INFO [stderr]     |
Dec 11 11:46:10.244 INFO [stderr] 267 |         let choice: u64 = *rng.choose(&[2, 4]).unwrap();
Dec 11 11:46:10.244 INFO [stderr]     |                                ^^^^^^
Dec 11 11:46:10.244 INFO [stderr]     |
Dec 11 11:46:10.244 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 11 11:46:10.244 INFO [stderr] 
Dec 11 11:46:10.264 INFO [stderr] warning: unused variable: `state_stack`
Dec 11 11:46:10.264 INFO [stderr]    --> src/main.rs:306:13
Dec 11 11:46:10.264 INFO [stderr]     |
Dec 11 11:46:10.264 INFO [stderr] 306 |     let mut state_stack: Vec<Box<dyn GameState>> = Vec::new();
Dec 11 11:46:10.264 INFO [stderr]     |             ^^^^^^^^^^^ help: consider using `_state_stack` instead
Dec 11 11:46:10.264 INFO [stderr]     |
Dec 11 11:46:10.264 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 11 11:46:10.264 INFO [stderr] 
Dec 11 11:46:10.264 INFO [stderr] warning: unused import: `sdl2::video::WindowContext`
Dec 11 11:46:10.264 INFO [stderr]   --> src/main.rs:15:5
Dec 11 11:46:10.264 INFO [stderr]    |
Dec 11 11:46:10.264 INFO [stderr] 15 | use sdl2::video::WindowContext;
Dec 11 11:46:10.264 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 11:46:10.264 INFO [stderr]    |
Dec 11 11:46:10.264 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 11:46:10.264 INFO [stderr] 
Dec 11 11:46:10.292 INFO [stderr] warning: variable does not need to be mutable
Dec 11 11:46:10.292 INFO [stderr]    --> src/main.rs:306:9
Dec 11 11:46:10.292 INFO [stderr]     |
Dec 11 11:46:10.292 INFO [stderr] 306 |     let mut state_stack: Vec<Box<dyn GameState>> = Vec::new();
Dec 11 11:46:10.292 INFO [stderr]     |         ----^^^^^^^^^^^
Dec 11 11:46:10.292 INFO [stderr]     |         |
Dec 11 11:46:10.292 INFO [stderr]     |         help: remove this `mut`
Dec 11 11:46:10.292 INFO [stderr]     |
Dec 11 11:46:10.292 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 11 11:46:10.292 INFO [stderr] 
Dec 11 11:46:10.296 INFO [stderr] warning: struct is never constructed: `PlayingState`
Dec 11 11:46:10.296 INFO [stderr]    --> src/main.rs:286:1
Dec 11 11:46:10.296 INFO [stderr]     |
Dec 11 11:46:10.296 INFO [stderr] 286 | struct PlayingState {
Dec 11 11:46:10.296 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^
Dec 11 11:46:10.296 INFO [stderr]     |
Dec 11 11:46:10.296 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 11 11:46:10.296 INFO [stderr] 
Dec 11 11:46:10.298 INFO [stderr] warning: type `v2` should have a camel case name such as `V2`
Dec 11 11:46:10.298 INFO [stderr]   --> src/main.rs:44:1
Dec 11 11:46:10.298 INFO [stderr]    |
Dec 11 11:46:10.298 INFO [stderr] 44 | / struct v2 {
Dec 11 11:46:10.298 INFO [stderr] 45 | |     row: i32,
Dec 11 11:46:10.298 INFO [stderr] 46 | |     column: i32,
Dec 11 11:46:10.298 INFO [stderr] 47 | | }
Dec 11 11:46:10.298 INFO [stderr]    | |_^
Dec 11 11:46:10.298 INFO [stderr]    |
Dec 11 11:46:10.298 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Dec 11 11:46:10.298 INFO [stderr] 
Dec 11 11:46:10.298 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 11:46:10.298 INFO [stderr]    --> src/main.rs:159:21
Dec 11 11:46:10.298 INFO [stderr]     |
Dec 11 11:46:10.298 INFO [stderr] 159 | /                     canvas.copy(
Dec 11 11:46:10.298 INFO [stderr] 160 | |                         &texture,
Dec 11 11:46:10.298 INFO [stderr] 161 | |                         None,
Dec 11 11:46:10.298 INFO [stderr] 162 | |                         Some(Rect::new(
Dec 11 11:46:10.298 INFO [stderr] ...   |
Dec 11 11:46:10.298 INFO [stderr] 167 | |                         )),
Dec 11 11:46:10.298 INFO [stderr] 168 | |                     );
Dec 11 11:46:10.298 INFO [stderr]     | |______________________^
Dec 11 11:46:10.298 INFO [stderr]     |
Dec 11 11:46:10.298 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 11:46:10.298 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 11:46:10.298 INFO [stderr] 
Dec 11 11:46:10.416 INFO [stderr] warning: use of deprecated item 'rand::Rng::choose': use SliceRandom::choose instead
Dec 11 11:46:10.416 INFO [stderr]    --> src/main.rs:267:32
Dec 11 11:46:10.416 INFO [stderr]     |
Dec 11 11:46:10.416 INFO [stderr] 267 |         let choice: u64 = *rng.choose(&[2, 4]).unwrap();
Dec 11 11:46:10.416 INFO [stderr]     |                                ^^^^^^
Dec 11 11:46:10.416 INFO [stderr]     |
Dec 11 11:46:10.416 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 11 11:46:10.416 INFO [stderr] 
Dec 11 11:46:10.440 INFO [stderr] warning: unused variable: `state_stack`
Dec 11 11:46:10.440 INFO [stderr]    --> src/main.rs:306:13
Dec 11 11:46:10.440 INFO [stderr]     |
Dec 11 11:46:10.440 INFO [stderr] 306 |     let mut state_stack: Vec<Box<dyn GameState>> = Vec::new();
Dec 11 11:46:10.440 INFO [stderr]     |             ^^^^^^^^^^^ help: consider using `_state_stack` instead
Dec 11 11:46:10.440 INFO [stderr]     |
Dec 11 11:46:10.440 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 11 11:46:10.440 INFO [stderr] 
Dec 11 11:46:10.471 INFO [stderr] warning: variable does not need to be mutable
Dec 11 11:46:10.471 INFO [stderr]    --> src/main.rs:306:9
Dec 11 11:46:10.471 INFO [stderr]     |
Dec 11 11:46:10.471 INFO [stderr] 306 |     let mut state_stack: Vec<Box<dyn GameState>> = Vec::new();
Dec 11 11:46:10.471 INFO [stderr]     |         ----^^^^^^^^^^^
Dec 11 11:46:10.471 INFO [stderr]     |         |
Dec 11 11:46:10.471 INFO [stderr]     |         help: remove this `mut`
Dec 11 11:46:10.471 INFO [stderr]     |
Dec 11 11:46:10.471 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 11 11:46:10.471 INFO [stderr] 
Dec 11 11:46:10.473 INFO [stderr] warning: struct is never constructed: `PlayingState`
Dec 11 11:46:10.473 INFO [stderr]    --> src/main.rs:286:1
Dec 11 11:46:10.473 INFO [stderr]     |
Dec 11 11:46:10.473 INFO [stderr] 286 | struct PlayingState {
Dec 11 11:46:10.473 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^
Dec 11 11:46:10.473 INFO [stderr]     |
Dec 11 11:46:10.473 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 11 11:46:10.473 INFO [stderr] 
Dec 11 11:46:10.474 INFO [stderr] warning: type `v2` should have a camel case name such as `V2`
Dec 11 11:46:10.474 INFO [stderr]   --> src/main.rs:44:1
Dec 11 11:46:10.474 INFO [stderr]    |
Dec 11 11:46:10.474 INFO [stderr] 44 | / struct v2 {
Dec 11 11:46:10.474 INFO [stderr] 45 | |     row: i32,
Dec 11 11:46:10.474 INFO [stderr] 46 | |     column: i32,
Dec 11 11:46:10.474 INFO [stderr] 47 | | }
Dec 11 11:46:10.474 INFO [stderr]    | |_^
Dec 11 11:46:10.474 INFO [stderr]    |
Dec 11 11:46:10.474 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Dec 11 11:46:10.474 INFO [stderr] 
Dec 11 11:46:10.476 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 11:46:10.476 INFO [stderr]    --> src/main.rs:159:21
Dec 11 11:46:10.476 INFO [stderr]     |
Dec 11 11:46:10.476 INFO [stderr] 159 | /                     canvas.copy(
Dec 11 11:46:10.476 INFO [stderr] 160 | |                         &texture,
Dec 11 11:46:10.476 INFO [stderr] 161 | |                         None,
Dec 11 11:46:10.476 INFO [stderr] 162 | |                         Some(Rect::new(
Dec 11 11:46:10.476 INFO [stderr] ...   |
Dec 11 11:46:10.476 INFO [stderr] 167 | |                         )),
Dec 11 11:46:10.476 INFO [stderr] 168 | |                     );
Dec 11 11:46:10.476 INFO [stderr]     | |______________________^
Dec 11 11:46:10.476 INFO [stderr]     |
Dec 11 11:46:10.476 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 11:46:10.476 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 11:46:10.476 INFO [stderr] 
Dec 11 11:46:10.520 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.47s
Dec 11 11:46:10.529 INFO [stderr] su: No module specific data is present
Dec 11 11:46:11.607 INFO running `"docker" "inspect" "8bd2a42a01955c6ae1541da9d9bfbf55df7893ecb11f3d9cf009b8079955334b"`
Dec 11 11:46:11.923 INFO running `"docker" "rm" "-f" "8bd2a42a01955c6ae1541da9d9bfbf55df7893ecb11f3d9cf009b8079955334b"`
Dec 11 11:46:12.208 INFO [stdout] 8bd2a42a01955c6ae1541da9d9bfbf55df7893ecb11f3d9cf009b8079955334b