Dec 17 17:46:52.487 INFO checking pixlark/rust-2048 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 17:46:52.487 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/pixlark/rust-2048:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 17:46:52.995 INFO [stdout] 6849ab536e0507fda5c3abf2d7345b7cfe8f1fdced5207b5cd893c36c29c26a8
Dec 17 17:46:52.998 INFO running `"docker" "start" "-a" "6849ab536e0507fda5c3abf2d7345b7cfe8f1fdced5207b5cd893c36c29c26a8"`
Dec 17 17:46:55.217 INFO [stderr]    Compiling game-2048 v0.1.0 (/opt/crater/workdir)
Dec 17 17:46:55.258 INFO [stderr]     Checking sdl2 v0.31.0
Dec 17 17:46:59.819 INFO [stderr] warning: unused import: `sdl2::video::WindowContext`
Dec 17 17:46:59.819 INFO [stderr]   --> src/main.rs:15:5
Dec 17 17:46:59.819 INFO [stderr]    |
Dec 17 17:46:59.819 INFO [stderr] 15 | use sdl2::video::WindowContext;
Dec 17 17:46:59.819 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:46:59.819 INFO [stderr]    |
Dec 17 17:46:59.819 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 17:46:59.819 INFO [stderr] 
Dec 17 17:46:59.840 INFO [stderr] warning: unused import: `sdl2::video::WindowContext`
Dec 17 17:46:59.840 INFO [stderr]   --> src/main.rs:15:5
Dec 17 17:46:59.840 INFO [stderr]    |
Dec 17 17:46:59.840 INFO [stderr] 15 | use sdl2::video::WindowContext;
Dec 17 17:46:59.841 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:46:59.841 INFO [stderr]    |
Dec 17 17:46:59.841 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 17:46:59.841 INFO [stderr] 
Dec 17 17:47:00.048 INFO [stderr] warning: use of deprecated item 'rand::Rng::choose': use SliceRandom::choose instead
Dec 17 17:47:00.048 INFO [stderr]    --> src/main.rs:267:32
Dec 17 17:47:00.048 INFO [stderr]     |
Dec 17 17:47:00.048 INFO [stderr] 267 |         let choice: u64 = *rng.choose(&[2, 4]).unwrap();
Dec 17 17:47:00.048 INFO [stderr]     |                                ^^^^^^
Dec 17 17:47:00.048 INFO [stderr]     |
Dec 17 17:47:00.048 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 17 17:47:00.048 INFO [stderr] 
Dec 17 17:47:00.056 INFO [stderr] warning: use of deprecated item 'rand::Rng::choose': use SliceRandom::choose instead
Dec 17 17:47:00.056 INFO [stderr]    --> src/main.rs:267:32
Dec 17 17:47:00.056 INFO [stderr]     |
Dec 17 17:47:00.056 INFO [stderr] 267 |         let choice: u64 = *rng.choose(&[2, 4]).unwrap();
Dec 17 17:47:00.056 INFO [stderr]     |                                ^^^^^^
Dec 17 17:47:00.056 INFO [stderr]     |
Dec 17 17:47:00.057 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 17 17:47:00.057 INFO [stderr] 
Dec 17 17:47:00.076 INFO [stderr] warning: unused variable: `state_stack`
Dec 17 17:47:00.076 INFO [stderr]    --> src/main.rs:306:13
Dec 17 17:47:00.076 INFO [stderr]     |
Dec 17 17:47:00.076 INFO [stderr] 306 |     let mut state_stack: Vec<Box<dyn GameState>> = Vec::new();
Dec 17 17:47:00.077 INFO [stderr]     |             ^^^^^^^^^^^ help: consider using `_state_stack` instead
Dec 17 17:47:00.077 INFO [stderr]     |
Dec 17 17:47:00.077 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 17:47:00.077 INFO [stderr] 
Dec 17 17:47:00.085 INFO [stderr] warning: unused variable: `state_stack`
Dec 17 17:47:00.085 INFO [stderr]    --> src/main.rs:306:13
Dec 17 17:47:00.085 INFO [stderr]     |
Dec 17 17:47:00.085 INFO [stderr] 306 |     let mut state_stack: Vec<Box<dyn GameState>> = Vec::new();
Dec 17 17:47:00.086 INFO [stderr]     |             ^^^^^^^^^^^ help: consider using `_state_stack` instead
Dec 17 17:47:00.086 INFO [stderr]     |
Dec 17 17:47:00.086 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 17:47:00.086 INFO [stderr] 
Dec 17 17:47:00.132 INFO [stderr] warning: variable does not need to be mutable
Dec 17 17:47:00.132 INFO [stderr]    --> src/main.rs:306:9
Dec 17 17:47:00.132 INFO [stderr]     |
Dec 17 17:47:00.132 INFO [stderr] 306 |     let mut state_stack: Vec<Box<dyn GameState>> = Vec::new();
Dec 17 17:47:00.132 INFO [stderr]     |         ----^^^^^^^^^^^
Dec 17 17:47:00.132 INFO [stderr]     |         |
Dec 17 17:47:00.132 INFO [stderr]     |         help: remove this `mut`
Dec 17 17:47:00.136 INFO [stderr]     |
Dec 17 17:47:00.136 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 17 17:47:00.136 INFO [stderr] 
Dec 17 17:47:00.139 INFO [stderr] warning: struct is never constructed: `PlayingState`
Dec 17 17:47:00.139 INFO [stderr]    --> src/main.rs:286:1
Dec 17 17:47:00.139 INFO [stderr]     |
Dec 17 17:47:00.139 INFO [stderr] 286 | struct PlayingState {
Dec 17 17:47:00.139 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^
Dec 17 17:47:00.139 INFO [stderr]     |
Dec 17 17:47:00.139 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 17 17:47:00.139 INFO [stderr] 
Dec 17 17:47:00.141 INFO [stderr] warning: type `v2` should have a camel case name such as `V2`
Dec 17 17:47:00.141 INFO [stderr]   --> src/main.rs:44:1
Dec 17 17:47:00.141 INFO [stderr]    |
Dec 17 17:47:00.141 INFO [stderr] 44 | / struct v2 {
Dec 17 17:47:00.141 INFO [stderr] 45 | |     row: i32,
Dec 17 17:47:00.141 INFO [stderr] 46 | |     column: i32,
Dec 17 17:47:00.141 INFO [stderr] 47 | | }
Dec 17 17:47:00.141 INFO [stderr]    | |_^
Dec 17 17:47:00.141 INFO [stderr]    |
Dec 17 17:47:00.141 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Dec 17 17:47:00.141 INFO [stderr] 
Dec 17 17:47:00.142 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 17:47:00.142 INFO [stderr]    --> src/main.rs:159:21
Dec 17 17:47:00.142 INFO [stderr]     |
Dec 17 17:47:00.142 INFO [stderr] 159 | /                     canvas.copy(
Dec 17 17:47:00.142 INFO [stderr] 160 | |                         &texture,
Dec 17 17:47:00.142 INFO [stderr] 161 | |                         None,
Dec 17 17:47:00.142 INFO [stderr] 162 | |                         Some(Rect::new(
Dec 17 17:47:00.142 INFO [stderr] ...   |
Dec 17 17:47:00.142 INFO [stderr] 167 | |                         )),
Dec 17 17:47:00.142 INFO [stderr] 168 | |                     );
Dec 17 17:47:00.142 INFO [stderr]     | |______________________^
Dec 17 17:47:00.143 INFO [stderr]     |
Dec 17 17:47:00.148 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 17 17:47:00.150 INFO [stderr] warning: variable does not need to be mutable
Dec 17 17:47:00.150 INFO [stderr]    --> src/main.rs:306:9
Dec 17 17:47:00.150 INFO [stderr]     |
Dec 17 17:47:00.150 INFO [stderr] 306 |     let mut state_stack: Vec<Box<dyn GameState>> = Vec::new();
Dec 17 17:47:00.150 INFO [stderr]     |         ----^^^^^^^^^^^
Dec 17 17:47:00.150 INFO [stderr]     |         |
Dec 17 17:47:00.150 INFO [stderr]     |         help: remove this `mut`
Dec 17 17:47:00.150 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 17:47:00.150 INFO [stderr]     |
Dec 17 17:47:00.150 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 17 17:47:00.150 INFO [stderr] 
Dec 17 17:47:00.150 INFO [stderr] 
Dec 17 17:47:00.152 INFO [stderr] warning: struct is never constructed: `PlayingState`
Dec 17 17:47:00.152 INFO [stderr]    --> src/main.rs:286:1
Dec 17 17:47:00.152 INFO [stderr]     |
Dec 17 17:47:00.152 INFO [stderr] 286 | struct PlayingState {
Dec 17 17:47:00.152 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^
Dec 17 17:47:00.152 INFO [stderr]     |
Dec 17 17:47:00.152 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 17 17:47:00.152 INFO [stderr] 
Dec 17 17:47:00.162 INFO [stderr] warning: type `v2` should have a camel case name such as `V2`
Dec 17 17:47:00.162 INFO [stderr]   --> src/main.rs:44:1
Dec 17 17:47:00.162 INFO [stderr]    |
Dec 17 17:47:00.162 INFO [stderr] 44 | / struct v2 {
Dec 17 17:47:00.162 INFO [stderr] 45 | |     row: i32,
Dec 17 17:47:00.162 INFO [stderr] 46 | |     column: i32,
Dec 17 17:47:00.162 INFO [stderr] 47 | | }
Dec 17 17:47:00.162 INFO [stderr]    | |_^
Dec 17 17:47:00.162 INFO [stderr]    |
Dec 17 17:47:00.162 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Dec 17 17:47:00.162 INFO [stderr] 
Dec 17 17:47:00.168 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 17:47:00.168 INFO [stderr]    --> src/main.rs:159:21
Dec 17 17:47:00.168 INFO [stderr]     |
Dec 17 17:47:00.168 INFO [stderr] 159 | /                     canvas.copy(
Dec 17 17:47:00.168 INFO [stderr] 160 | |                         &texture,
Dec 17 17:47:00.168 INFO [stderr] 161 | |                         None,
Dec 17 17:47:00.168 INFO [stderr] 162 | |                         Some(Rect::new(
Dec 17 17:47:00.168 INFO [stderr] ...   |
Dec 17 17:47:00.168 INFO [stderr] 167 | |                         )),
Dec 17 17:47:00.168 INFO [stderr] 168 | |                     );
Dec 17 17:47:00.168 INFO [stderr]     | |______________________^
Dec 17 17:47:00.168 INFO [stderr]     |
Dec 17 17:47:00.168 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 17 17:47:00.168 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 17:47:00.169 INFO [stderr] 
Dec 17 17:47:00.234 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.17s
Dec 17 17:47:01.479 INFO running `"docker" "inspect" "6849ab536e0507fda5c3abf2d7345b7cfe8f1fdced5207b5cd893c36c29c26a8"`
Dec 17 17:47:01.716 INFO running `"docker" "rm" "-f" "6849ab536e0507fda5c3abf2d7345b7cfe8f1fdced5207b5cd893c36c29c26a8"`
Dec 17 17:47:02.093 INFO [stdout] 6849ab536e0507fda5c3abf2d7345b7cfe8f1fdced5207b5cd893c36c29c26a8