Dec 18 02:28:24.729 INFO checking chrisk24/slide-puzzle-rs against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 02:28:24.729 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/chrisk24/slide-puzzle-rs:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 02:28:25.284 INFO [stdout] bc870a55ff86cf077d1351d9cbcb78b47a267c005f148223529641d2d0d875a2
Dec 18 02:28:25.300 INFO running `"docker" "start" "-a" "bc870a55ff86cf077d1351d9cbcb78b47a267c005f148223529641d2d0d875a2"`
Dec 18 02:28:26.548 INFO [stderr]    Compiling libloading v0.5.0
Dec 18 02:28:26.548 INFO [stderr]    Compiling tinyfiledialogs v3.3.5
Dec 18 02:28:26.556 INFO [stderr]    Compiling wayland-client v0.12.5
Dec 18 02:28:26.556 INFO [stderr]    Compiling wayland-protocols v0.12.5
Dec 18 02:28:26.556 INFO [stderr]    Compiling gl v0.10.0
Dec 18 02:28:26.556 INFO [stderr]    Compiling glutin v0.14.0
Dec 18 02:28:26.556 INFO [stderr]     Checking crossbeam-deque v0.2.0
Dec 18 02:28:26.556 INFO [stderr]    Compiling num-derive v0.2.2
Dec 18 02:28:28.553 INFO [stderr]     Checking png v0.12.0
Dec 18 02:28:29.176 INFO [stderr]     Checking rusttype v0.4.3
Dec 18 02:28:30.000 INFO [stderr]     Checking pistoncore-input v0.21.0
Dec 18 02:28:35.936 INFO [stderr]     Checking rayon-core v1.4.1
Dec 18 02:28:36.416 INFO [stderr]     Checking piston2d-graphics v0.26.0
Dec 18 02:28:38.500 INFO [stderr]     Checking dlib v0.4.1
Dec 18 02:28:39.373 INFO [stderr]     Checking wayland-sys v0.12.5
Dec 18 02:28:41.187 INFO [stderr]     Checking rayon v1.0.2
Dec 18 02:28:44.192 INFO [stderr]     Checking wayland-kbd v0.13.1
Dec 18 02:28:44.552 INFO [stderr]     Checking pistoncore-window v0.32.0
Dec 18 02:28:49.968 INFO [stderr]     Checking jpeg-decoder v0.1.15
Dec 18 02:28:51.008 INFO [stderr]     Checking pistoncore-event_loop v0.37.0
Dec 18 02:28:52.609 INFO [stderr]     Checking piston v0.37.0
Dec 18 02:28:53.915 INFO [stderr]     Checking image v0.19.0
Dec 18 02:28:53.934 INFO [stderr]     Checking wayland-window v0.13.3
Dec 18 02:28:55.564 INFO [stderr]     Checking winit v0.12.0
Dec 18 02:29:00.463 INFO [stderr]     Checking pistoncore-glutin_window v0.47.0
Dec 18 02:29:00.811 INFO [stderr]     Checking piston2d-opengl_graphics v0.53.0
Dec 18 02:29:01.752 INFO [stderr]     Checking piston-example v0.1.0 (/opt/crater/workdir)
Dec 18 02:29:03.124 INFO [stderr] warning: unused import: `graphics::*`
Dec 18 02:29:03.124 INFO [stderr]  --> src/app.rs:3:5
Dec 18 02:29:03.124 INFO [stderr]   |
Dec 18 02:29:03.124 INFO [stderr] 3 | use graphics::*;
Dec 18 02:29:03.124 INFO [stderr]   |     ^^^^^^^^^^^
Dec 18 02:29:03.124 INFO [stderr]   |
Dec 18 02:29:03.124 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 02:29:03.124 INFO [stderr] 
Dec 18 02:29:03.124 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 18 02:29:03.124 INFO [stderr]    --> src/grid.rs:341:17
Dec 18 02:29:03.124 INFO [stderr]     |
Dec 18 02:29:03.124 INFO [stderr] 341 |                 (width/x_cells),
Dec 18 02:29:03.124 INFO [stderr]     |                 ^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 02:29:03.124 INFO [stderr]     |
Dec 18 02:29:03.124 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 18 02:29:03.124 INFO [stderr] 
Dec 18 02:29:03.124 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 18 02:29:03.124 INFO [stderr]    --> src/grid.rs:342:17
Dec 18 02:29:03.124 INFO [stderr]     |
Dec 18 02:29:03.125 INFO [stderr] 342 |                 (height/y_cells))
Dec 18 02:29:03.125 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 02:29:03.125 INFO [stderr] 
Dec 18 02:29:03.384 INFO [stderr] warning: unused variable: `args`
Dec 18 02:29:03.384 INFO [stderr]   --> src/app.rs:38:30
Dec 18 02:29:03.384 INFO [stderr]    |
Dec 18 02:29:03.384 INFO [stderr] 38 |     pub fn update(&mut self, args: &UpdateArgs) {
Dec 18 02:29:03.384 INFO [stderr]    |                              ^^^^ help: consider using `_args` instead
Dec 18 02:29:03.384 INFO [stderr]    |
Dec 18 02:29:03.384 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 02:29:03.384 INFO [stderr] 
Dec 18 02:29:03.384 INFO [stderr] warning: unused variable: `width`
Dec 18 02:29:03.384 INFO [stderr]    --> src/app.rs:104:16
Dec 18 02:29:03.384 INFO [stderr]     |
Dec 18 02:29:03.385 INFO [stderr] 104 |     pub fn new(width: u32, height: u32, gl: GlGraphics) -> App {
Dec 18 02:29:03.385 INFO [stderr]     |                ^^^^^ help: consider using `_width` instead
Dec 18 02:29:03.385 INFO [stderr] 
Dec 18 02:29:03.385 INFO [stderr] warning: unused variable: `height`
Dec 18 02:29:03.385 INFO [stderr]    --> src/app.rs:104:28
Dec 18 02:29:03.385 INFO [stderr]     |
Dec 18 02:29:03.385 INFO [stderr] 104 |     pub fn new(width: u32, height: u32, gl: GlGraphics) -> App {
Dec 18 02:29:03.385 INFO [stderr]     |                            ^^^^^^ help: consider using `_height` instead
Dec 18 02:29:03.385 INFO [stderr] 
Dec 18 02:29:03.385 INFO [stderr] warning: unused variable: `raw_x`
Dec 18 02:29:03.385 INFO [stderr]    --> src/grid.rs:212:34
Dec 18 02:29:03.385 INFO [stderr]     |
Dec 18 02:29:03.385 INFO [stderr] 212 |     pub fn mouse_move(&mut self, raw_x: u32, raw_y: u32, w: u32, h: u32) {
Dec 18 02:29:03.385 INFO [stderr]     |                                  ^^^^^ help: consider using `_raw_x` instead
Dec 18 02:29:03.385 INFO [stderr] 
Dec 18 02:29:03.385 INFO [stderr] warning: unused variable: `raw_y`
Dec 18 02:29:03.385 INFO [stderr]    --> src/grid.rs:212:46
Dec 18 02:29:03.385 INFO [stderr]     |
Dec 18 02:29:03.385 INFO [stderr] 212 |     pub fn mouse_move(&mut self, raw_x: u32, raw_y: u32, w: u32, h: u32) {
Dec 18 02:29:03.385 INFO [stderr]     |                                              ^^^^^ help: consider using `_raw_y` instead
Dec 18 02:29:03.385 INFO [stderr] 
Dec 18 02:29:03.385 INFO [stderr] warning: unused variable: `w`
Dec 18 02:29:03.385 INFO [stderr]    --> src/grid.rs:212:58
Dec 18 02:29:03.385 INFO [stderr]     |
Dec 18 02:29:03.385 INFO [stderr] 212 |     pub fn mouse_move(&mut self, raw_x: u32, raw_y: u32, w: u32, h: u32) {
Dec 18 02:29:03.385 INFO [stderr]     |                                                          ^ help: consider using `_w` instead
Dec 18 02:29:03.385 INFO [stderr] 
Dec 18 02:29:03.385 INFO [stderr] warning: unused variable: `h`
Dec 18 02:29:03.385 INFO [stderr]    --> src/grid.rs:212:66
Dec 18 02:29:03.385 INFO [stderr]     |
Dec 18 02:29:03.385 INFO [stderr] 212 |     pub fn mouse_move(&mut self, raw_x: u32, raw_y: u32, w: u32, h: u32) {
Dec 18 02:29:03.385 INFO [stderr]     |                                                                  ^ help: consider using `_h` instead
Dec 18 02:29:03.385 INFO [stderr] 
Dec 18 02:29:03.385 INFO [stderr] warning: unused variable: `i`
Dec 18 02:29:03.385 INFO [stderr]    --> src/grid.rs:304:13
Dec 18 02:29:03.385 INFO [stderr]     |
Dec 18 02:29:03.385 INFO [stderr] 304 |         for i in 0..depth {
Dec 18 02:29:03.385 INFO [stderr]     |             ^ help: consider using `_i` instead
Dec 18 02:29:03.385 INFO [stderr] 
Dec 18 02:29:03.385 INFO [stderr] warning: unused variable: `e`
Dec 18 02:29:03.385 INFO [stderr]   --> src/title_page.rs:86:17
Dec 18 02:29:03.385 INFO [stderr]    |
Dec 18 02:29:03.385 INFO [stderr] 86 |             Err(e) => 0.0
Dec 18 02:29:03.385 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 18 02:29:03.385 INFO [stderr] 
Dec 18 02:29:03.385 INFO [stderr] warning: unused variable: `h`
Dec 18 02:29:03.385 INFO [stderr]   --> src/title_page.rs:98:52
Dec 18 02:29:03.385 INFO [stderr]    |
Dec 18 02:29:03.385 INFO [stderr] 98 |     pub fn in_bound(&self, x: u32, y: u32, w: u32, h: u32) -> bool {
Dec 18 02:29:03.385 INFO [stderr]    |                                                    ^ help: consider using `_h` instead
Dec 18 02:29:03.385 INFO [stderr] 
Dec 18 02:29:03.400 INFO [stderr] warning: unused import: `graphics::*`
Dec 18 02:29:03.400 INFO [stderr]  --> src/app.rs:3:5
Dec 18 02:29:03.400 INFO [stderr]   |
Dec 18 02:29:03.400 INFO [stderr] 3 | use graphics::*;
Dec 18 02:29:03.400 INFO [stderr]   |     ^^^^^^^^^^^
Dec 18 02:29:03.400 INFO [stderr]   |
Dec 18 02:29:03.400 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 02:29:03.400 INFO [stderr] 
Dec 18 02:29:03.400 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 18 02:29:03.400 INFO [stderr]    --> src/grid.rs:341:17
Dec 18 02:29:03.400 INFO [stderr]     |
Dec 18 02:29:03.400 INFO [stderr] 341 |                 (width/x_cells),
Dec 18 02:29:03.400 INFO [stderr]     |                 ^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 02:29:03.400 INFO [stderr]     |
Dec 18 02:29:03.400 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 18 02:29:03.400 INFO [stderr] 
Dec 18 02:29:03.400 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 18 02:29:03.400 INFO [stderr]    --> src/grid.rs:342:17
Dec 18 02:29:03.400 INFO [stderr]     |
Dec 18 02:29:03.400 INFO [stderr] 342 |                 (height/y_cells))
Dec 18 02:29:03.400 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 02:29:03.400 INFO [stderr] 
Dec 18 02:29:03.437 INFO [stderr] warning: variant is never constructed: `Fixed`
Dec 18 02:29:03.437 INFO [stderr]   --> src/title_page.rs:12:5
Dec 18 02:29:03.437 INFO [stderr]    |
Dec 18 02:29:03.437 INFO [stderr] 12 |     Fixed((u32, u32)), //fixed with xpos, ypos
Dec 18 02:29:03.437 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 18 02:29:03.437 INFO [stderr]    |
Dec 18 02:29:03.437 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 02:29:03.437 INFO [stderr] 
Dec 18 02:29:03.608 INFO [stderr] warning: unused variable: `args`
Dec 18 02:29:03.608 INFO [stderr]   --> src/app.rs:38:30
Dec 18 02:29:03.608 INFO [stderr]    |
Dec 18 02:29:03.608 INFO [stderr] 38 |     pub fn update(&mut self, args: &UpdateArgs) {
Dec 18 02:29:03.608 INFO [stderr]    |                              ^^^^ help: consider using `_args` instead
Dec 18 02:29:03.608 INFO [stderr]    |
Dec 18 02:29:03.608 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 02:29:03.608 INFO [stderr] 
Dec 18 02:29:03.608 INFO [stderr] warning: unused variable: `width`
Dec 18 02:29:03.608 INFO [stderr]    --> src/app.rs:104:16
Dec 18 02:29:03.609 INFO [stderr]     |
Dec 18 02:29:03.609 INFO [stderr] 104 |     pub fn new(width: u32, height: u32, gl: GlGraphics) -> App {
Dec 18 02:29:03.609 INFO [stderr]     |                ^^^^^ help: consider using `_width` instead
Dec 18 02:29:03.609 INFO [stderr] 
Dec 18 02:29:03.609 INFO [stderr] warning: unused variable: `height`
Dec 18 02:29:03.609 INFO [stderr]    --> src/app.rs:104:28
Dec 18 02:29:03.609 INFO [stderr]     |
Dec 18 02:29:03.609 INFO [stderr] 104 |     pub fn new(width: u32, height: u32, gl: GlGraphics) -> App {
Dec 18 02:29:03.609 INFO [stderr]     |                            ^^^^^^ help: consider using `_height` instead
Dec 18 02:29:03.609 INFO [stderr] 
Dec 18 02:29:03.609 INFO [stderr] warning: unused variable: `raw_x`
Dec 18 02:29:03.609 INFO [stderr]    --> src/grid.rs:212:34
Dec 18 02:29:03.609 INFO [stderr]     |
Dec 18 02:29:03.609 INFO [stderr] 212 |     pub fn mouse_move(&mut self, raw_x: u32, raw_y: u32, w: u32, h: u32) {
Dec 18 02:29:03.609 INFO [stderr]     |                                  ^^^^^ help: consider using `_raw_x` instead
Dec 18 02:29:03.609 INFO [stderr] 
Dec 18 02:29:03.609 INFO [stderr] warning: unused variable: `raw_y`
Dec 18 02:29:03.609 INFO [stderr]    --> src/grid.rs:212:46
Dec 18 02:29:03.609 INFO [stderr]     |
Dec 18 02:29:03.609 INFO [stderr] 212 |     pub fn mouse_move(&mut self, raw_x: u32, raw_y: u32, w: u32, h: u32) {
Dec 18 02:29:03.609 INFO [stderr]     |                                              ^^^^^ help: consider using `_raw_y` instead
Dec 18 02:29:03.609 INFO [stderr] 
Dec 18 02:29:03.609 INFO [stderr] warning: unused variable: `w`
Dec 18 02:29:03.609 INFO [stderr]    --> src/grid.rs:212:58
Dec 18 02:29:03.609 INFO [stderr]     |
Dec 18 02:29:03.609 INFO [stderr] 212 |     pub fn mouse_move(&mut self, raw_x: u32, raw_y: u32, w: u32, h: u32) {
Dec 18 02:29:03.609 INFO [stderr]     |                                                          ^ help: consider using `_w` instead
Dec 18 02:29:03.609 INFO [stderr] 
Dec 18 02:29:03.609 INFO [stderr] warning: unused variable: `h`
Dec 18 02:29:03.609 INFO [stderr]    --> src/grid.rs:212:66
Dec 18 02:29:03.609 INFO [stderr]     |
Dec 18 02:29:03.609 INFO [stderr] 212 |     pub fn mouse_move(&mut self, raw_x: u32, raw_y: u32, w: u32, h: u32) {
Dec 18 02:29:03.609 INFO [stderr]     |                                                                  ^ help: consider using `_h` instead
Dec 18 02:29:03.609 INFO [stderr] 
Dec 18 02:29:03.609 INFO [stderr] warning: unused variable: `i`
Dec 18 02:29:03.609 INFO [stderr]    --> src/grid.rs:304:13
Dec 18 02:29:03.609 INFO [stderr]     |
Dec 18 02:29:03.609 INFO [stderr] 304 |         for i in 0..depth {
Dec 18 02:29:03.609 INFO [stderr]     |             ^ help: consider using `_i` instead
Dec 18 02:29:03.609 INFO [stderr] 
Dec 18 02:29:03.609 INFO [stderr] warning: unused variable: `e`
Dec 18 02:29:03.609 INFO [stderr]   --> src/title_page.rs:86:17
Dec 18 02:29:03.609 INFO [stderr]    |
Dec 18 02:29:03.609 INFO [stderr] 86 |             Err(e) => 0.0
Dec 18 02:29:03.609 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 18 02:29:03.609 INFO [stderr] 
Dec 18 02:29:03.609 INFO [stderr] warning: unused variable: `h`
Dec 18 02:29:03.609 INFO [stderr]   --> src/title_page.rs:98:52
Dec 18 02:29:03.609 INFO [stderr]    |
Dec 18 02:29:03.609 INFO [stderr] 98 |     pub fn in_bound(&self, x: u32, y: u32, w: u32, h: u32) -> bool {
Dec 18 02:29:03.609 INFO [stderr]    |                                                    ^ help: consider using `_h` instead
Dec 18 02:29:03.609 INFO [stderr] 
Dec 18 02:29:03.658 INFO [stderr] warning: variant is never constructed: `Fixed`
Dec 18 02:29:03.658 INFO [stderr]   --> src/title_page.rs:12:5
Dec 18 02:29:03.658 INFO [stderr]    |
Dec 18 02:29:03.658 INFO [stderr] 12 |     Fixed((u32, u32)), //fixed with xpos, ypos
Dec 18 02:29:03.658 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 18 02:29:03.658 INFO [stderr]    |
Dec 18 02:29:03.658 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 02:29:03.658 INFO [stderr] 
Dec 18 02:29:03.728 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.52s
Dec 18 02:29:04.604 INFO running `"docker" "inspect" "bc870a55ff86cf077d1351d9cbcb78b47a267c005f148223529641d2d0d875a2"`
Dec 18 02:29:04.842 INFO running `"docker" "rm" "-f" "bc870a55ff86cf077d1351d9cbcb78b47a267c005f148223529641d2d0d875a2"`
Dec 18 02:29:05.176 INFO [stdout] bc870a55ff86cf077d1351d9cbcb78b47a267c005f148223529641d2d0d875a2