Dec 17 20:31:36.424 INFO checking lreynolds18/maze-solver against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 20:31:36.424 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/lreynolds18/maze-solver:/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 17 20:31:36.794 INFO [stdout] 632480058afedee92acf15d49f0d165261453313ba57b51ee74c75ce5b3d3f0f
Dec 17 20:31:36.798 INFO running `"docker" "start" "-a" "632480058afedee92acf15d49f0d165261453313ba57b51ee74c75ce5b3d3f0f"`
Dec 17 20:31:38.280 INFO [stderr]    Compiling bitflags v1.0.0
Dec 17 20:31:38.284 INFO [stderr]     Checking arrayvec v0.4.6
Dec 17 20:31:38.284 INFO [stderr]     Checking tempfile v2.2.0
Dec 17 20:31:38.284 INFO [stderr]     Checking rayon-core v1.2.1
Dec 17 20:31:38.288 INFO [stderr]    Compiling glutin v0.9.2
Dec 17 20:31:38.288 INFO [stderr]     Checking png v0.10.0
Dec 17 20:31:38.288 INFO [stderr]    Compiling target_build_utils v0.3.1
Dec 17 20:31:38.288 INFO [stderr]     Checking pistoncore-input v0.19.0
Dec 17 20:31:39.288 INFO [stderr]    Compiling xml-rs v0.7.0
Dec 17 20:31:40.024 INFO [stderr]     Checking rayon v0.8.2
Dec 17 20:31:43.556 INFO [stderr]     Checking rusttype v0.2.3
Dec 17 20:31:45.288 INFO [stderr]     Checking jpeg-decoder v0.1.13
Dec 17 20:31:47.500 INFO [stderr]     Checking pistoncore-window v0.29.0
Dec 17 20:31:48.100 INFO [stderr]    Compiling gl_generator v0.6.1
Dec 17 20:31:48.312 INFO [stderr]     Checking image v0.16.0
Dec 17 20:31:49.328 INFO [stderr]     Checking piston2d-graphics v0.22.0
Dec 17 20:31:50.648 INFO [stderr]     Checking pistoncore-event_loop v0.34.0
Dec 17 20:31:52.143 INFO [stderr]     Checking piston v0.34.0
Dec 17 20:31:53.040 INFO [stderr]    Compiling gl v0.6.5
Dec 17 20:32:00.304 INFO [stderr]    Compiling libloading v0.3.4
Dec 17 20:32:01.880 INFO [stderr]     Checking dlib v0.3.1
Dec 17 20:32:02.080 INFO [stderr]     Checking wayland-sys v0.9.10
Dec 17 20:32:02.504 INFO [stderr]     Checking wayland-client v0.9.10
Dec 17 20:32:03.446 INFO [stderr]     Checking piston2d-opengl_graphics v0.47.0
Dec 17 20:32:04.044 INFO [stderr]     Checking wayland-protocols v0.9.10
Dec 17 20:32:04.044 INFO [stderr]     Checking wayland-kbd v0.9.1
Dec 17 20:32:05.824 INFO [stderr]     Checking wayland-window v0.7.0
Dec 17 20:32:06.132 INFO [stderr]     Checking winit v0.7.6
Dec 17 20:32:08.444 INFO [stderr]     Checking pistoncore-glutin_window v0.40.1
Dec 17 20:32:09.040 INFO [stderr]     Checking maze_solver v0.1.0 (/opt/crater/workdir)
Dec 17 20:32:09.814 INFO [stderr] warning: struct is never constructed: `MazeSolver`
Dec 17 20:32:09.814 INFO [stderr]   --> src/main.rs:32:1
Dec 17 20:32:09.814 INFO [stderr]    |
Dec 17 20:32:09.814 INFO [stderr] 32 | struct MazeSolver {
Dec 17 20:32:09.814 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 17 20:32:09.814 INFO [stderr]    |
Dec 17 20:32:09.814 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 20:32:09.814 INFO [stderr] 
Dec 17 20:32:09.814 INFO [stderr] warning: method is never used: `dfs`
Dec 17 20:32:09.814 INFO [stderr]   --> src/main.rs:37:5
Dec 17 20:32:09.814 INFO [stderr]    |
Dec 17 20:32:09.814 INFO [stderr] 37 |     fn dfs() {}
Dec 17 20:32:09.814 INFO [stderr]    |     ^^^^^^^^
Dec 17 20:32:09.814 INFO [stderr] 
Dec 17 20:32:09.814 INFO [stderr] warning: method is never used: `bfs`
Dec 17 20:32:09.814 INFO [stderr]   --> src/main.rs:40:5
Dec 17 20:32:09.814 INFO [stderr]    |
Dec 17 20:32:09.814 INFO [stderr] 40 |     fn bfs() {}
Dec 17 20:32:09.814 INFO [stderr]    |     ^^^^^^^^
Dec 17 20:32:09.814 INFO [stderr] 
Dec 17 20:32:09.814 INFO [stderr] warning: method is never used: `a_star`
Dec 17 20:32:09.814 INFO [stderr]   --> src/main.rs:43:5
Dec 17 20:32:09.814 INFO [stderr]    |
Dec 17 20:32:09.814 INFO [stderr] 43 |     fn a_star() {}
Dec 17 20:32:09.814 INFO [stderr]    |     ^^^^^^^^^^^
Dec 17 20:32:09.814 INFO [stderr] 
Dec 17 20:32:09.814 INFO [stderr] error: missing documentation for crate
Dec 17 20:32:09.814 INFO [stderr]    --> src/main.rs:1:1
Dec 17 20:32:09.814 INFO [stderr]     |
Dec 17 20:32:09.814 INFO [stderr] 1   | / #![deny(missing_docs)]
Dec 17 20:32:09.814 INFO [stderr] 2   | |
Dec 17 20:32:09.814 INFO [stderr] 3   | | extern crate piston;
Dec 17 20:32:09.814 INFO [stderr] 4   | | extern crate graphics;
Dec 17 20:32:09.814 INFO [stderr] ...   |
Dec 17 20:32:09.814 INFO [stderr] 155 | |     screen.run();
Dec 17 20:32:09.814 INFO [stderr] 156 | | }
Dec 17 20:32:09.814 INFO [stderr]     | |_^
Dec 17 20:32:09.814 INFO [stderr]     |
Dec 17 20:32:09.814 INFO [stderr] note: lint level defined here
Dec 17 20:32:09.814 INFO [stderr]    --> src/main.rs:1:9
Dec 17 20:32:09.814 INFO [stderr]     |
Dec 17 20:32:09.814 INFO [stderr] 1   | #![deny(missing_docs)]
Dec 17 20:32:09.814 INFO [stderr]     |         ^^^^^^^^^^^^
Dec 17 20:32:09.814 INFO [stderr] 
Dec 17 20:32:09.818 INFO [stderr] error: aborting due to previous error
Dec 17 20:32:09.818 INFO [stderr] 
Dec 17 20:32:09.824 INFO [stderr] warning: struct is never constructed: `MazeSolver`
Dec 17 20:32:09.824 INFO [stderr]   --> src/main.rs:32:1
Dec 17 20:32:09.824 INFO [stderr]    |
Dec 17 20:32:09.824 INFO [stderr] 32 | struct MazeSolver {
Dec 17 20:32:09.824 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 17 20:32:09.824 INFO [stderr]    |
Dec 17 20:32:09.824 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 20:32:09.824 INFO [stderr] 
Dec 17 20:32:09.824 INFO [stderr] warning: method is never used: `dfs`
Dec 17 20:32:09.824 INFO [stderr]   --> src/main.rs:37:5
Dec 17 20:32:09.824 INFO [stderr]    |
Dec 17 20:32:09.824 INFO [stderr] 37 |     fn dfs() {}
Dec 17 20:32:09.824 INFO [stderr]    |     ^^^^^^^^
Dec 17 20:32:09.824 INFO [stderr] 
Dec 17 20:32:09.824 INFO [stderr] warning: method is never used: `bfs`
Dec 17 20:32:09.824 INFO [stderr]   --> src/main.rs:40:5
Dec 17 20:32:09.824 INFO [stderr]    |
Dec 17 20:32:09.824 INFO [stderr] 40 |     fn bfs() {}
Dec 17 20:32:09.824 INFO [stderr]    |     ^^^^^^^^
Dec 17 20:32:09.824 INFO [stderr] 
Dec 17 20:32:09.824 INFO [stderr] warning: method is never used: `a_star`
Dec 17 20:32:09.824 INFO [stderr]   --> src/main.rs:43:5
Dec 17 20:32:09.824 INFO [stderr]    |
Dec 17 20:32:09.824 INFO [stderr] 43 |     fn a_star() {}
Dec 17 20:32:09.824 INFO [stderr]    |     ^^^^^^^^^^^
Dec 17 20:32:09.824 INFO [stderr] 
Dec 17 20:32:09.828 INFO [stderr] error: Could not compile `maze_solver`.
Dec 17 20:32:09.828 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 17 20:32:09.851 INFO [stderr] error: build failed
Dec 17 20:32:10.141 INFO running `"docker" "inspect" "632480058afedee92acf15d49f0d165261453313ba57b51ee74c75ce5b3d3f0f"`
Dec 17 20:32:10.268 INFO running `"docker" "rm" "-f" "632480058afedee92acf15d49f0d165261453313ba57b51ee74c75ce5b3d3f0f"`
Dec 17 20:32:10.384 INFO [stdout] 632480058afedee92acf15d49f0d165261453313ba57b51ee74c75ce5b3d3f0f