Dec 05 16:05:48.026 INFO testing lreynolds18/maze-solver against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 16:05:48.026 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-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 05 16:05:48.602 INFO [stdout] f7b9101cb68ad18b6d4ae4ec3be2902f16034f1b9c6b75434f7cc49e7696c85a
Dec 05 16:05:48.605 INFO running `"docker" "start" "-a" "f7b9101cb68ad18b6d4ae4ec3be2902f16034f1b9c6b75434f7cc49e7696c85a"`
Dec 05 16:05:50.432 INFO [stderr] usermod: no changes
Dec 05 16:05:50.857 INFO [stderr]    Compiling either v1.3.0
Dec 05 16:05:50.864 INFO [stderr]    Compiling serde v1.0.19
Dec 05 16:05:50.910 INFO [stderr]    Compiling png v0.10.0
Dec 05 16:05:50.912 INFO [stderr]    Compiling piston2d-graphics v0.22.0
Dec 05 16:05:50.918 INFO [stderr]    Compiling serde_derive v1.0.19
Dec 05 16:05:50.920 INFO [stderr]    Compiling wayland-window v0.7.0
Dec 05 16:05:53.481 INFO [stderr]    Compiling coco v0.1.1
Dec 05 16:05:54.256 INFO [stderr]    Compiling winit v0.7.6
Dec 05 16:05:57.388 INFO [stderr]    Compiling rayon-core v1.2.1
Dec 05 16:06:02.946 INFO [stderr]    Compiling rayon v0.8.2
Dec 05 16:06:10.280 INFO [stderr]    Compiling glutin v0.9.2
Dec 05 16:06:13.944 INFO [stderr]    Compiling jpeg-decoder v0.1.13
Dec 05 16:06:18.431 INFO [stderr]    Compiling pistoncore-input v0.19.0
Dec 05 16:06:20.240 INFO [stderr]    Compiling image v0.16.0
Dec 05 16:06:23.732 INFO [stderr]    Compiling pistoncore-window v0.29.0
Dec 05 16:06:25.706 INFO [stderr]    Compiling pistoncore-event_loop v0.34.0
Dec 05 16:06:25.706 INFO [stderr]    Compiling pistoncore-glutin_window v0.40.1
Dec 05 16:06:27.438 INFO [stderr]    Compiling piston v0.34.0
Dec 05 16:06:37.507 INFO [stderr]    Compiling piston2d-opengl_graphics v0.47.0
Dec 05 16:06:39.503 INFO [stderr]    Compiling maze_solver v0.1.0 (/source)
Dec 05 16:06:41.518 INFO [stderr] warning: struct is never constructed: `MazeSolver`
Dec 05 16:06:41.518 INFO [stderr]   --> src/main.rs:32:1
Dec 05 16:06:41.518 INFO [stderr]    |
Dec 05 16:06:41.518 INFO [stderr] 32 | struct MazeSolver {
Dec 05 16:06:41.518 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 05 16:06:41.518 INFO [stderr]    |
Dec 05 16:06:41.518 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 16:06:41.518 INFO [stderr] 
Dec 05 16:06:41.518 INFO [stderr] warning: method is never used: `dfs`
Dec 05 16:06:41.518 INFO [stderr]   --> src/main.rs:37:5
Dec 05 16:06:41.518 INFO [stderr]    |
Dec 05 16:06:41.518 INFO [stderr] 37 |     fn dfs() {}
Dec 05 16:06:41.518 INFO [stderr]    |     ^^^^^^^^
Dec 05 16:06:41.518 INFO [stderr] 
Dec 05 16:06:41.518 INFO [stderr] warning: method is never used: `bfs`
Dec 05 16:06:41.518 INFO [stderr]   --> src/main.rs:40:5
Dec 05 16:06:41.518 INFO [stderr]    |
Dec 05 16:06:41.518 INFO [stderr] 40 |     fn bfs() {}
Dec 05 16:06:41.518 INFO [stderr]    |     ^^^^^^^^
Dec 05 16:06:41.518 INFO [stderr] 
Dec 05 16:06:41.518 INFO [stderr] warning: method is never used: `a_star`
Dec 05 16:06:41.518 INFO [stderr]   --> src/main.rs:43:5
Dec 05 16:06:41.519 INFO [stderr]    |
Dec 05 16:06:41.519 INFO [stderr] 43 |     fn a_star() {}
Dec 05 16:06:41.519 INFO [stderr]    |     ^^^^^^^^^^^
Dec 05 16:06:41.519 INFO [stderr] 
Dec 05 16:06:41.519 INFO [stderr] error: missing documentation for crate
Dec 05 16:06:41.519 INFO [stderr]    --> src/main.rs:1:1
Dec 05 16:06:41.519 INFO [stderr]     |
Dec 05 16:06:41.519 INFO [stderr] 1   | / #![deny(missing_docs)]
Dec 05 16:06:41.519 INFO [stderr] 2   | |
Dec 05 16:06:41.519 INFO [stderr] 3   | | extern crate piston;
Dec 05 16:06:41.519 INFO [stderr] 4   | | extern crate graphics;
Dec 05 16:06:41.519 INFO [stderr] ...   |
Dec 05 16:06:41.519 INFO [stderr] 155 | |     screen.run();
Dec 05 16:06:41.519 INFO [stderr] 156 | | }
Dec 05 16:06:41.519 INFO [stderr]     | |_^
Dec 05 16:06:41.519 INFO [stderr]     |
Dec 05 16:06:41.519 INFO [stderr] note: lint level defined here
Dec 05 16:06:41.519 INFO [stderr]    --> src/main.rs:1:9
Dec 05 16:06:41.519 INFO [stderr]     |
Dec 05 16:06:41.519 INFO [stderr] 1   | #![deny(missing_docs)]
Dec 05 16:06:41.519 INFO [stderr]     |         ^^^^^^^^^^^^
Dec 05 16:06:41.519 INFO [stderr] 
Dec 05 16:06:41.523 INFO [stderr] error: aborting due to previous error
Dec 05 16:06:41.523 INFO [stderr] 
Dec 05 16:06:41.542 INFO [stderr] error: Could not compile `maze_solver`.
Dec 05 16:06:41.542 INFO [stderr] 
Dec 05 16:06:41.542 INFO [stderr] To learn more, run the command again with --verbose.
Dec 05 16:06:41.546 INFO [stderr] su: No module specific data is present
Dec 05 16:06:41.886 INFO running `"docker" "inspect" "f7b9101cb68ad18b6d4ae4ec3be2902f16034f1b9c6b75434f7cc49e7696c85a"`
Dec 05 16:06:42.043 INFO running `"docker" "rm" "-f" "f7b9101cb68ad18b6d4ae4ec3be2902f16034f1b9c6b75434f7cc49e7696c85a"`
Dec 05 16:06:42.117 INFO [stdout] f7b9101cb68ad18b6d4ae4ec3be2902f16034f1b9c6b75434f7cc49e7696c85a