Dec 13 12:20:56.492 INFO testing lreynolds18/maze-solver against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 12:20:56.492 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 13 12:20:56.867 INFO [stdout] 60d92888779aa4fd9bc19b3be29d4462d5bc09198dbaef81a096b9600149f3a3
Dec 13 12:20:56.869 INFO running `"docker" "start" "-a" "60d92888779aa4fd9bc19b3be29d4462d5bc09198dbaef81a096b9600149f3a3"`
Dec 13 12:20:58.269 INFO [stderr] usermod: no changes
Dec 13 12:20:58.583 INFO [stderr]    Compiling shared_library v0.1.7
Dec 13 12:20:58.591 INFO [stderr]    Compiling xml-rs v0.7.0
Dec 13 12:20:58.591 INFO [stderr]    Compiling rayon-core v1.2.1
Dec 13 12:20:58.591 INFO [stderr]    Compiling png v0.10.0
Dec 13 12:20:58.607 INFO [stderr]    Compiling x11-dl v2.16.0
Dec 13 12:20:58.607 INFO [stderr]    Compiling piston2d-graphics v0.22.0
Dec 13 12:20:58.607 INFO [stderr]    Compiling pistoncore-input v0.19.0
Dec 13 12:20:58.607 INFO [stderr]    Compiling libloading v0.3.4
Dec 13 12:21:01.364 INFO [stderr]    Compiling dlib v0.3.1
Dec 13 12:21:04.219 INFO [stderr]    Compiling wayland-sys v0.9.10
Dec 13 12:21:04.255 INFO [stderr]    Compiling osmesa-sys v0.1.2
Dec 13 12:21:12.279 INFO [stderr]    Compiling rayon v0.8.2
Dec 13 12:21:14.244 INFO [stderr]    Compiling wayland-client v0.9.10
Dec 13 12:21:14.771 INFO [stderr]    Compiling gl_generator v0.6.1
Dec 13 12:21:16.466 INFO [stderr]    Compiling pistoncore-window v0.29.0
Dec 13 12:21:22.043 INFO [stderr]    Compiling pistoncore-event_loop v0.34.0
Dec 13 12:21:22.878 INFO [stderr]    Compiling wayland-protocols v0.9.10
Dec 13 12:21:22.878 INFO [stderr]    Compiling wayland-kbd v0.9.1
Dec 13 12:21:23.467 INFO [stderr]    Compiling gl v0.6.5
Dec 13 12:21:23.596 INFO [stderr]    Compiling jpeg-decoder v0.1.13
Dec 13 12:21:25.583 INFO [stderr]    Compiling piston v0.34.0
Dec 13 12:21:30.512 INFO [stderr]    Compiling image v0.16.0
Dec 13 12:21:31.720 INFO [stderr]    Compiling wayland-window v0.7.0
Dec 13 12:21:32.919 INFO [stderr]    Compiling winit v0.7.6
Dec 13 12:21:39.874 INFO [stderr]    Compiling glutin v0.9.2
Dec 13 12:21:47.679 INFO [stderr]    Compiling pistoncore-glutin_window v0.40.1
Dec 13 12:21:50.469 INFO [stderr]    Compiling piston2d-opengl_graphics v0.47.0
Dec 13 12:21:52.897 INFO [stderr]    Compiling maze_solver v0.1.0 (/source)
Dec 13 12:21:54.757 INFO [stderr] warning: struct is never constructed: `MazeSolver`
Dec 13 12:21:54.757 INFO [stderr]   --> src/main.rs:32:1
Dec 13 12:21:54.757 INFO [stderr]    |
Dec 13 12:21:54.757 INFO [stderr] 32 | struct MazeSolver {
Dec 13 12:21:54.757 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 13 12:21:54.757 INFO [stderr]    |
Dec 13 12:21:54.757 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 12:21:54.757 INFO [stderr] 
Dec 13 12:21:54.757 INFO [stderr] warning: method is never used: `dfs`
Dec 13 12:21:54.757 INFO [stderr]   --> src/main.rs:37:5
Dec 13 12:21:54.757 INFO [stderr]    |
Dec 13 12:21:54.757 INFO [stderr] 37 |     fn dfs() {}
Dec 13 12:21:54.757 INFO [stderr]    |     ^^^^^^^^
Dec 13 12:21:54.757 INFO [stderr] 
Dec 13 12:21:54.757 INFO [stderr] warning: method is never used: `bfs`
Dec 13 12:21:54.757 INFO [stderr]   --> src/main.rs:40:5
Dec 13 12:21:54.757 INFO [stderr]    |
Dec 13 12:21:54.757 INFO [stderr] 40 |     fn bfs() {}
Dec 13 12:21:54.757 INFO [stderr]    |     ^^^^^^^^
Dec 13 12:21:54.757 INFO [stderr] 
Dec 13 12:21:54.757 INFO [stderr] warning: method is never used: `a_star`
Dec 13 12:21:54.757 INFO [stderr]   --> src/main.rs:43:5
Dec 13 12:21:54.757 INFO [stderr]    |
Dec 13 12:21:54.757 INFO [stderr] 43 |     fn a_star() {}
Dec 13 12:21:54.758 INFO [stderr]    |     ^^^^^^^^^^^
Dec 13 12:21:54.758 INFO [stderr] 
Dec 13 12:21:54.758 INFO [stderr] error: missing documentation for crate
Dec 13 12:21:54.758 INFO [stderr]    --> src/main.rs:1:1
Dec 13 12:21:54.758 INFO [stderr]     |
Dec 13 12:21:54.758 INFO [stderr] 1   | / #![deny(missing_docs)]
Dec 13 12:21:54.758 INFO [stderr] 2   | |
Dec 13 12:21:54.758 INFO [stderr] 3   | | extern crate piston;
Dec 13 12:21:54.758 INFO [stderr] 4   | | extern crate graphics;
Dec 13 12:21:54.758 INFO [stderr] ...   |
Dec 13 12:21:54.758 INFO [stderr] 155 | |     screen.run();
Dec 13 12:21:54.758 INFO [stderr] 156 | | }
Dec 13 12:21:54.758 INFO [stderr]     | |_^
Dec 13 12:21:54.758 INFO [stderr]     |
Dec 13 12:21:54.758 INFO [stderr] note: lint level defined here
Dec 13 12:21:54.758 INFO [stderr]    --> src/main.rs:1:9
Dec 13 12:21:54.758 INFO [stderr]     |
Dec 13 12:21:54.758 INFO [stderr] 1   | #![deny(missing_docs)]
Dec 13 12:21:54.758 INFO [stderr]     |         ^^^^^^^^^^^^
Dec 13 12:21:54.758 INFO [stderr] 
Dec 13 12:21:54.767 INFO [stderr] error: aborting due to previous error
Dec 13 12:21:54.767 INFO [stderr] 
Dec 13 12:21:54.782 INFO [stderr] error: Could not compile `maze_solver`.
Dec 13 12:21:54.782 INFO [stderr] 
Dec 13 12:21:54.782 INFO [stderr] To learn more, run the command again with --verbose.
Dec 13 12:21:54.790 INFO [stderr] su: No module specific data is present
Dec 13 12:21:55.411 INFO running `"docker" "inspect" "60d92888779aa4fd9bc19b3be29d4462d5bc09198dbaef81a096b9600149f3a3"`
Dec 13 12:21:55.581 INFO running `"docker" "rm" "-f" "60d92888779aa4fd9bc19b3be29d4462d5bc09198dbaef81a096b9600149f3a3"`
Dec 13 12:21:55.755 INFO [stdout] 60d92888779aa4fd9bc19b3be29d4462d5bc09198dbaef81a096b9600149f3a3