Dec 13 12:20:56.544 INFO testing lreynolds18/maze-solver against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 12:20:56.544 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 12:20:57.103 INFO [stdout] 9c35473eeb363a0dd088184e64c8a612fec3dd4a9addf12c49f8c843375d8ee4
Dec 13 12:20:57.107 INFO running `"docker" "start" "-a" "9c35473eeb363a0dd088184e64c8a612fec3dd4a9addf12c49f8c843375d8ee4"`
Dec 13 12:20:58.818 INFO [stderr] usermod: no changes
Dec 13 12:20:59.197 INFO [stderr]    Compiling xml-rs v0.7.0
Dec 13 12:20:59.199 INFO [stderr]    Compiling tempfile v2.2.0
Dec 13 12:20:59.200 INFO [stderr]    Compiling rayon-core v1.2.1
Dec 13 12:20:59.200 INFO [stderr]    Compiling piston2d-graphics v0.22.0
Dec 13 12:20:59.200 INFO [stderr]    Compiling target_build_utils v0.3.1
Dec 13 12:20:59.221 INFO [stderr]    Compiling pistoncore-input v0.19.0
Dec 13 12:21:09.903 INFO [stderr]    Compiling rayon v0.8.2
Dec 13 12:21:10.739 INFO [stderr]    Compiling gl_generator v0.6.1
Dec 13 12:21:14.167 INFO [stderr]    Compiling pistoncore-window v0.29.0
Dec 13 12:21:18.535 INFO [stderr]    Compiling jpeg-decoder v0.1.13
Dec 13 12:21:19.078 INFO [stderr]    Compiling gl v0.6.5
Dec 13 12:21:19.107 INFO [stderr]    Compiling pistoncore-event_loop v0.34.0
Dec 13 12:21:22.707 INFO [stderr]    Compiling piston v0.34.0
Dec 13 12:21:25.595 INFO [stderr]    Compiling image v0.16.0
Dec 13 12:21:33.339 INFO [stderr]    Compiling libloading v0.3.4
Dec 13 12:21:39.379 INFO [stderr]    Compiling dlib v0.3.1
Dec 13 12:21:40.151 INFO [stderr]    Compiling wayland-sys v0.9.10
Dec 13 12:21:44.963 INFO [stderr]    Compiling wayland-client v0.9.10
Dec 13 12:21:46.361 INFO [stderr]    Compiling piston2d-opengl_graphics v0.47.0
Dec 13 12:21:48.267 INFO [stderr]    Compiling wayland-protocols v0.9.10
Dec 13 12:21:48.267 INFO [stderr]    Compiling wayland-kbd v0.9.1
Dec 13 12:21:51.427 INFO [stderr]    Compiling wayland-window v0.7.0
Dec 13 12:21:52.074 INFO [stderr]    Compiling winit v0.7.6
Dec 13 12:21:55.887 INFO [stderr]    Compiling glutin v0.9.2
Dec 13 12:21:58.051 INFO [stderr]    Compiling pistoncore-glutin_window v0.40.1
Dec 13 12:22:00.615 INFO [stderr]    Compiling maze_solver v0.1.0 (/source)
Dec 13 12:22:02.622 INFO [stderr] warning: struct is never constructed: `MazeSolver`
Dec 13 12:22:02.623 INFO [stderr]   --> src/main.rs:32:1
Dec 13 12:22:02.623 INFO [stderr]    |
Dec 13 12:22:02.623 INFO [stderr] 32 | struct MazeSolver {
Dec 13 12:22:02.623 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 13 12:22:02.623 INFO [stderr]    |
Dec 13 12:22:02.623 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 12:22:02.623 INFO [stderr] 
Dec 13 12:22:02.623 INFO [stderr] warning: method is never used: `dfs`
Dec 13 12:22:02.623 INFO [stderr]   --> src/main.rs:37:5
Dec 13 12:22:02.623 INFO [stderr]    |
Dec 13 12:22:02.623 INFO [stderr] 37 |     fn dfs() {}
Dec 13 12:22:02.623 INFO [stderr]    |     ^^^^^^^^
Dec 13 12:22:02.623 INFO [stderr] 
Dec 13 12:22:02.623 INFO [stderr] warning: method is never used: `bfs`
Dec 13 12:22:02.623 INFO [stderr]   --> src/main.rs:40:5
Dec 13 12:22:02.623 INFO [stderr]    |
Dec 13 12:22:02.623 INFO [stderr] 40 |     fn bfs() {}
Dec 13 12:22:02.623 INFO [stderr]    |     ^^^^^^^^
Dec 13 12:22:02.623 INFO [stderr] 
Dec 13 12:22:02.623 INFO [stderr] warning: method is never used: `a_star`
Dec 13 12:22:02.623 INFO [stderr]   --> src/main.rs:43:5
Dec 13 12:22:02.623 INFO [stderr]    |
Dec 13 12:22:02.623 INFO [stderr] 43 |     fn a_star() {}
Dec 13 12:22:02.623 INFO [stderr]    |     ^^^^^^^^^^^
Dec 13 12:22:02.623 INFO [stderr] 
Dec 13 12:22:02.623 INFO [stderr] error: missing documentation for crate
Dec 13 12:22:02.623 INFO [stderr]    --> src/main.rs:1:1
Dec 13 12:22:02.623 INFO [stderr]     |
Dec 13 12:22:02.623 INFO [stderr] 1   | / #![deny(missing_docs)]
Dec 13 12:22:02.623 INFO [stderr] 2   | |
Dec 13 12:22:02.623 INFO [stderr] 3   | | extern crate piston;
Dec 13 12:22:02.623 INFO [stderr] 4   | | extern crate graphics;
Dec 13 12:22:02.623 INFO [stderr] ...   |
Dec 13 12:22:02.623 INFO [stderr] 155 | |     screen.run();
Dec 13 12:22:02.623 INFO [stderr] 156 | | }
Dec 13 12:22:02.623 INFO [stderr]     | |_^
Dec 13 12:22:02.623 INFO [stderr]     |
Dec 13 12:22:02.623 INFO [stderr] note: lint level defined here
Dec 13 12:22:02.623 INFO [stderr]    --> src/main.rs:1:9
Dec 13 12:22:02.623 INFO [stderr]     |
Dec 13 12:22:02.623 INFO [stderr] 1   | #![deny(missing_docs)]
Dec 13 12:22:02.623 INFO [stderr]     |         ^^^^^^^^^^^^
Dec 13 12:22:02.623 INFO [stderr] 
Dec 13 12:22:02.623 INFO [stderr] error: aborting due to previous error
Dec 13 12:22:02.623 INFO [stderr] 
Dec 13 12:22:02.643 INFO [stderr] error: Could not compile `maze_solver`.
Dec 13 12:22:02.643 INFO [stderr] 
Dec 13 12:22:02.643 INFO [stderr] To learn more, run the command again with --verbose.
Dec 13 12:22:02.651 INFO [stderr] su: No module specific data is present
Dec 13 12:22:03.241 INFO running `"docker" "inspect" "9c35473eeb363a0dd088184e64c8a612fec3dd4a9addf12c49f8c843375d8ee4"`
Dec 13 12:22:03.439 INFO running `"docker" "rm" "-f" "9c35473eeb363a0dd088184e64c8a612fec3dd4a9addf12c49f8c843375d8ee4"`
Dec 13 12:22:03.598 INFO [stdout] 9c35473eeb363a0dd088184e64c8a612fec3dd4a9addf12c49f8c843375d8ee4