Dec 11 14:32:33.873 INFO checking lreynolds18/maze-solver against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 14:32:33.873 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-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 11 14:32:34.277 INFO [stdout] d6af817e761449b8e2103aab4b9f777dc6ef3d661667209322ecefd49df4c825
Dec 11 14:32:34.279 INFO running `"docker" "start" "-a" "d6af817e761449b8e2103aab4b9f777dc6ef3d661667209322ecefd49df4c825"`
Dec 11 14:32:35.676 INFO [stderr] usermod: no changes
Dec 11 14:32:36.112 INFO [stderr]    Compiling bitflags v1.0.0
Dec 11 14:32:36.112 INFO [stderr]     Checking serde v1.0.19
Dec 11 14:32:36.120 INFO [stderr]    Compiling rand v0.3.18
Dec 11 14:32:36.120 INFO [stderr]     Checking tempfile v2.2.0
Dec 11 14:32:36.120 INFO [stderr]     Checking rayon-core v1.2.1
Dec 11 14:32:36.120 INFO [stderr]     Checking piston2d-graphics v0.22.0
Dec 11 14:32:36.126 INFO [stderr]    Compiling serde_derive v1.0.19
Dec 11 14:32:37.340 INFO [stderr]    Compiling xml-rs v0.7.0
Dec 11 14:32:39.624 INFO [stderr]     Checking rayon v0.8.2
Dec 11 14:32:48.301 INFO [stderr]    Compiling phf_generator v0.7.21
Dec 11 14:32:48.828 INFO [stderr]    Compiling gl_generator v0.6.1
Dec 11 14:32:50.052 INFO [stderr]    Compiling phf_codegen v0.7.21
Dec 11 14:32:52.347 INFO [stderr]    Compiling target_build_utils v0.3.1
Dec 11 14:32:54.992 INFO [stderr]     Checking jpeg-decoder v0.1.13
Dec 11 14:32:59.537 INFO [stderr]    Compiling gl v0.6.5
Dec 11 14:33:00.394 INFO [stderr]     Checking image v0.16.0
Dec 11 14:33:04.430 INFO [stderr]     Checking pistoncore-input v0.19.0
Dec 11 14:33:08.416 INFO [stderr]     Checking pistoncore-window v0.29.0
Dec 11 14:33:09.604 INFO [stderr]     Checking pistoncore-event_loop v0.34.0
Dec 11 14:33:10.506 INFO [stderr]     Checking piston v0.34.0
Dec 11 14:33:11.967 INFO [stderr]    Compiling libloading v0.3.4
Dec 11 14:33:13.190 INFO [stderr]     Checking piston2d-opengl_graphics v0.47.0
Dec 11 14:33:13.648 INFO [stderr]     Checking dlib v0.3.1
Dec 11 14:33:13.941 INFO [stderr]     Checking wayland-sys v0.9.10
Dec 11 14:33:14.420 INFO [stderr]     Checking wayland-client v0.9.10
Dec 11 14:33:15.924 INFO [stderr]     Checking wayland-protocols v0.9.10
Dec 11 14:33:15.924 INFO [stderr]     Checking wayland-kbd v0.9.1
Dec 11 14:33:18.060 INFO [stderr]     Checking wayland-window v0.7.0
Dec 11 14:33:18.640 INFO [stderr]     Checking winit v0.7.6
Dec 11 14:33:20.232 INFO [stderr]     Checking glutin v0.9.2
Dec 11 14:33:21.840 INFO [stderr]     Checking pistoncore-glutin_window v0.40.1
Dec 11 14:33:23.127 INFO [stderr]     Checking maze_solver v0.1.0 (/source)
Dec 11 14:33:25.872 INFO [stderr] warning: struct is never constructed: `MazeSolver`
Dec 11 14:33:25.872 INFO [stderr]   --> src/main.rs:32:1
Dec 11 14:33:25.872 INFO [stderr]    |
Dec 11 14:33:25.872 INFO [stderr] 32 | struct MazeSolver {
Dec 11 14:33:25.872 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 11 14:33:25.872 INFO [stderr]    |
Dec 11 14:33:25.872 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 14:33:25.872 INFO [stderr] 
Dec 11 14:33:25.872 INFO [stderr] warning: method is never used: `dfs`
Dec 11 14:33:25.872 INFO [stderr]   --> src/main.rs:37:5
Dec 11 14:33:25.872 INFO [stderr]    |
Dec 11 14:33:25.872 INFO [stderr] 37 |     fn dfs() {}
Dec 11 14:33:25.872 INFO [stderr]    |     ^^^^^^^^
Dec 11 14:33:25.872 INFO [stderr] 
Dec 11 14:33:25.872 INFO [stderr] warning: method is never used: `bfs`
Dec 11 14:33:25.872 INFO [stderr]   --> src/main.rs:40:5
Dec 11 14:33:25.872 INFO [stderr]    |
Dec 11 14:33:25.872 INFO [stderr] 40 |     fn bfs() {}
Dec 11 14:33:25.872 INFO [stderr]    |     ^^^^^^^^
Dec 11 14:33:25.872 INFO [stderr] 
Dec 11 14:33:25.873 INFO [stderr] warning: method is never used: `a_star`
Dec 11 14:33:25.873 INFO [stderr]   --> src/main.rs:43:5
Dec 11 14:33:25.873 INFO [stderr]    |
Dec 11 14:33:25.873 INFO [stderr] 43 |     fn a_star() {}
Dec 11 14:33:25.873 INFO [stderr]    |     ^^^^^^^^^^^
Dec 11 14:33:25.873 INFO [stderr] 
Dec 11 14:33:26.465 INFO [stderr] warning: struct is never constructed: `MazeSolver`
Dec 11 14:33:26.466 INFO [stderr]   --> src/main.rs:32:1
Dec 11 14:33:26.466 INFO [stderr]    |
Dec 11 14:33:26.466 INFO [stderr] 32 | struct MazeSolver {
Dec 11 14:33:26.466 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 11 14:33:26.466 INFO [stderr]    |
Dec 11 14:33:26.466 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 14:33:26.466 INFO [stderr] 
Dec 11 14:33:26.466 INFO [stderr] warning: method is never used: `dfs`
Dec 11 14:33:26.466 INFO [stderr]   --> src/main.rs:37:5
Dec 11 14:33:26.466 INFO [stderr]    |
Dec 11 14:33:26.466 INFO [stderr] 37 |     fn dfs() {}
Dec 11 14:33:26.466 INFO [stderr]    |     ^^^^^^^^
Dec 11 14:33:26.466 INFO [stderr] 
Dec 11 14:33:26.466 INFO [stderr] warning: method is never used: `bfs`
Dec 11 14:33:26.466 INFO [stderr]   --> src/main.rs:40:5
Dec 11 14:33:26.466 INFO [stderr]    |
Dec 11 14:33:26.466 INFO [stderr] 40 |     fn bfs() {}
Dec 11 14:33:26.466 INFO [stderr]    |     ^^^^^^^^
Dec 11 14:33:26.466 INFO [stderr] 
Dec 11 14:33:26.466 INFO [stderr] warning: method is never used: `a_star`
Dec 11 14:33:26.466 INFO [stderr]   --> src/main.rs:43:5
Dec 11 14:33:26.466 INFO [stderr]    |
Dec 11 14:33:26.466 INFO [stderr] 43 |     fn a_star() {}
Dec 11 14:33:26.466 INFO [stderr]    |     ^^^^^^^^^^^
Dec 11 14:33:26.466 INFO [stderr] 
Dec 11 14:33:26.466 INFO [stderr] error: missing documentation for crate
Dec 11 14:33:26.466 INFO [stderr]    --> src/main.rs:1:1
Dec 11 14:33:26.466 INFO [stderr]     |
Dec 11 14:33:26.466 INFO [stderr] 1   | / #![deny(missing_docs)]
Dec 11 14:33:26.466 INFO [stderr] 2   | |
Dec 11 14:33:26.466 INFO [stderr] 3   | | extern crate piston;
Dec 11 14:33:26.466 INFO [stderr] 4   | | extern crate graphics;
Dec 11 14:33:26.466 INFO [stderr] ...   |
Dec 11 14:33:26.466 INFO [stderr] 155 | |     screen.run();
Dec 11 14:33:26.466 INFO [stderr] 156 | | }
Dec 11 14:33:26.466 INFO [stderr]     | |_^
Dec 11 14:33:26.466 INFO [stderr]     |
Dec 11 14:33:26.466 INFO [stderr] note: lint level defined here
Dec 11 14:33:26.466 INFO [stderr]    --> src/main.rs:1:9
Dec 11 14:33:26.466 INFO [stderr]     |
Dec 11 14:33:26.466 INFO [stderr] 1   | #![deny(missing_docs)]
Dec 11 14:33:26.466 INFO [stderr]     |         ^^^^^^^^^^^^
Dec 11 14:33:26.466 INFO [stderr] 
Dec 11 14:33:26.470 INFO [stderr] error: aborting due to previous error
Dec 11 14:33:26.470 INFO [stderr] 
Dec 11 14:33:26.489 INFO [stderr] error: Could not compile `maze_solver`.
Dec 11 14:33:26.489 INFO [stderr] 
Dec 11 14:33:26.489 INFO [stderr] To learn more, run the command again with --verbose.
Dec 11 14:33:26.493 INFO [stderr] su: No module specific data is present
Dec 11 14:33:27.988 INFO running `"docker" "inspect" "d6af817e761449b8e2103aab4b9f777dc6ef3d661667209322ecefd49df4c825"`
Dec 11 14:33:28.274 INFO running `"docker" "rm" "-f" "d6af817e761449b8e2103aab4b9f777dc6ef3d661667209322ecefd49df4c825"`
Dec 11 14:33:28.624 INFO [stdout] d6af817e761449b8e2103aab4b9f777dc6ef3d661667209322ecefd49df4c825