[INFO] updating cached repository stallmanifold/sudoku
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/stallmanifold/sudoku
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/stallmanifold/sudoku" "work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/stallmanifold/sudoku"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/stallmanifold/sudoku'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/stallmanifold/sudoku" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/stallmanifold/sudoku"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/stallmanifold/sudoku'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d02ef752646781f4d2a101022c2c066783c930ce
[INFO] sha for GitHub repo stallmanifold/sudoku: d02ef752646781f4d2a101022c2c066783c930ce
[INFO] validating manifest of stallmanifold/sudoku on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of stallmanifold/sudoku on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing stallmanifold/sudoku
[INFO] finished frobbing stallmanifold/sudoku
[INFO] frobbed toml for stallmanifold/sudoku written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/stallmanifold/sudoku/Cargo.toml
[INFO] started frobbing stallmanifold/sudoku
[INFO] finished frobbing stallmanifold/sudoku
[INFO] frobbed toml for stallmanifold/sudoku written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/stallmanifold/sudoku/Cargo.toml
[INFO] crate stallmanifold/sudoku already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking stallmanifold/sudoku against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-6/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/stallmanifold/sudoku:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 872cee5e8c301bde83a39c0fe63e810a60c1f5dbbe0fa6c3c283e11dad00d8e6
[INFO] running `"docker" "start" "-a" "872cee5e8c301bde83a39c0fe63e810a60c1f5dbbe0fa6c3c283e11dad00d8e6"`
[INFO] [stderr]    Compiling libc v0.2.26
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling xml-rs v0.6.0
[INFO] [stderr]     Checking num_cpus v1.6.2
[INFO] [stderr]     Checking shared_library v0.1.6
[INFO] [stderr]     Checking deflate v0.7.14
[INFO] [stderr]    Compiling wayland-scanner v0.9.9
[INFO] [stderr]     Checking tempfile v2.1.6
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking x11-dl v2.14.0
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]     Checking rayon-core v1.2.1
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking png v0.8.0
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling wayland-client v0.9.9
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling gl_generator v0.5.5
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.13
[INFO] [stderr]    Compiling gl v0.6.3
[INFO] [stderr]    Compiling glutin v0.9.1
[INFO] [stderr]     Checking image v0.14.0
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.9.9
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.45.0
[INFO] [stderr]     Checking wayland-kbd v0.9.1
[INFO] [stderr]     Checking wayland-window v0.6.1
[INFO] [stderr]     Checking winit v0.7.5
[INFO] [stderr]     Checking pistoncore-glutin_window v0.38.0
[INFO] [stderr]     Checking sudoku v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/gameboard_view.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |         /// Draw characters.
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 106 |         let text_image = Image::new_color(settings.text_color);
[INFO] [stderr]     |         ------------------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/gameboard_view.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |         /// Draw characters.
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 106 |         let text_image = Image::new_color(settings.text_color);
[INFO] [stderr]     |         ------------------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.16s
[INFO] running `"docker" "inspect" "872cee5e8c301bde83a39c0fe63e810a60c1f5dbbe0fa6c3c283e11dad00d8e6"`
[INFO] running `"docker" "rm" "-f" "872cee5e8c301bde83a39c0fe63e810a60c1f5dbbe0fa6c3c283e11dad00d8e6"`
[INFO] [stdout] 872cee5e8c301bde83a39c0fe63e810a60c1f5dbbe0fa6c3c283e11dad00d8e6