[INFO] cloning repository https://github.com/Michielnuyts/rust-snake
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Michielnuyts/rust-snake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichielnuyts%2Frust-snake", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichielnuyts%2Frust-snake'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 03dbd6720879e750b78a31c0925f369c9e934345
[INFO] documenting Michielnuyts/rust-snake against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichielnuyts%2Frust-snake" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Michielnuyts/rust-snake on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Michielnuyts/rust-snake
[INFO] finished tweaking git repo https://github.com/Michielnuyts/rust-snake
[INFO] tweaked toml for git repo https://github.com/Michielnuyts/rust-snake written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Michielnuyts/rust-snake already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34f785837d17c231a18a454ae9d3e41bf3381517bde435368a84164f0efc4b1d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "34f785837d17c231a18a454ae9d3e41bf3381517bde435368a84164f0efc4b1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34f785837d17c231a18a454ae9d3e41bf3381517bde435368a84164f0efc4b1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34f785837d17c231a18a454ae9d3e41bf3381517bde435368a84164f0efc4b1d", kill_on_drop: false }`
[INFO] [stdout] 34f785837d17c231a18a454ae9d3e41bf3381517bde435368a84164f0efc4b1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a425689ad131a90548d057dc3e6e9271e7348e46a4fbd32f32c0d1fce24bda16
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a425689ad131a90548d057dc3e6e9271e7348e46a4fbd32f32c0d1fce24bda16", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling cc v1.0.30
[INFO] [stderr]    Compiling khronos_api v3.0.0
[INFO] [stderr]     Checking piston-float v0.3.0
[INFO] [stderr]    Compiling nix v0.12.0
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]     Checking downcast-rs v1.0.3
[INFO] [stderr]     Checking either v1.5.1
[INFO] [stderr]     Checking shader_version v0.3.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking piston-texture v0.6.0
[INFO] [stderr]     Checking safe-transmute v0.10.1
[INFO] [stderr]     Checking interpolation v0.2.0
[INFO] [stderr]     Checking read_color v1.0.0
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]     Checking gif v0.10.1
[INFO] [stderr]     Checking piston-viewport v0.5.0
[INFO] [stderr]     Checking vecmath v0.3.1
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking ordered-float v1.0.1
[INFO] [stderr]     Checking approx v0.3.1
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking stb_truetype v0.2.6
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]    Compiling syn v0.15.27
[INFO] [stderr]    Compiling wayland-scanner v0.21.11
[INFO] [stderr]     Checking rusttype v0.7.5
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]     Checking andrew v0.1.6
[INFO] [stderr]     Checking piston2d-graphics v0.30.0
[INFO] [stderr]     Checking png v0.14.0
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]     Checking rand_os v0.1.2
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]     Checking wayland-sys v0.21.11
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling wayland-client v0.21.11
[INFO] [stderr]    Compiling wayland-protocols v0.21.11
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking wayland-commons v0.21.11
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]    Compiling derivative v1.0.2
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.4
[INFO] [stderr]     Checking gfx_core v0.8.3
[INFO] [stderr]     Checking winit v0.18.1
[INFO] [stderr]     Checking gfx v0.17.1
[INFO] [stderr]     Checking gfx_device_gl v0.15.5
[INFO] [stderr]     Checking pistoncore-input v0.24.0
[INFO] [stderr]     Checking piston-gfx_texture v0.35.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.56.0
[INFO] [stderr]     Checking pistoncore-window v0.37.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.42.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.54.0
[INFO] [stderr]     Checking piston v0.42.0
[INFO] [stderr]     Checking piston_window v0.89.0
[INFO] [stderr]  Documenting snake-game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `draw`
[INFO] [stdout]  --> src/snake.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use draw::draw_block;
[INFO] [stdout]   |     ^^^^ help: a similar path exists: `crate::draw`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `use` statements changed in Rust 2018; read more at <https://doc.rust-lang.org/edition-guide/rust-2018/module-system/path-clarity.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `snake-game`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name snake_game src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern piston_window=/opt/rustwide/target/debug/deps/libpiston_window-1d01c7577a7f73b6.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-65161c910651a2e8.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "a425689ad131a90548d057dc3e6e9271e7348e46a4fbd32f32c0d1fce24bda16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a425689ad131a90548d057dc3e6e9271e7348e46a4fbd32f32c0d1fce24bda16", kill_on_drop: false }`
[INFO] [stdout] a425689ad131a90548d057dc3e6e9271e7348e46a4fbd32f32c0d1fce24bda16