[INFO] fetching crate ryb_game 0.2.24...
[INFO] documenting ryb_game-0.2.24 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate ryb_game 0.2.24 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ryb_game 0.2.24 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ryb_game 0.2.24
[INFO] finished tweaking crates.io crate ryb_game 0.2.24
[INFO] tweaked toml for crates.io crate ryb_game 0.2.24 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded piston2d-graphics v0.21.1
[INFO] [stderr]   Downloaded piston v0.31.4
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.31.4
[INFO] [stderr]   Downloaded piston2d-gfx_graphics v0.38.0
[INFO] [stderr]   Downloaded pistoncore-window v0.26.2
[INFO] [stderr]   Downloaded pistoncore-input v0.17.1
[INFO] [stderr]   Downloaded piston-gfx_texture v0.22.1
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.35.1
[INFO] [stderr]   Downloaded gfx v0.14.1
[INFO] [stderr]   Downloaded piston_window v0.64.0
[INFO] [stderr]   Downloaded gfx_device_gl v0.13.1
[INFO] [stderr]   Downloaded gfx_core v0.6.1
[INFO] [stderr]   Downloaded piston2d-opengl_graphics v0.42.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b11215f91d76e76d5806a4880f073719d590b45b53524835983c8bf10996f2f
[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" "3b11215f91d76e76d5806a4880f073719d590b45b53524835983c8bf10996f2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b11215f91d76e76d5806a4880f073719d590b45b53524835983c8bf10996f2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b11215f91d76e76d5806a4880f073719d590b45b53524835983c8bf10996f2f", kill_on_drop: false }`
[INFO] [stdout] 3b11215f91d76e76d5806a4880f073719d590b45b53524835983c8bf10996f2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0088c2f6f4ef3d215a493faefd3b78071b4296223d1f8537e6ba5cc6e2d436a7
[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" "0088c2f6f4ef3d215a493faefd3b78071b4296223d1f8537e6ba5cc6e2d436a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]     Checking piston-float v0.3.0
[INFO] [stderr]    Compiling khronos_api v1.0.1
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]     Checking shader_version v0.2.2
[INFO] [stderr]     Checking bitflags v0.6.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking inflate v0.1.1
[INFO] [stderr]     Checking piston-texture v0.5.0
[INFO] [stderr]     Checking interpolation v0.1.0
[INFO] [stderr]     Checking read_color v0.1.0
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.3.1
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]    Compiling xml-rs v0.3.6
[INFO] [stderr]     Checking draw_state v0.6.0
[INFO] [stderr]     Checking piston-viewport v0.3.0
[INFO] [stderr]     Checking vecmath v0.3.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling xml-rs v0.6.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking pistoncore-input v0.17.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking piston2d-graphics v0.21.1
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]     Checking gfx_core v0.6.1
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking png v0.6.2
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]     Checking pistoncore-window v0.26.2
[INFO] [stderr]     Checking stb_truetype v0.2.8
[INFO] [stderr]    Compiling gl_generator v0.6.1
[INFO] [stderr]    Compiling wayland-scanner v0.7.8
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking pistoncore-event_loop v0.31.4
[INFO] [stderr]    Compiling gl_generator v0.5.5
[INFO] [stderr]     Checking piston v0.31.4
[INFO] [stderr]     Checking rusttype v0.2.4
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]     Checking image v0.12.4
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling wayland-client v0.7.8
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling gl v0.6.5
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling gfx_gl v0.3.1
[INFO] [stderr]    Compiling glutin v0.7.4
[INFO] [stderr]     Checking gfx v0.14.1
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]     Checking piston-gfx_texture v0.22.1
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.38.0
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.42.1
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]     Checking gfx_device_gl v0.13.1
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.7.8
[INFO] [stderr]     Checking wayland-window v0.4.4
[INFO] [stderr]     Checking wayland-kbd v0.6.3
[INFO] [stderr]     Checking winit v0.5.11
[INFO] [stderr]     Checking pistoncore-glutin_window v0.35.1
[INFO] [stderr]     Checking piston_window v0.64.0
[INFO] [stderr]  Documenting ryb_game v0.2.24 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `alloc_system`
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate alloc_system;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `ryb_game`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name ryb_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 getopts=/opt/rustwide/target/debug/deps/libgetopts-b6b87ac485e83773.rmeta --extern glob=/opt/rustwide/target/debug/deps/libglob-e104d6e1391c475c.rmeta --extern image=/opt/rustwide/target/debug/deps/libimage-d73a5e41b936259b.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-e33c602b229ad16f.rmeta --extern piston=/opt/rustwide/target/debug/deps/libpiston-2eb45ab2231e8d77.rmeta --extern graphics=/opt/rustwide/target/debug/deps/libgraphics-81f603c93aed4de0.rmeta --extern opengl_graphics=/opt/rustwide/target/debug/deps/libopengl_graphics-d23f73627dfaecd7.rmeta --extern piston_window=/opt/rustwide/target/debug/deps/libpiston_window-8ee69b19727b99ba.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-c42c7071001c27f2.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7782f3c201500f52.rmeta --extern crypto=/opt/rustwide/target/debug/deps/libcrypto-3dca84d7ed372bb7.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-ec5e695d7e4b5284.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-e14ca5de376ec3cc.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-c4ec997ff5337c19.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-d2bad9c36a0b5ce7.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-bb712bfb1e6d5b0b.rmeta --extern yaml_rust=/opt/rustwide/target/debug/deps/libyaml_rust-602d711556df6bb5.rmeta --cap-lints=warn --crate-version 0.2.24` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "0088c2f6f4ef3d215a493faefd3b78071b4296223d1f8537e6ba5cc6e2d436a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0088c2f6f4ef3d215a493faefd3b78071b4296223d1f8537e6ba5cc6e2d436a7", kill_on_drop: false }`
[INFO] [stdout] 0088c2f6f4ef3d215a493faefd3b78071b4296223d1f8537e6ba5cc6e2d436a7