[INFO] fetching crate ryb_game 0.2.24...
[INFO] documenting ryb_game-0.2.24 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate ryb_game 0.2.24 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ryb_game 0.2.24 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2539f5bf439fbb0585094c94757e3efa74b727e38e4897851e0b1877873729e
[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" "c2539f5bf439fbb0585094c94757e3efa74b727e38e4897851e0b1877873729e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2539f5bf439fbb0585094c94757e3efa74b727e38e4897851e0b1877873729e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2539f5bf439fbb0585094c94757e3efa74b727e38e4897851e0b1877873729e", kill_on_drop: false }`
[INFO] [stdout] c2539f5bf439fbb0585094c94757e3efa74b727e38e4897851e0b1877873729e
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 71f89cf5c59318bdd6baaac4b20db67b594c097663b33eb05a76854d684d27e0
[INFO] running `Command { std: "docker" "start" "-a" "71f89cf5c59318bdd6baaac4b20db67b594c097663b33eb05a76854d684d27e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]     Checking bitflags v0.6.0
[INFO] [stderr]     Checking read_color v0.1.0
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.3.1
[INFO] [stderr]     Checking piston-viewport v0.3.0
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]    Compiling xml-rs v0.3.6
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling gl_generator v0.6.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]    Compiling gfx_gl v0.3.1
[INFO] [stderr]    Compiling glutin v0.7.4
[INFO] [stderr]     Checking pistoncore-input v0.17.1
[INFO] [stderr]     Checking draw_state v0.6.0
[INFO] [stderr]     Checking piston2d-graphics v0.21.1
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking stb_truetype v0.2.8
[INFO] [stderr]     Checking rusttype v0.2.4
[INFO] [stderr]     Checking gfx_core v0.6.1
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling wayland-scanner v0.7.8
[INFO] [stderr]     Checking pistoncore-window v0.26.2
[INFO] [stderr]     Checking pistoncore-event_loop v0.31.4
[INFO] [stderr]    Compiling gl v0.6.5
[INFO] [stderr]     Checking gfx v0.14.1
[INFO] [stderr]     Checking piston v0.31.4
[INFO] [stderr]    Compiling wayland-client v0.7.8
[INFO] [stderr]     Checking piston-gfx_texture v0.22.1
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.38.0
[INFO] [stderr]     Checking gfx_device_gl v0.13.1
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.42.1
[INFO] [stderr]    Compiling libloading v0.3.4
[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-8d1bb0c45a53763d.rmeta --extern glob=/opt/rustwide/target/debug/deps/libglob-61b3d0371d1ed0dd.rmeta --extern image=/opt/rustwide/target/debug/deps/libimage-ce682ac679b14f45.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-dcbd8fda68976995.rmeta --extern piston=/opt/rustwide/target/debug/deps/libpiston-5df99eb44bb1bbac.rmeta --extern graphics=/opt/rustwide/target/debug/deps/libgraphics-12f98b32f1f648e6.rmeta --extern opengl_graphics=/opt/rustwide/target/debug/deps/libopengl_graphics-abf099de96634d41.rmeta --extern piston_window=/opt/rustwide/target/debug/deps/libpiston_window-b0bb7c95bbbbd598.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-577ffa6562df8c78.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-f5cb222ddd7062a0.rmeta --extern crypto=/opt/rustwide/target/debug/deps/libcrypto-8739da935b0a9a07.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-5678c1422d6b64cb.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-05e319b971c8ec6f.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-9010c99f689210cb.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-f3559e6da0a26bab.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-85c243a9e9a9ce48.rmeta --extern yaml_rust=/opt/rustwide/target/debug/deps/libyaml_rust-37966a6bfd99706d.rmeta --cap-lints=warn --crate-version 0.2.24` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "71f89cf5c59318bdd6baaac4b20db67b594c097663b33eb05a76854d684d27e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71f89cf5c59318bdd6baaac4b20db67b594c097663b33eb05a76854d684d27e0", kill_on_drop: false }`
[INFO] [stdout] 71f89cf5c59318bdd6baaac4b20db67b594c097663b33eb05a76854d684d27e0
