[INFO] cloning repository https://github.com/buggedbit/wall_e
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/buggedbit/wall_e" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuggedbit%2Fwall_e", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuggedbit%2Fwall_e'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc56ee7da458205e4ace4d1184be9958dee7fe0b
[INFO] documenting buggedbit/wall_e against 1.47.0 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuggedbit%2Fwall_e" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/buggedbit/wall_e on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/buggedbit/wall_e
[INFO] finished tweaking git repo https://github.com/buggedbit/wall_e
[INFO] tweaked toml for git repo https://github.com/buggedbit/wall_e written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/buggedbit/wall_e already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a907a5c0b48476b6f5e467bdb32c5e6a838f53f09987f1ab1453fc9b73e2ac7
[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" "4a907a5c0b48476b6f5e467bdb32c5e6a838f53f09987f1ab1453fc9b73e2ac7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a907a5c0b48476b6f5e467bdb32c5e6a838f53f09987f1ab1453fc9b73e2ac7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a907a5c0b48476b6f5e467bdb32c5e6a838f53f09987f1ab1453fc9b73e2ac7", kill_on_drop: false }`
[INFO] [stdout] 4a907a5c0b48476b6f5e467bdb32c5e6a838f53f09987f1ab1453fc9b73e2ac7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca400928bf328b5a96c5be34c3c1528414e833429e4f2f51f9d6ab670dad1c96
[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" "ca400928bf328b5a96c5be34c3c1528414e833429e4f2f51f9d6ab670dad1c96", 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] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking gnuplot v0.0.37
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking rayon-core v1.8.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking num-iter v0.1.41
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking rayon v1.4.0
[INFO] [stderr]     Checking minimp3 v0.3.5
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking glyph_brush_layout v0.1.9
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking zip v0.5.8
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.6
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking glyph_brush v0.6.3
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]     Checking glyph_brush v0.5.4
[INFO] [stderr]     Checking ndarray-rand v0.11.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]     Checking winit v0.19.5
[INFO] [stderr]    Compiling ggez v0.5.1
[INFO] [stderr]     Checking glutin v0.20.1
[INFO] [stderr]     Checking gfx_window_glutin v0.30.0
[INFO] [stderr]     Checking rodio v0.9.0
[INFO] [stderr]     Checking wall-e v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting wall-e v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: Could not document `wall-e`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name sin src/bin/sin.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-3ad193b71da8b9bf.rmeta --extern ggez=/opt/rustwide/target/debug/deps/libggez-67848c66271715f0.rmeta --extern gnuplot=/opt/rustwide/target/debug/deps/libgnuplot-860916a379fbb519.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-bd2ccd18c830a29c.rmeta --extern ndarray_rand=/opt/rustwide/target/debug/deps/libndarray_rand-88526725f8be20e7.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-603316cb39f292b3.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-93d9fc1b2a056db4.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-d98a89ce8af22662.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-4db8304da7d6fef5.rmeta --extern static_assertions=/opt/rustwide/target/debug/deps/libstatic_assertions-cb959170b4570325.rmeta --extern wall_e=/opt/rustwide/target/debug/deps/libwall_e-26287936377ae341.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ca400928bf328b5a96c5be34c3c1528414e833429e4f2f51f9d6ab670dad1c96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca400928bf328b5a96c5be34c3c1528414e833429e4f2f51f9d6ab670dad1c96", kill_on_drop: false }`
[INFO] [stdout] ca400928bf328b5a96c5be34c3c1528414e833429e4f2f51f9d6ab670dad1c96
