[INFO] cloning repository https://github.com/mistrpopo/MandelbrotAnimation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mistrpopo/MandelbrotAnimation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmistrpopo%2FMandelbrotAnimation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmistrpopo%2FMandelbrotAnimation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 38310e3c26428ceea79a99fc6233130a53373f12
[INFO] documenting mistrpopo/MandelbrotAnimation against master#d7d9f15be205b45d44700e7ac33b4f79b91f9680 for pr-117450
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmistrpopo%2FMandelbrotAnimation" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mistrpopo/MandelbrotAnimation on toolchain d7d9f15be205b45d44700e7ac33b4f79b91f9680
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d7d9f15be205b45d44700e7ac33b4f79b91f9680" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mistrpopo/MandelbrotAnimation
[INFO] finished tweaking git repo https://github.com/mistrpopo/MandelbrotAnimation
[INFO] tweaked toml for git repo https://github.com/mistrpopo/MandelbrotAnimation written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mistrpopo/MandelbrotAnimation already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d7d9f15be205b45d44700e7ac33b4f79b91f9680" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] documenting mistrpopo/MandelbrotAnimation against master#50be22964035027398754e54cd3a497efb00f83e for pr-117450
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmistrpopo%2FMandelbrotAnimation" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mistrpopo/MandelbrotAnimation on toolchain 50be22964035027398754e54cd3a497efb00f83e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50be22964035027398754e54cd3a497efb00f83e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mistrpopo/MandelbrotAnimation
[INFO] finished tweaking git repo https://github.com/mistrpopo/MandelbrotAnimation
[INFO] tweaked toml for git repo https://github.com/mistrpopo/MandelbrotAnimation written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mistrpopo/MandelbrotAnimation already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50be22964035027398754e54cd3a497efb00f83e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] documenting mistrpopo/MandelbrotAnimation against master#50be22964035027398754e54cd3a497efb00f83e for pr-117450
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmistrpopo%2FMandelbrotAnimation" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mistrpopo/MandelbrotAnimation on toolchain 50be22964035027398754e54cd3a497efb00f83e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50be22964035027398754e54cd3a497efb00f83e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mistrpopo/MandelbrotAnimation
[INFO] finished tweaking git repo https://github.com/mistrpopo/MandelbrotAnimation
[INFO] tweaked toml for git repo https://github.com/mistrpopo/MandelbrotAnimation written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mistrpopo/MandelbrotAnimation already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50be22964035027398754e54cd3a497efb00f83e" "fetch" "--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
[ERROR] error running command: no output for 300 seconds
[INFO] documenting mistrpopo/MandelbrotAnimation against master#50be22964035027398754e54cd3a497efb00f83e for pr-117450
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmistrpopo%2FMandelbrotAnimation" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mistrpopo/MandelbrotAnimation on toolchain 50be22964035027398754e54cd3a497efb00f83e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50be22964035027398754e54cd3a497efb00f83e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mistrpopo/MandelbrotAnimation
[INFO] finished tweaking git repo https://github.com/mistrpopo/MandelbrotAnimation
[INFO] tweaked toml for git repo https://github.com/mistrpopo/MandelbrotAnimation written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mistrpopo/MandelbrotAnimation already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50be22964035027398754e54cd3a497efb00f83e" "fetch" "--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
[ERROR] error running command: no output for 300 seconds
[INFO] documenting mistrpopo/MandelbrotAnimation against master#50be22964035027398754e54cd3a497efb00f83e for pr-117450
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmistrpopo%2FMandelbrotAnimation" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mistrpopo/MandelbrotAnimation on toolchain 50be22964035027398754e54cd3a497efb00f83e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50be22964035027398754e54cd3a497efb00f83e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mistrpopo/MandelbrotAnimation
[INFO] finished tweaking git repo https://github.com/mistrpopo/MandelbrotAnimation
[INFO] tweaked toml for git repo https://github.com/mistrpopo/MandelbrotAnimation written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mistrpopo/MandelbrotAnimation already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50be22964035027398754e54cd3a497efb00f83e" "fetch" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded color_quant v1.0.0
[INFO] [stderr]   Downloaded enum_primitive v0.1.1
[INFO] [stderr]   Downloaded fnv v1.0.5
[INFO] [stderr]   Downloaded vulkano-shaders v0.7.1
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.13
[INFO] [stderr]   Downloaded cc v1.0.0
[INFO] [stderr]   Downloaded vk-sys v0.3.1
[INFO] [stderr]   Downloaded vulkano-shader-derive v0.7.1
[INFO] [stderr]   Downloaded scoped_threadpool v0.1.8
[INFO] [stderr]   Downloaded num-iter v0.1.34
[INFO] [stderr]   Downloaded scopeguard v0.3.2
[INFO] [stderr]   Downloaded shared_library v0.1.7
[INFO] [stderr]   Downloaded num-rational v0.1.39
[INFO] [stderr]   Downloaded smallvec v0.4.3
[INFO] [stderr]   Downloaded gif v0.9.2
[INFO] [stderr]   Downloaded cmake v0.1.26
[INFO] [stderr]   Downloaded crossbeam v0.3.0
[INFO] [stderr]   Downloaded either v1.2.0
[INFO] [stderr]   Downloaded png v0.10.0
[INFO] [stderr]   Downloaded rayon-core v1.2.1
[INFO] [stderr]   Downloaded rayon v0.8.2
[INFO] [stderr]   Downloaded vulkano v0.7.0
[INFO] [stderr]   Downloaded glsl-to-spirv v0.1.3
[INFO] [stderr]   Downloaded libc v0.2.31
[INFO] [stderr]   Downloaded image v0.16.0
[INFO] [stderr]   Downloaded deflate v0.7.17
[INFO] [stderr]   Downloaded futures v0.1.16
[INFO] [stderr]   Downloaded half v1.0.1
[INFO] [stderr]   Downloaded inflate v0.3.2
[INFO] [stderr]   Downloaded num-integer v0.1.35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+50be22964035027398754e54cd3a497efb00f83e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71042b7da5cc933b2fc381e8cfa1b152346f766d1ae7f0f634a9995c86909306
[INFO] running `Command { std: "docker" "start" "-a" "71042b7da5cc933b2fc381e8cfa1b152346f766d1ae7f0f634a9995c86909306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71042b7da5cc933b2fc381e8cfa1b152346f766d1ae7f0f634a9995c86909306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71042b7da5cc933b2fc381e8cfa1b152346f766d1ae7f0f634a9995c86909306", kill_on_drop: false }`
[INFO] [stdout] 71042b7da5cc933b2fc381e8cfa1b152346f766d1ae7f0f634a9995c86909306
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+50be22964035027398754e54cd3a497efb00f83e" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f4107eb49bb7c5f567b7c4ccaf530b3ee0e41ca04e20e64d6f4e44ec775a5da
[INFO] running `Command { std: "docker" "start" "-a" "8f4107eb49bb7c5f567b7c4ccaf530b3ee0e41ca04e20e64d6f4e44ec775a5da", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.31
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]    Compiling cc v1.0.0
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking either v1.2.0
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]     Checking scopeguard v0.3.2
[INFO] [stderr]     Checking adler32 v1.0.2
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]     Checking coco v0.1.1
[INFO] [stderr]     Checking futures v0.1.16
[INFO] [stderr]    Compiling cmake v0.1.26
[INFO] [stderr]     Checking deflate v0.7.17
[INFO] [stderr]     Checking inflate v0.3.2
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking num_cpus v1.7.0
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling vulkano v0.7.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling glsl-to-spirv v0.1.3
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]     Checking num-rational v0.1.39
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking shared_library v0.1.7
[INFO] [stderr]     Checking crossbeam v0.3.0
[INFO] [stderr]     Checking vk-sys v0.3.1
[INFO] [stderr]     Checking smallvec v0.4.3
[INFO] [stderr]     Checking png v0.10.0
[INFO] [stderr]     Checking half v1.0.1
[INFO] [stderr]     Checking fnv v1.0.5
[INFO] [stderr]     Checking scoped_threadpool v0.1.8
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.13
[INFO] [stderr]     Checking image v0.16.0
[INFO] [stderr]    Compiling vulkano-shaders v0.7.1
[INFO] [stderr]    Compiling vulkano-shader-derive v0.7.1
[INFO] [stderr]  Documenting tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.39s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.10.8
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/tutorial/index.html
[INFO] running `Command { std: "docker" "inspect" "8f4107eb49bb7c5f567b7c4ccaf530b3ee0e41ca04e20e64d6f4e44ec775a5da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f4107eb49bb7c5f567b7c4ccaf530b3ee0e41ca04e20e64d6f4e44ec775a5da", kill_on_drop: false }`
[INFO] [stdout] 8f4107eb49bb7c5f567b7c4ccaf530b3ee0e41ca04e20e64d6f4e44ec775a5da