[INFO] cloning repository https://github.com/kattrali/webkitten
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kattrali/webkitten" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkattrali%2Fwebkitten", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkattrali%2Fwebkitten'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c0b9ae2b21870eb2f1245f76de02a1a2a069918
[INFO] documenting kattrali/webkitten against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkattrali%2Fwebkitten" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kattrali/webkitten on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kattrali/webkitten
[INFO] finished tweaking git repo https://github.com/kattrali/webkitten
[INFO] tweaked toml for git repo https://github.com/kattrali/webkitten written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/kattrali/webkitten already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smallvec v1.0.0
[INFO] [stderr]   Downloaded syn v1.0.11
[INFO] [stderr]   Downloaded unicode-normalization v0.1.11
[INFO] [stderr]   Downloaded cc v1.0.48
[INFO] [stderr]   Downloaded hlua v0.1.9
[INFO] [stderr]   Downloaded lua52-sys v0.0.4
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", 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] d6c28fa1d2eac5f61847c5923da7d6a281b34c49c099b8dee7ee31e9c125d2e9
[INFO] running `Command { std: "docker" "start" "-a" "d6c28fa1d2eac5f61847c5923da7d6a281b34c49c099b8dee7ee31e9c125d2e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6c28fa1d2eac5f61847c5923da7d6a281b34c49c099b8dee7ee31e9c125d2e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6c28fa1d2eac5f61847c5923da7d6a281b34c49c099b8dee7ee31e9c125d2e9", kill_on_drop: false }`
[INFO] [stdout] d6c28fa1d2eac5f61847c5923da7d6a281b34c49c099b8dee7ee31e9c125d2e9
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "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] ab453270c60f357bfd84fbeee0ea5d728913851d698ccc28041c533f9954c23c
[INFO] running `Command { std: "docker" "start" "-a" "ab453270c60f357bfd84fbeee0ea5d728913851d698ccc28041c533f9954c23c", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.8
[INFO] [stderr]     Checking matches v0.1.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling webkitten v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking toml v0.1.30
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling lua52-sys v0.0.4
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking hlua v0.1.9
[INFO] [stderr]  Documenting webkitten v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.77s
[INFO] running `Command { std: "docker" "inspect" "ab453270c60f357bfd84fbeee0ea5d728913851d698ccc28041c533f9954c23c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab453270c60f357bfd84fbeee0ea5d728913851d698ccc28041c533f9954c23c", kill_on_drop: false }`
[INFO] [stdout] ab453270c60f357bfd84fbeee0ea5d728913851d698ccc28041c533f9954c23c
[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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 80aacdcce49b9a7438d5ee927155aefb435c45087289272cb55143007e72c2f8
[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" "80aacdcce49b9a7438d5ee927155aefb435c45087289272cb55143007e72c2f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling pkg-config v0.3.8
[INFO] [stderr]     Checking matches v0.1.2
[INFO] [stderr]     Checking smallvec v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling webkitten v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.11
[INFO] [stderr]    Compiling lua52-sys v0.0.4
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking toml v0.1.30
[INFO] [stderr]     Checking hlua v0.1.9
[INFO] [stderr]  Documenting webkitten v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.28s
[INFO] running `Command { std: "docker" "inspect" "80aacdcce49b9a7438d5ee927155aefb435c45087289272cb55143007e72c2f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80aacdcce49b9a7438d5ee927155aefb435c45087289272cb55143007e72c2f8", kill_on_drop: false }`
[INFO] [stdout] 80aacdcce49b9a7438d5ee927155aefb435c45087289272cb55143007e72c2f8