[INFO] fetching crate servos 0.0.5...
[INFO] documenting servos-0.0.5 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate servos 0.0.5 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate servos 0.0.5 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 crates.io crate servos 0.0.5
[INFO] finished tweaking crates.io crate servos 0.0.5
[INFO] tweaked toml for crates.io crate servos 0.0.5 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate servos 0.0.5 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 rppal v0.11.3
[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" "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] c5c81c745b0c3b95f22b0912d72372e513297656bcc4f64854639e51d8e591a1
[INFO] running `Command { std: "docker" "start" "-a" "c5c81c745b0c3b95f22b0912d72372e513297656bcc4f64854639e51d8e591a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5c81c745b0c3b95f22b0912d72372e513297656bcc4f64854639e51d8e591a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5c81c745b0c3b95f22b0912d72372e513297656bcc4f64854639e51d8e591a1", kill_on_drop: false }`
[INFO] [stdout] c5c81c745b0c3b95f22b0912d72372e513297656bcc4f64854639e51d8e591a1
[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" "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] f4a00fab9475f7a368d7fff82f0b0b18ceb562669633734f83b8b646fceb0b08
[INFO] running `Command { std: "docker" "start" "-a" "f4a00fab9475f7a368d7fff82f0b0b18ceb562669633734f83b8b646fceb0b08", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]     Checking rppal v0.11.3
[INFO] [stderr]  Documenting servos v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.63s
[INFO] running `Command { std: "docker" "inspect" "f4a00fab9475f7a368d7fff82f0b0b18ceb562669633734f83b8b646fceb0b08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4a00fab9475f7a368d7fff82f0b0b18ceb562669633734f83b8b646fceb0b08", kill_on_drop: false }`
[INFO] [stdout] f4a00fab9475f7a368d7fff82f0b0b18ceb562669633734f83b8b646fceb0b08
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4db8db92da238c1d0b6353a82c079a920bc4a0e88195adc8918b2fdefa504d46
[INFO] running `Command { std: "docker" "start" "-a" "4db8db92da238c1d0b6353a82c079a920bc4a0e88195adc8918b2fdefa504d46", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rppal v0.11.3
[INFO] [stderr]  Documenting servos v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.10s
[INFO] running `Command { std: "docker" "inspect" "4db8db92da238c1d0b6353a82c079a920bc4a0e88195adc8918b2fdefa504d46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4db8db92da238c1d0b6353a82c079a920bc4a0e88195adc8918b2fdefa504d46", kill_on_drop: false }`
[INFO] [stdout] 4db8db92da238c1d0b6353a82c079a920bc4a0e88195adc8918b2fdefa504d46