[INFO] fetching crate humphrey_ws 0.4.0...
[INFO] documenting humphrey_ws-0.4.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate humphrey_ws 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate humphrey_ws 0.4.0 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 humphrey_ws 0.4.0
[INFO] finished tweaking crates.io crate humphrey_ws 0.4.0
[INFO] tweaked toml for crates.io crate humphrey_ws 0.4.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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 humphrey v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 52e57fe1f6c535073c6877e1bc404b986c0e3953ffec6e6cb3639fa085591970
[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" "52e57fe1f6c535073c6877e1bc404b986c0e3953ffec6e6cb3639fa085591970", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52e57fe1f6c535073c6877e1bc404b986c0e3953ffec6e6cb3639fa085591970", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52e57fe1f6c535073c6877e1bc404b986c0e3953ffec6e6cb3639fa085591970", kill_on_drop: false }`
[INFO] [stdout] 52e57fe1f6c535073c6877e1bc404b986c0e3953ffec6e6cb3639fa085591970
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] d46e11ce884ed864510345f7f5b9762d36a27b1258d4aea13efa833739e24fc3
[INFO] running `Command { std: "docker" "start" "-a" "d46e11ce884ed864510345f7f5b9762d36a27b1258d4aea13efa833739e24fc3", kill_on_drop: false }`
[INFO] [stderr]     Checking humphrey v0.6.3
[INFO] [stderr]  Documenting humphrey_ws v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.17s
[INFO] running `Command { std: "docker" "inspect" "d46e11ce884ed864510345f7f5b9762d36a27b1258d4aea13efa833739e24fc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d46e11ce884ed864510345f7f5b9762d36a27b1258d4aea13efa833739e24fc3", kill_on_drop: false }`
[INFO] [stdout] d46e11ce884ed864510345f7f5b9762d36a27b1258d4aea13efa833739e24fc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 3b85eac07a4fefb5b4b7cff76d4d17ffe642870e8f87b28a9ccac435d5a7c5d4
[INFO] running `Command { std: "docker" "start" "-a" "3b85eac07a4fefb5b4b7cff76d4d17ffe642870e8f87b28a9ccac435d5a7c5d4", kill_on_drop: false }`
[INFO] [stderr]     Checking humphrey v0.6.3
[INFO] [stderr]  Documenting humphrey_ws v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.13s
[INFO] running `Command { std: "docker" "inspect" "3b85eac07a4fefb5b4b7cff76d4d17ffe642870e8f87b28a9ccac435d5a7c5d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b85eac07a4fefb5b4b7cff76d4d17ffe642870e8f87b28a9ccac435d5a7c5d4", kill_on_drop: false }`
[INFO] [stdout] 3b85eac07a4fefb5b4b7cff76d4d17ffe642870e8f87b28a9ccac435d5a7c5d4