[INFO] fetching crate signal-hook 0.3.14...
[INFO] documenting signal-hook-0.3.14 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate signal-hook 0.3.14 into /workspace/builds/worker-25/source
[INFO] validating manifest of crates.io crate signal-hook 0.3.14 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate signal-hook 0.3.14
[INFO] finished tweaking crates.io crate signal-hook 0.3.14
[INFO] tweaked toml for crates.io crate signal-hook 0.3.14 written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate crates.io crate signal-hook 0.3.14 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84afc5f90129747c40ded1e1f25ff2b93d3f1e11a38dd4d5113bd54c8563f96d
[INFO] running `Command { std: "docker" "start" "-a" "84afc5f90129747c40ded1e1f25ff2b93d3f1e11a38dd4d5113bd54c8563f96d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84afc5f90129747c40ded1e1f25ff2b93d3f1e11a38dd4d5113bd54c8563f96d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84afc5f90129747c40ded1e1f25ff2b93d3f1e11a38dd4d5113bd54c8563f96d", kill_on_drop: false }`
[INFO] [stdout] 84afc5f90129747c40ded1e1f25ff2b93d3f1e11a38dd4d5113bd54c8563f96d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1da561840757c05372e475253f67b11d32e8604b4d2ad03aac834e47993a2c6e
[INFO] running `Command { std: "docker" "start" "-a" "1da561840757c05372e475253f67b11d32e8604b4d2ad03aac834e47993a2c6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling signal-hook v0.3.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]  Documenting signal-hook v0.3.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.36s
[INFO] running `Command { std: "docker" "inspect" "1da561840757c05372e475253f67b11d32e8604b4d2ad03aac834e47993a2c6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1da561840757c05372e475253f67b11d32e8604b4d2ad03aac834e47993a2c6e", kill_on_drop: false }`
[INFO] [stdout] 1da561840757c05372e475253f67b11d32e8604b4d2ad03aac834e47993a2c6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--all-features" "--frozen" "--message-format=json" "--" "--cfg" "docsrs" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 7c28900fc8fca3a30a2bc3e75111415fde3a2520249e358adfd68a532f7d5993
[INFO] running `Command { std: "docker" "start" "-a" "7c28900fc8fca3a30a2bc3e75111415fde3a2520249e358adfd68a532f7d5993", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling signal-hook v0.3.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]  Documenting signal-hook v0.3.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.19s
[INFO] running `Command { std: "docker" "inspect" "7c28900fc8fca3a30a2bc3e75111415fde3a2520249e358adfd68a532f7d5993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c28900fc8fca3a30a2bc3e75111415fde3a2520249e358adfd68a532f7d5993", kill_on_drop: false }`
[INFO] [stdout] 7c28900fc8fca3a30a2bc3e75111415fde3a2520249e358adfd68a532f7d5993