[INFO] fetching crate cgroups-fs 1.1.2...
[INFO] documenting cgroups-fs-1.1.2 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate cgroups-fs 1.1.2 into /workspace/builds/worker-60/source
[INFO] validating manifest of crates.io crate cgroups-fs 1.1.2 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 cgroups-fs 1.1.2
[INFO] finished tweaking crates.io crate cgroups-fs 1.1.2
[INFO] tweaked toml for crates.io crate cgroups-fs 1.1.2 written to /workspace/builds/worker-60/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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] 22f17c0232d5e43242b5b6ff8618a8f592beca0103dcfe35e0d61a0d497775ce
[INFO] running `Command { std: "docker" "start" "-a" "22f17c0232d5e43242b5b6ff8618a8f592beca0103dcfe35e0d61a0d497775ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22f17c0232d5e43242b5b6ff8618a8f592beca0103dcfe35e0d61a0d497775ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22f17c0232d5e43242b5b6ff8618a8f592beca0103dcfe35e0d61a0d497775ce", kill_on_drop: false }`
[INFO] [stdout] 22f17c0232d5e43242b5b6ff8618a8f592beca0103dcfe35e0d61a0d497775ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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] [stdout] 437a4327dc4c1d4819b9beb6f5d63b47cd01286046fd8eb8cb93cbc56698603d
[INFO] running `Command { std: "docker" "start" "-a" "437a4327dc4c1d4819b9beb6f5d63b47cd01286046fd8eb8cb93cbc56698603d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]  Documenting cgroups-fs v1.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.58s
[INFO] running `Command { std: "docker" "inspect" "437a4327dc4c1d4819b9beb6f5d63b47cd01286046fd8eb8cb93cbc56698603d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "437a4327dc4c1d4819b9beb6f5d63b47cd01286046fd8eb8cb93cbc56698603d", kill_on_drop: false }`
[INFO] [stdout] 437a4327dc4c1d4819b9beb6f5d63b47cd01286046fd8eb8cb93cbc56698603d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] e715f41cb5eed1ab928441f4204a7903b25e4c6e508966deb7bd36a831c9acb9
[INFO] running `Command { std: "docker" "start" "-a" "e715f41cb5eed1ab928441f4204a7903b25e4c6e508966deb7bd36a831c9acb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]  Documenting cgroups-fs v1.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.77s
[INFO] running `Command { std: "docker" "inspect" "e715f41cb5eed1ab928441f4204a7903b25e4c6e508966deb7bd36a831c9acb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e715f41cb5eed1ab928441f4204a7903b25e4c6e508966deb7bd36a831c9acb9", kill_on_drop: false }`
[INFO] [stdout] e715f41cb5eed1ab928441f4204a7903b25e4c6e508966deb7bd36a831c9acb9