[INFO] fetching crate cgroups-fs 1.1.2...
[INFO] documenting cgroups-fs-1.1.2 against beta-2022-05-20 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 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 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" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2cdde2d0457c39028640ece15d3d0a24a6c982a0eba38bba57d3087a1f75ec8
[INFO] running `Command { std: "docker" "start" "-a" "b2cdde2d0457c39028640ece15d3d0a24a6c982a0eba38bba57d3087a1f75ec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2cdde2d0457c39028640ece15d3d0a24a6c982a0eba38bba57d3087a1f75ec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2cdde2d0457c39028640ece15d3d0a24a6c982a0eba38bba57d3087a1f75ec8", kill_on_drop: false }`
[INFO] [stdout] b2cdde2d0457c39028640ece15d3d0a24a6c982a0eba38bba57d3087a1f75ec8
[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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cbaff801b08b681debf9cbc0642497472fb39ca47d1e83897381174e3fc06dc
[INFO] running `Command { std: "docker" "start" "-a" "2cbaff801b08b681debf9cbc0642497472fb39ca47d1e83897381174e3fc06dc", 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 12.56s
[INFO] running `Command { std: "docker" "inspect" "2cbaff801b08b681debf9cbc0642497472fb39ca47d1e83897381174e3fc06dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cbaff801b08b681debf9cbc0642497472fb39ca47d1e83897381174e3fc06dc", kill_on_drop: false }`
[INFO] [stdout] 2cbaff801b08b681debf9cbc0642497472fb39ca47d1e83897381174e3fc06dc
[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" "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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 65ed6587caeb437b4c7e3af48e6d92ecf889023640895b4e92269f5301f27b94
[INFO] running `Command { std: "docker" "start" "-a" "65ed6587caeb437b4c7e3af48e6d92ecf889023640895b4e92269f5301f27b94", 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 7.13s
[INFO] running `Command { std: "docker" "inspect" "65ed6587caeb437b4c7e3af48e6d92ecf889023640895b4e92269f5301f27b94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65ed6587caeb437b4c7e3af48e6d92ecf889023640895b4e92269f5301f27b94", kill_on_drop: false }`
[INFO] [stdout] 65ed6587caeb437b4c7e3af48e6d92ecf889023640895b4e92269f5301f27b94