[INFO] fetching crate fork 0.1.19...
[INFO] documenting fork-0.1.19 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate fork 0.1.19 into /workspace/builds/worker-73/source
[INFO] validating manifest of crates.io crate fork 0.1.19 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 fork 0.1.19
[INFO] finished tweaking crates.io crate fork 0.1.19
[INFO] tweaked toml for crates.io crate fork 0.1.19 written to /workspace/builds/worker-73/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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] e57408f18a1ff41806ead3e62a1fa184160b10488b7dca0c9d646ca23480f73b
[INFO] running `Command { std: "docker" "start" "-a" "e57408f18a1ff41806ead3e62a1fa184160b10488b7dca0c9d646ca23480f73b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e57408f18a1ff41806ead3e62a1fa184160b10488b7dca0c9d646ca23480f73b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e57408f18a1ff41806ead3e62a1fa184160b10488b7dca0c9d646ca23480f73b", kill_on_drop: false }`
[INFO] [stdout] e57408f18a1ff41806ead3e62a1fa184160b10488b7dca0c9d646ca23480f73b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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] aa20d87da8434fe3b32b9d48519a719624c18115b2c2a019c969c7f1ab6dea74
[INFO] running `Command { std: "docker" "start" "-a" "aa20d87da8434fe3b32b9d48519a719624c18115b2c2a019c969c7f1ab6dea74", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]  Documenting fork v0.1.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.89s
[INFO] running `Command { std: "docker" "inspect" "aa20d87da8434fe3b32b9d48519a719624c18115b2c2a019c969c7f1ab6dea74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa20d87da8434fe3b32b9d48519a719624c18115b2c2a019c969c7f1ab6dea74", kill_on_drop: false }`
[INFO] [stdout] aa20d87da8434fe3b32b9d48519a719624c18115b2c2a019c969c7f1ab6dea74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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] f4127bd226bc5b775e7d031bed3a55654f0be2434f120e6c1a7448f12af0fe8b
[INFO] running `Command { std: "docker" "start" "-a" "f4127bd226bc5b775e7d031bed3a55654f0be2434f120e6c1a7448f12af0fe8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]  Documenting fork v0.1.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.38s
[INFO] running `Command { std: "docker" "inspect" "f4127bd226bc5b775e7d031bed3a55654f0be2434f120e6c1a7448f12af0fe8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4127bd226bc5b775e7d031bed3a55654f0be2434f120e6c1a7448f12af0fe8b", kill_on_drop: false }`
[INFO] [stdout] f4127bd226bc5b775e7d031bed3a55654f0be2434f120e6c1a7448f12af0fe8b