[INFO] fetching crate ga-v4-flattener 0.4.0...
[INFO] documenting ga-v4-flattener-0.4.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate ga-v4-flattener 0.4.0 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate ga-v4-flattener 0.4.0 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 ga-v4-flattener 0.4.0
[INFO] finished tweaking crates.io crate ga-v4-flattener 0.4.0
[INFO] tweaked toml for crates.io crate ga-v4-flattener 0.4.0 written to /workspace/builds/worker-52/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] c6f5ac1464afc608ac05519b71ebd63790a30217a8849d67d1dbd05b67cb5cb0
[INFO] running `Command { std: "docker" "start" "-a" "c6f5ac1464afc608ac05519b71ebd63790a30217a8849d67d1dbd05b67cb5cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6f5ac1464afc608ac05519b71ebd63790a30217a8849d67d1dbd05b67cb5cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6f5ac1464afc608ac05519b71ebd63790a30217a8849d67d1dbd05b67cb5cb0", kill_on_drop: false }`
[INFO] [stdout] c6f5ac1464afc608ac05519b71ebd63790a30217a8849d67d1dbd05b67cb5cb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] c22822de6089449b76f9bacfd1f751dd2dc6f3b849b362376f152b3907d40dc2
[INFO] running `Command { std: "docker" "start" "-a" "c22822de6089449b76f9bacfd1f751dd2dc6f3b849b362376f152b3907d40dc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]  Documenting ga-v4-flattener v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.47s
[INFO] running `Command { std: "docker" "inspect" "c22822de6089449b76f9bacfd1f751dd2dc6f3b849b362376f152b3907d40dc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c22822de6089449b76f9bacfd1f751dd2dc6f3b849b362376f152b3907d40dc2", kill_on_drop: false }`
[INFO] [stdout] c22822de6089449b76f9bacfd1f751dd2dc6f3b849b362376f152b3907d40dc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 31d370a621052769f0e507c7b2d39cb8ad5472017d668509a9c10900ccda89dc
[INFO] running `Command { std: "docker" "start" "-a" "31d370a621052769f0e507c7b2d39cb8ad5472017d668509a9c10900ccda89dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]  Documenting ga-v4-flattener v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.20s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "31d370a621052769f0e507c7b2d39cb8ad5472017d668509a9c10900ccda89dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31d370a621052769f0e507c7b2d39cb8ad5472017d668509a9c10900ccda89dc", kill_on_drop: false }`
[INFO] [stdout] 31d370a621052769f0e507c7b2d39cb8ad5472017d668509a9c10900ccda89dc