[INFO] fetching crate dot_graph 0.2.2...
[INFO] documenting dot_graph-0.2.2 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate dot_graph 0.2.2 into /workspace/builds/worker-61/source
[INFO] validating manifest of crates.io crate dot_graph 0.2.2 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 dot_graph 0.2.2
[INFO] finished tweaking crates.io crate dot_graph 0.2.2
[INFO] tweaked toml for crates.io crate dot_graph 0.2.2 written to /workspace/builds/worker-61/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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] da2a0e5ffef8a3c2e96ec20dee9d421308e1e2d36f1844f4f92bb43432d6d813
[INFO] running `Command { std: "docker" "start" "-a" "da2a0e5ffef8a3c2e96ec20dee9d421308e1e2d36f1844f4f92bb43432d6d813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da2a0e5ffef8a3c2e96ec20dee9d421308e1e2d36f1844f4f92bb43432d6d813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da2a0e5ffef8a3c2e96ec20dee9d421308e1e2d36f1844f4f92bb43432d6d813", kill_on_drop: false }`
[INFO] [stdout] da2a0e5ffef8a3c2e96ec20dee9d421308e1e2d36f1844f4f92bb43432d6d813
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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] 033c35235d7d869e7148af754cfee00e3d1689fa77b19c0f211850c65090c615
[INFO] running `Command { std: "docker" "start" "-a" "033c35235d7d869e7148af754cfee00e3d1689fa77b19c0f211850c65090c615", kill_on_drop: false }`
[INFO] [stderr]  Documenting dot_graph v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "033c35235d7d869e7148af754cfee00e3d1689fa77b19c0f211850c65090c615", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "033c35235d7d869e7148af754cfee00e3d1689fa77b19c0f211850c65090c615", kill_on_drop: false }`
[INFO] [stdout] 033c35235d7d869e7148af754cfee00e3d1689fa77b19c0f211850c65090c615
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 881da3efcf1938c897df75929cac6511f622c2d88952c6c5868dd8489a62ac95
[INFO] running `Command { std: "docker" "start" "-a" "881da3efcf1938c897df75929cac6511f622c2d88952c6c5868dd8489a62ac95", kill_on_drop: false }`
[INFO] [stderr]  Documenting dot_graph v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "881da3efcf1938c897df75929cac6511f622c2d88952c6c5868dd8489a62ac95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "881da3efcf1938c897df75929cac6511f622c2d88952c6c5868dd8489a62ac95", kill_on_drop: false }`
[INFO] [stdout] 881da3efcf1938c897df75929cac6511f622c2d88952c6c5868dd8489a62ac95