[INFO] fetching crate chunk_iter 0.1.3...
[INFO] documenting chunk_iter-0.1.3 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate chunk_iter 0.1.3 into /workspace/builds/worker-77/source
[INFO] validating manifest of crates.io crate chunk_iter 0.1.3 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 chunk_iter 0.1.3
[INFO] finished tweaking crates.io crate chunk_iter 0.1.3
[INFO] tweaked toml for crates.io crate chunk_iter 0.1.3 written to /workspace/builds/worker-77/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded testdrop v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] 579173d12e93e0e1528d7d6ee276e57d767f6b31c79d07da126b101cf355c2bb
[INFO] running `Command { std: "docker" "start" "-a" "579173d12e93e0e1528d7d6ee276e57d767f6b31c79d07da126b101cf355c2bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "579173d12e93e0e1528d7d6ee276e57d767f6b31c79d07da126b101cf355c2bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "579173d12e93e0e1528d7d6ee276e57d767f6b31c79d07da126b101cf355c2bb", kill_on_drop: false }`
[INFO] [stdout] 579173d12e93e0e1528d7d6ee276e57d767f6b31c79d07da126b101cf355c2bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] bfc4a26fd5c71fb975eec27362e6f6ad801b60d0fe17c9032017c4a0ffe67bb5
[INFO] running `Command { std: "docker" "start" "-a" "bfc4a26fd5c71fb975eec27362e6f6ad801b60d0fe17c9032017c4a0ffe67bb5", kill_on_drop: false }`
[INFO] [stderr]  Documenting chunk_iter v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "bfc4a26fd5c71fb975eec27362e6f6ad801b60d0fe17c9032017c4a0ffe67bb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfc4a26fd5c71fb975eec27362e6f6ad801b60d0fe17c9032017c4a0ffe67bb5", kill_on_drop: false }`
[INFO] [stdout] bfc4a26fd5c71fb975eec27362e6f6ad801b60d0fe17c9032017c4a0ffe67bb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] de0ac9cdc1f8f9c8a47b9aa9bcf7408d132a13ea89e590d647da001012de0848
[INFO] running `Command { std: "docker" "start" "-a" "de0ac9cdc1f8f9c8a47b9aa9bcf7408d132a13ea89e590d647da001012de0848", kill_on_drop: false }`
[INFO] [stderr]  Documenting chunk_iter v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "de0ac9cdc1f8f9c8a47b9aa9bcf7408d132a13ea89e590d647da001012de0848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de0ac9cdc1f8f9c8a47b9aa9bcf7408d132a13ea89e590d647da001012de0848", kill_on_drop: false }`
[INFO] [stdout] de0ac9cdc1f8f9c8a47b9aa9bcf7408d132a13ea89e590d647da001012de0848