[INFO] fetching crate choo 0.1.0...
[INFO] documenting choo-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate choo 0.1.0 into /workspace/builds/worker-108/source
[INFO] validating manifest of crates.io crate choo 0.1.0 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 choo 0.1.0
[INFO] finished tweaking crates.io crate choo 0.1.0
[INFO] tweaked toml for crates.io crate choo 0.1.0 written to /workspace/builds/worker-108/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 0244312d0d59778c567ab9d61fcab565fe7de6a7231dc1da6e8bd8fb3db72dc2
[INFO] running `Command { std: "docker" "start" "-a" "0244312d0d59778c567ab9d61fcab565fe7de6a7231dc1da6e8bd8fb3db72dc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0244312d0d59778c567ab9d61fcab565fe7de6a7231dc1da6e8bd8fb3db72dc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0244312d0d59778c567ab9d61fcab565fe7de6a7231dc1da6e8bd8fb3db72dc2", kill_on_drop: false }`
[INFO] [stdout] 0244312d0d59778c567ab9d61fcab565fe7de6a7231dc1da6e8bd8fb3db72dc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 4f4c5a0dad223fc57c39f08855eb34d592e6bdaa3886efb99c2936d64b10fd8c
[INFO] running `Command { std: "docker" "start" "-a" "4f4c5a0dad223fc57c39f08855eb34d592e6bdaa3886efb99c2936d64b10fd8c", kill_on_drop: false }`
[INFO] [stderr]  Documenting choo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "4f4c5a0dad223fc57c39f08855eb34d592e6bdaa3886efb99c2936d64b10fd8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f4c5a0dad223fc57c39f08855eb34d592e6bdaa3886efb99c2936d64b10fd8c", kill_on_drop: false }`
[INFO] [stdout] 4f4c5a0dad223fc57c39f08855eb34d592e6bdaa3886efb99c2936d64b10fd8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] d9c6a32d1c5c10a9ef7409e78ecd30e65bc0ea8f6cd0b838693f839e4d6a0bef
[INFO] running `Command { std: "docker" "start" "-a" "d9c6a32d1c5c10a9ef7409e78ecd30e65bc0ea8f6cd0b838693f839e4d6a0bef", kill_on_drop: false }`
[INFO] [stderr]  Documenting choo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "d9c6a32d1c5c10a9ef7409e78ecd30e65bc0ea8f6cd0b838693f839e4d6a0bef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9c6a32d1c5c10a9ef7409e78ecd30e65bc0ea8f6cd0b838693f839e4d6a0bef", kill_on_drop: false }`
[INFO] [stdout] d9c6a32d1c5c10a9ef7409e78ecd30e65bc0ea8f6cd0b838693f839e4d6a0bef