[INFO] fetching crate round_robin 1.0.0...
[INFO] documenting round_robin-1.0.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate round_robin 1.0.0 into /workspace/builds/worker-38/source
[INFO] validating manifest of crates.io crate round_robin 1.0.0 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 round_robin 1.0.0
[INFO] finished tweaking crates.io crate round_robin 1.0.0
[INFO] tweaked toml for crates.io crate round_robin 1.0.0 written to /workspace/builds/worker-38/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 3c955faa5b493edc9cd8383764cfcd33a8094af80289570b07392e17c4f9df82
[INFO] running `Command { std: "docker" "start" "-a" "3c955faa5b493edc9cd8383764cfcd33a8094af80289570b07392e17c4f9df82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c955faa5b493edc9cd8383764cfcd33a8094af80289570b07392e17c4f9df82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c955faa5b493edc9cd8383764cfcd33a8094af80289570b07392e17c4f9df82", kill_on_drop: false }`
[INFO] [stdout] 3c955faa5b493edc9cd8383764cfcd33a8094af80289570b07392e17c4f9df82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] f1837091dfcf6ed91c4b53a1ad358a77bd23d964600da262057eb9a985052c8c
[INFO] running `Command { std: "docker" "start" "-a" "f1837091dfcf6ed91c4b53a1ad358a77bd23d964600da262057eb9a985052c8c", kill_on_drop: false }`
[INFO] [stderr]  Documenting round_robin v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "f1837091dfcf6ed91c4b53a1ad358a77bd23d964600da262057eb9a985052c8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1837091dfcf6ed91c4b53a1ad358a77bd23d964600da262057eb9a985052c8c", kill_on_drop: false }`
[INFO] [stdout] f1837091dfcf6ed91c4b53a1ad358a77bd23d964600da262057eb9a985052c8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 8bf0edd6a64553af1065ae50d2a153d378d10e4c500146d6698e44d2fefa06ae
[INFO] running `Command { std: "docker" "start" "-a" "8bf0edd6a64553af1065ae50d2a153d378d10e4c500146d6698e44d2fefa06ae", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting round_robin v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.14s
[INFO] running `Command { std: "docker" "inspect" "8bf0edd6a64553af1065ae50d2a153d378d10e4c500146d6698e44d2fefa06ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bf0edd6a64553af1065ae50d2a153d378d10e4c500146d6698e44d2fefa06ae", kill_on_drop: false }`
[INFO] [stdout] 8bf0edd6a64553af1065ae50d2a153d378d10e4c500146d6698e44d2fefa06ae