[INFO] fetching crate hamming-heap 0.4.1...
[INFO] documenting hamming-heap-0.4.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate hamming-heap 0.4.1 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate hamming-heap 0.4.1 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 hamming-heap 0.4.1
[INFO] finished tweaking crates.io crate hamming-heap 0.4.1
[INFO] tweaked toml for crates.io crate hamming-heap 0.4.1 written to /workspace/builds/worker-24/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-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 574fa6db82969d6fa385e4142b1342e7cc49f9390b2ca670343a0afdce43f965
[INFO] running `Command { std: "docker" "start" "-a" "574fa6db82969d6fa385e4142b1342e7cc49f9390b2ca670343a0afdce43f965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "574fa6db82969d6fa385e4142b1342e7cc49f9390b2ca670343a0afdce43f965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "574fa6db82969d6fa385e4142b1342e7cc49f9390b2ca670343a0afdce43f965", kill_on_drop: false }`
[INFO] [stdout] 574fa6db82969d6fa385e4142b1342e7cc49f9390b2ca670343a0afdce43f965
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] f381991d313e3f4e94c1e14dd49daeb87c9d3ef8789121c286e9c3c5fbb8ba00
[INFO] running `Command { std: "docker" "start" "-a" "f381991d313e3f4e94c1e14dd49daeb87c9d3ef8789121c286e9c3c5fbb8ba00", kill_on_drop: false }`
[INFO] [stderr]  Documenting hamming-heap v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "f381991d313e3f4e94c1e14dd49daeb87c9d3ef8789121c286e9c3c5fbb8ba00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f381991d313e3f4e94c1e14dd49daeb87c9d3ef8789121c286e9c3c5fbb8ba00", kill_on_drop: false }`
[INFO] [stdout] f381991d313e3f4e94c1e14dd49daeb87c9d3ef8789121c286e9c3c5fbb8ba00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 0b1970b32784d6919e0901c6909cc654a21fc48208d63e6730a421f2b60c44f8
[INFO] running `Command { std: "docker" "start" "-a" "0b1970b32784d6919e0901c6909cc654a21fc48208d63e6730a421f2b60c44f8", kill_on_drop: false }`
[INFO] [stderr]  Documenting hamming-heap v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "0b1970b32784d6919e0901c6909cc654a21fc48208d63e6730a421f2b60c44f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b1970b32784d6919e0901c6909cc654a21fc48208d63e6730a421f2b60c44f8", kill_on_drop: false }`
[INFO] [stdout] 0b1970b32784d6919e0901c6909cc654a21fc48208d63e6730a421f2b60c44f8