[INFO] fetching crate persistent_rope 0.1.3...
[INFO] documenting persistent_rope-0.1.3 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate persistent_rope 0.1.3 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate persistent_rope 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 persistent_rope 0.1.3
[INFO] finished tweaking crates.io crate persistent_rope 0.1.3
[INFO] tweaked toml for crates.io crate persistent_rope 0.1.3 written to /workspace/builds/worker-22/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded str_indices v0.4.0
[INFO] [stderr]   Downloaded macro-attr v0.2.0
[INFO] [stderr]   Downloaded bytecount v0.5.1
[INFO] [stderr]   Downloaded ropey v1.5.0
[INFO] [stderr]   Downloaded xi-rope v0.3.0
[INFO] [stderr]   Downloaded an-rope v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 6d8242e3acbceba2737eb11cad9d66b4611739e4394e21bdc64a9585c9bfc198
[INFO] running `Command { std: "docker" "start" "-a" "6d8242e3acbceba2737eb11cad9d66b4611739e4394e21bdc64a9585c9bfc198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d8242e3acbceba2737eb11cad9d66b4611739e4394e21bdc64a9585c9bfc198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d8242e3acbceba2737eb11cad9d66b4611739e4394e21bdc64a9585c9bfc198", kill_on_drop: false }`
[INFO] [stdout] 6d8242e3acbceba2737eb11cad9d66b4611739e4394e21bdc64a9585c9bfc198
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 952c0e0388bb29a3e68e273b3bc75d12fec9e5512c024747e48ef908efbfe86a
[INFO] running `Command { std: "docker" "start" "-a" "952c0e0388bb29a3e68e273b3bc75d12fec9e5512c024747e48ef908efbfe86a", kill_on_drop: false }`
[INFO] [stderr]  Documenting persistent_rope v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "952c0e0388bb29a3e68e273b3bc75d12fec9e5512c024747e48ef908efbfe86a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "952c0e0388bb29a3e68e273b3bc75d12fec9e5512c024747e48ef908efbfe86a", kill_on_drop: false }`
[INFO] [stdout] 952c0e0388bb29a3e68e273b3bc75d12fec9e5512c024747e48ef908efbfe86a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] b8d9c25b7edff08102fc171ee42a991e935fe453c7d3b02a13700704cef78cfe
[INFO] running `Command { std: "docker" "start" "-a" "b8d9c25b7edff08102fc171ee42a991e935fe453c7d3b02a13700704cef78cfe", kill_on_drop: false }`
[INFO] [stderr]  Documenting persistent_rope v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "b8d9c25b7edff08102fc171ee42a991e935fe453c7d3b02a13700704cef78cfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8d9c25b7edff08102fc171ee42a991e935fe453c7d3b02a13700704cef78cfe", kill_on_drop: false }`
[INFO] [stdout] b8d9c25b7edff08102fc171ee42a991e935fe453c7d3b02a13700704cef78cfe