[INFO] fetching crate rustc-ap-rustc_serialize 727.0.0...
[INFO] documenting rustc-ap-rustc_serialize-727.0.0 against master#051cab2b842113b18da28259f4b85d0a7556f7f1 for pr-104889
[INFO] extracting crate rustc-ap-rustc_serialize 727.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rustc-ap-rustc_serialize 727.0.0 on toolchain 051cab2b842113b18da28259f4b85d0a7556f7f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+051cab2b842113b18da28259f4b85d0a7556f7f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustc-ap-rustc_serialize 727.0.0
[INFO] finished tweaking crates.io crate rustc-ap-rustc_serialize 727.0.0
[INFO] tweaked toml for crates.io crate rustc-ap-rustc_serialize 727.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+051cab2b842113b18da28259f4b85d0a7556f7f1" "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" "+051cab2b842113b18da28259f4b85d0a7556f7f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded autocfg v1.1.0
[INFO] [stderr]   Downloaded hashbrown v0.12.3
[INFO] [stderr]   Downloaded indexmap v1.9.2
[INFO] [stderr]   Downloaded smallvec v1.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+051cab2b842113b18da28259f4b85d0a7556f7f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20324ae3bf56e223f28127978b77b5bdf6345c4a1cf5775c67802a4f4961b414
[INFO] running `Command { std: "docker" "start" "-a" "20324ae3bf56e223f28127978b77b5bdf6345c4a1cf5775c67802a4f4961b414", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20324ae3bf56e223f28127978b77b5bdf6345c4a1cf5775c67802a4f4961b414", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20324ae3bf56e223f28127978b77b5bdf6345c4a1cf5775c67802a4f4961b414", kill_on_drop: false }`
[INFO] [stdout] 20324ae3bf56e223f28127978b77b5bdf6345c4a1cf5775c67802a4f4961b414
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+051cab2b842113b18da28259f4b85d0a7556f7f1" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfbe1efd8609cdd49d819fa35e977fede9f2bafc863feb2677b076f1abe7a4d9
[INFO] running `Command { std: "docker" "start" "-a" "dfbe1efd8609cdd49d819fa35e977fede9f2bafc863feb2677b076f1abe7a4d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]  Documenting rustc-ap-rustc_serialize v727.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.38s
[INFO] running `Command { std: "docker" "inspect" "dfbe1efd8609cdd49d819fa35e977fede9f2bafc863feb2677b076f1abe7a4d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfbe1efd8609cdd49d819fa35e977fede9f2bafc863feb2677b076f1abe7a4d9", kill_on_drop: false }`
[INFO] [stdout] dfbe1efd8609cdd49d819fa35e977fede9f2bafc863feb2677b076f1abe7a4d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+051cab2b842113b18da28259f4b85d0a7556f7f1" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2006a94fadc2ab3e7b60c8c9a080fce2bc91b191d0c1beb39dde0ae5bbcd9c05
[INFO] running `Command { std: "docker" "start" "-a" "2006a94fadc2ab3e7b60c8c9a080fce2bc91b191d0c1beb39dde0ae5bbcd9c05", kill_on_drop: false }`
[INFO] [stderr]  Documenting rustc-ap-rustc_serialize v727.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "2006a94fadc2ab3e7b60c8c9a080fce2bc91b191d0c1beb39dde0ae5bbcd9c05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2006a94fadc2ab3e7b60c8c9a080fce2bc91b191d0c1beb39dde0ae5bbcd9c05", kill_on_drop: false }`
[INFO] [stdout] 2006a94fadc2ab3e7b60c8c9a080fce2bc91b191d0c1beb39dde0ae5bbcd9c05