[INFO] fetching crate function_docs 0.1.0...
[INFO] documenting function_docs-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate function_docs 0.1.0 into /workspace/builds/worker-93/source
[INFO] validating manifest of crates.io crate function_docs 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 function_docs 0.1.0
[INFO] finished tweaking crates.io crate function_docs 0.1.0
[INFO] tweaked toml for crates.io crate function_docs 0.1.0 written to /workspace/builds/worker-93/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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] 28122019d5ca3136daa3fc724eea7dbecaa5fd48ef399fb42f19742012653e51
[INFO] running `Command { std: "docker" "start" "-a" "28122019d5ca3136daa3fc724eea7dbecaa5fd48ef399fb42f19742012653e51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28122019d5ca3136daa3fc724eea7dbecaa5fd48ef399fb42f19742012653e51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28122019d5ca3136daa3fc724eea7dbecaa5fd48ef399fb42f19742012653e51", kill_on_drop: false }`
[INFO] [stdout] 28122019d5ca3136daa3fc724eea7dbecaa5fd48ef399fb42f19742012653e51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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] 2e9ea4a73d7d60c76486ae19cdb5ffdaf864bd45f2c5e315fbf298f214b0a1bd
[INFO] running `Command { std: "docker" "start" "-a" "2e9ea4a73d7d60c76486ae19cdb5ffdaf864bd45f2c5e315fbf298f214b0a1bd", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]  Documenting function_docs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.61s
[INFO] running `Command { std: "docker" "inspect" "2e9ea4a73d7d60c76486ae19cdb5ffdaf864bd45f2c5e315fbf298f214b0a1bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e9ea4a73d7d60c76486ae19cdb5ffdaf864bd45f2c5e315fbf298f214b0a1bd", kill_on_drop: false }`
[INFO] [stdout] 2e9ea4a73d7d60c76486ae19cdb5ffdaf864bd45f2c5e315fbf298f214b0a1bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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] 45b98d6686e668308fa8e6b13b50f54c28c172affe7d659d8a12560b07d73195
[INFO] running `Command { std: "docker" "start" "-a" "45b98d6686e668308fa8e6b13b50f54c28c172affe7d659d8a12560b07d73195", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]  Documenting function_docs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.83s
[INFO] running `Command { std: "docker" "inspect" "45b98d6686e668308fa8e6b13b50f54c28c172affe7d659d8a12560b07d73195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45b98d6686e668308fa8e6b13b50f54c28c172affe7d659d8a12560b07d73195", kill_on_drop: false }`
[INFO] [stdout] 45b98d6686e668308fa8e6b13b50f54c28c172affe7d659d8a12560b07d73195