[INFO] fetching crate pcb-rs-traits 0.1.0...
[INFO] documenting pcb-rs-traits-0.1.0 against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] extracting crate pcb-rs-traits 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate pcb-rs-traits 0.1.0 on toolchain e1df625306f4136949e02612406f0c60df6008f3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pcb-rs-traits 0.1.0
[INFO] finished tweaking crates.io crate pcb-rs-traits 0.1.0
[INFO] tweaked toml for crates.io crate pcb-rs-traits 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "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" "+e1df625306f4136949e02612406f0c60df6008f3" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd19417c2da4ff55c693264428ff18a0d48eeafaf25d115d12b9736243fd0cd9
[INFO] running `Command { std: "docker" "start" "-a" "cd19417c2da4ff55c693264428ff18a0d48eeafaf25d115d12b9736243fd0cd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd19417c2da4ff55c693264428ff18a0d48eeafaf25d115d12b9736243fd0cd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd19417c2da4ff55c693264428ff18a0d48eeafaf25d115d12b9736243fd0cd9", kill_on_drop: false }`
[INFO] [stdout] cd19417c2da4ff55c693264428ff18a0d48eeafaf25d115d12b9736243fd0cd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f71e8871a1760b6590328ace905cc5c9fe321c1b871d712a56358218233d481
[INFO] running `Command { std: "docker" "start" "-a" "9f71e8871a1760b6590328ace905cc5c9fe321c1b871d712a56358218233d481", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]  Documenting pcb-rs-traits v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "9f71e8871a1760b6590328ace905cc5c9fe321c1b871d712a56358218233d481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f71e8871a1760b6590328ace905cc5c9fe321c1b871d712a56358218233d481", kill_on_drop: false }`
[INFO] [stdout] 9f71e8871a1760b6590328ace905cc5c9fe321c1b871d712a56358218233d481
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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" "+e1df625306f4136949e02612406f0c60df6008f3" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 65a4be7926a31262c3fc07c564a125665409c240e55977d88806a86cc7a092e7
[INFO] running `Command { std: "docker" "start" "-a" "65a4be7926a31262c3fc07c564a125665409c240e55977d88806a86cc7a092e7", kill_on_drop: false }`
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]  Documenting pcb-rs-traits v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "65a4be7926a31262c3fc07c564a125665409c240e55977d88806a86cc7a092e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65a4be7926a31262c3fc07c564a125665409c240e55977d88806a86cc7a092e7", kill_on_drop: false }`
[INFO] [stdout] 65a4be7926a31262c3fc07c564a125665409c240e55977d88806a86cc7a092e7