[INFO] fetching crate pbtools 0.15.0...
[INFO] documenting pbtools-0.15.0 against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] extracting crate pbtools 0.15.0 into /workspace/builds/worker-104/source
[INFO] validating manifest of crates.io crate pbtools 0.15.0 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 pbtools 0.15.0
[INFO] finished tweaking crates.io crate pbtools 0.15.0
[INFO] tweaked toml for crates.io crate pbtools 0.15.0 written to /workspace/builds/worker-104/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num_enum v0.5.7
[INFO] [stderr]   Downloaded toml v0.5.9
[INFO] [stderr]   Downloaded proc-macro-crate v1.1.3
[INFO] [stderr]   Downloaded num_enum_derive v0.5.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] 57c805648cfebd351b15dc74b0b7f31b078a8f1651f5a6f0e90151803c6080b7
[INFO] running `Command { std: "docker" "start" "-a" "57c805648cfebd351b15dc74b0b7f31b078a8f1651f5a6f0e90151803c6080b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57c805648cfebd351b15dc74b0b7f31b078a8f1651f5a6f0e90151803c6080b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57c805648cfebd351b15dc74b0b7f31b078a8f1651f5a6f0e90151803c6080b7", kill_on_drop: false }`
[INFO] [stdout] 57c805648cfebd351b15dc74b0b7f31b078a8f1651f5a6f0e90151803c6080b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] ca6456d85612d1c7ddd7bfcea08f36045940ebfbdc329648f4cbf474765264fd
[INFO] running `Command { std: "docker" "start" "-a" "ca6456d85612d1c7ddd7bfcea08f36045940ebfbdc329648f4cbf474765264fd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling num_enum_derive v0.5.7
[INFO] [stderr]     Checking num_enum v0.5.7
[INFO] [stderr]  Documenting pbtools v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.86s
[INFO] running `Command { std: "docker" "inspect" "ca6456d85612d1c7ddd7bfcea08f36045940ebfbdc329648f4cbf474765264fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca6456d85612d1c7ddd7bfcea08f36045940ebfbdc329648f4cbf474765264fd", kill_on_drop: false }`
[INFO] [stdout] ca6456d85612d1c7ddd7bfcea08f36045940ebfbdc329648f4cbf474765264fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] 761766928deb7316d846bea533b9336bc9c27ef2cd4615bb81273b2617dc8aae
[INFO] running `Command { std: "docker" "start" "-a" "761766928deb7316d846bea533b9336bc9c27ef2cd4615bb81273b2617dc8aae", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling num_enum_derive v0.5.7
[INFO] [stderr]     Checking num_enum v0.5.7
[INFO] [stderr]  Documenting pbtools v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.37s
[INFO] running `Command { std: "docker" "inspect" "761766928deb7316d846bea533b9336bc9c27ef2cd4615bb81273b2617dc8aae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "761766928deb7316d846bea533b9336bc9c27ef2cd4615bb81273b2617dc8aae", kill_on_drop: false }`
[INFO] [stdout] 761766928deb7316d846bea533b9336bc9c27ef2cd4615bb81273b2617dc8aae