[INFO] fetching crate protobuf-build 0.15.1...
[INFO] documenting protobuf-build-0.15.1 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate protobuf-build 0.15.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate protobuf-build 0.15.1 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate protobuf-build 0.15.1
[INFO] finished tweaking crates.io crate protobuf-build 0.15.1
[INFO] tweaked toml for crates.io crate protobuf-build 0.15.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded autotools v0.2.6
[INFO] [stderr]   Downloaded grpcio-compiler v0.13.0
[INFO] [stderr]   Downloaded protobuf-codegen v2.28.0
[INFO] [stderr]   Downloaded protobuf v2.28.0
[INFO] [stderr]   Downloaded protobuf-src v1.1.0+21.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 187b73d26f081cb8dd09008b3d12c8abb3d35aaba6cc31c71977f53eb850c2e2
[INFO] running `Command { std: "docker" "start" "-a" "187b73d26f081cb8dd09008b3d12c8abb3d35aaba6cc31c71977f53eb850c2e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "187b73d26f081cb8dd09008b3d12c8abb3d35aaba6cc31c71977f53eb850c2e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "187b73d26f081cb8dd09008b3d12c8abb3d35aaba6cc31c71977f53eb850c2e2", kill_on_drop: false }`
[INFO] [stdout] 187b73d26f081cb8dd09008b3d12c8abb3d35aaba6cc31c71977f53eb850c2e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcaa757c335c67e8495f26669502caa8cf860dc4e7f95db5fea399954966fbee
[INFO] running `Command { std: "docker" "start" "-a" "dcaa757c335c67e8495f26669502caa8cf860dc4e7f95db5fea399954966fbee", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling autotools v0.2.6
[INFO] [stderr]    Compiling protobuf-src v1.1.0+21.5
[INFO] [stderr]     Checking protobuf-codegen v2.28.0
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "dcaa757c335c67e8495f26669502caa8cf860dc4e7f95db5fea399954966fbee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcaa757c335c67e8495f26669502caa8cf860dc4e7f95db5fea399954966fbee", kill_on_drop: false }`
[INFO] [stdout] dcaa757c335c67e8495f26669502caa8cf860dc4e7f95db5fea399954966fbee
