[INFO] fetching crate pubsub_grpc 0.5.2...
[INFO] checking pubsub_grpc-0.5.2 against try#c86ec274072509d26d0ee52682a0c94ed012ed89 for pr-153027
[INFO] extracting crate pubsub_grpc 0.5.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate pubsub_grpc 0.5.2
[INFO] finished tweaking crates.io crate pubsub_grpc 0.5.2
[INFO] tweaked toml for crates.io crate pubsub_grpc 0.5.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pubsub_grpc 0.5.2 on toolchain c86ec274072509d26d0ee52682a0c94ed012ed89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking pubsub_grpc-0.5.2 against try#c86ec274072509d26d0ee52682a0c94ed012ed89 for pr-153027
[INFO] extracting crate pubsub_grpc 0.5.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate pubsub_grpc 0.5.2
[INFO] finished tweaking crates.io crate pubsub_grpc 0.5.2
[INFO] tweaked toml for crates.io crate pubsub_grpc 0.5.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pubsub_grpc 0.5.2 on toolchain c86ec274072509d26d0ee52682a0c94ed012ed89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking pubsub_grpc-0.5.2 against try#c86ec274072509d26d0ee52682a0c94ed012ed89 for pr-153027
[INFO] extracting crate pubsub_grpc 0.5.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate pubsub_grpc 0.5.2
[INFO] finished tweaking crates.io crate pubsub_grpc 0.5.2
[INFO] tweaked toml for crates.io crate pubsub_grpc 0.5.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pubsub_grpc 0.5.2 on toolchain c86ec274072509d26d0ee52682a0c94ed012ed89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking pubsub_grpc-0.5.2 against try#c86ec274072509d26d0ee52682a0c94ed012ed89 for pr-153027
[INFO] extracting crate pubsub_grpc 0.5.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate pubsub_grpc 0.5.2
[INFO] finished tweaking crates.io crate pubsub_grpc 0.5.2
[INFO] tweaked toml for crates.io crate pubsub_grpc 0.5.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pubsub_grpc 0.5.2 on toolchain c86ec274072509d26d0ee52682a0c94ed012ed89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking pubsub_grpc-0.5.2 against try#c86ec274072509d26d0ee52682a0c94ed012ed89 for pr-153027
[INFO] extracting crate pubsub_grpc 0.5.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate pubsub_grpc 0.5.2
[INFO] finished tweaking crates.io crate pubsub_grpc 0.5.2
[INFO] tweaked toml for crates.io crate pubsub_grpc 0.5.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pubsub_grpc 0.5.2 on toolchain c86ec274072509d26d0ee52682a0c94ed012ed89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds


overridden task result to prepare-fail:timeout

Caused by:
    0: uncategorized prepare error
    1: no output for 300 seconds