[INFO] fetching crate aelf-crypto 0.1.0-alpha.1...
[INFO] checking aelf-crypto-0.1.0-alpha.1 against try#9228062c11d321a3ea08123f57e47533a3c88b00 for pr-154781
[INFO] extracting crate aelf-crypto 0.1.0-alpha.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate aelf-crypto 0.1.0-alpha.1
[INFO] finished tweaking crates.io crate aelf-crypto 0.1.0-alpha.1
[INFO] tweaked toml for crates.io crate aelf-crypto 0.1.0-alpha.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate aelf-crypto 0.1.0-alpha.1 on toolchain 9228062c11d321a3ea08123f57e47533a3c88b00
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate aelf-crypto 0.1.0-alpha.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "fetch" "--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 aelf-crypto-0.1.0-alpha.1 against try#9228062c11d321a3ea08123f57e47533a3c88b00 for pr-154781
[INFO] extracting crate aelf-crypto 0.1.0-alpha.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate aelf-crypto 0.1.0-alpha.1
[INFO] finished tweaking crates.io crate aelf-crypto 0.1.0-alpha.1
[INFO] tweaked toml for crates.io crate aelf-crypto 0.1.0-alpha.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate aelf-crypto 0.1.0-alpha.1 on toolchain 9228062c11d321a3ea08123f57e47533a3c88b00
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate aelf-crypto 0.1.0-alpha.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking aelf-crypto-0.1.0-alpha.1 against try#9228062c11d321a3ea08123f57e47533a3c88b00 for pr-154781
[INFO] extracting crate aelf-crypto 0.1.0-alpha.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate aelf-crypto 0.1.0-alpha.1
[INFO] finished tweaking crates.io crate aelf-crypto 0.1.0-alpha.1
[INFO] tweaked toml for crates.io crate aelf-crypto 0.1.0-alpha.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate aelf-crypto 0.1.0-alpha.1 on toolchain 9228062c11d321a3ea08123f57e47533a3c88b00
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate aelf-crypto 0.1.0-alpha.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking aelf-crypto-0.1.0-alpha.1 against try#9228062c11d321a3ea08123f57e47533a3c88b00 for pr-154781
[INFO] extracting crate aelf-crypto 0.1.0-alpha.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate aelf-crypto 0.1.0-alpha.1
[INFO] finished tweaking crates.io crate aelf-crypto 0.1.0-alpha.1
[INFO] tweaked toml for crates.io crate aelf-crypto 0.1.0-alpha.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate aelf-crypto 0.1.0-alpha.1 on toolchain 9228062c11d321a3ea08123f57e47533a3c88b00
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate aelf-crypto 0.1.0-alpha.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking aelf-crypto-0.1.0-alpha.1 against try#9228062c11d321a3ea08123f57e47533a3c88b00 for pr-154781
[INFO] extracting crate aelf-crypto 0.1.0-alpha.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate aelf-crypto 0.1.0-alpha.1
[INFO] finished tweaking crates.io crate aelf-crypto 0.1.0-alpha.1
[INFO] tweaked toml for crates.io crate aelf-crypto 0.1.0-alpha.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate aelf-crypto 0.1.0-alpha.1 on toolchain 9228062c11d321a3ea08123f57e47533a3c88b00
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate aelf-crypto 0.1.0-alpha.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "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
[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