[INFO] fetching crate rediff 0.50.0-rc.5...
[INFO] checking rediff-0.50.0-rc.5 against 4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d for pr-159598
[INFO] extracting crate rediff 0.50.0-rc.5 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rediff 0.50.0-rc.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rediff 0.50.0-rc.5
[INFO] tweaked toml for crates.io crate rediff 0.50.0-rc.5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rediff 0.50.0-rc.5 on toolchain 4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rediff 0.50.0-rc.5 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" "+4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d" "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 rediff-0.50.0-rc.5 against 4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d for pr-159598
[INFO] extracting crate rediff 0.50.0-rc.5 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rediff 0.50.0-rc.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rediff 0.50.0-rc.5
[INFO] tweaked toml for crates.io crate rediff 0.50.0-rc.5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rediff 0.50.0-rc.5 on toolchain 4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rediff 0.50.0-rc.5 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" "+4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d" "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 rediff-0.50.0-rc.5 against 4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d for pr-159598
[INFO] extracting crate rediff 0.50.0-rc.5 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rediff 0.50.0-rc.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rediff 0.50.0-rc.5
[INFO] tweaked toml for crates.io crate rediff 0.50.0-rc.5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rediff 0.50.0-rc.5 on toolchain 4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rediff 0.50.0-rc.5 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" "+4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d" "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 rediff-0.50.0-rc.5 against 4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d for pr-159598
[INFO] extracting crate rediff 0.50.0-rc.5 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rediff 0.50.0-rc.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rediff 0.50.0-rc.5
[INFO] tweaked toml for crates.io crate rediff 0.50.0-rc.5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rediff 0.50.0-rc.5 on toolchain 4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rediff 0.50.0-rc.5 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" "+4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d" "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 rediff-0.50.0-rc.5 against 4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d for pr-159598
[INFO] extracting crate rediff 0.50.0-rc.5 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rediff 0.50.0-rc.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rediff 0.50.0-rc.5
[INFO] tweaked toml for crates.io crate rediff 0.50.0-rc.5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rediff 0.50.0-rc.5 on toolchain 4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rediff 0.50.0-rc.5 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" "+4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d" "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