[INFO] fetching crate fiddler 4.9.1...
[INFO] checking fiddler-4.9.1 against 5c543b0b8c73c7b72bc8284ced4fb22ead15734d for pr-160186
[INFO] extracting crate fiddler 4.9.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate fiddler 4.9.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate fiddler 4.9.1
[INFO] tweaked toml for crates.io crate fiddler 4.9.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fiddler 4.9.1 on toolchain 5c543b0b8c73c7b72bc8284ced4fb22ead15734d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fiddler 4.9.1 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" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `lints.rust.missing-docs` is deprecated in favor of `lints.rust.missing_docs` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.rust.redundant-imports` is deprecated in favor of `lints.rust.redundant_imports` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.rust.unused-crate-dependencies` is deprecated in favor of `lints.rust.unused_crate_dependencies` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.rust.unused-extern-crates` is deprecated in favor of `lints.rust.unused_extern_crates` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.rust.unused-import-braces` is deprecated in favor of `lints.rust.unused_import_braces` and will not work in a future edition
[INFO] [stderr] warning: `fiddler` (manifest) generated 5 warnings
[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