[INFO] fetching crate SlotList 0.1.0...
[INFO] checking SlotList-0.1.0 against ed77b7b8699e342c2dc842c83cb5fe4025252ee8 for pr-158915-1
[INFO] extracting crate SlotList 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate SlotList 0.1.0
[INFO] finished tweaking crates.io crate SlotList 0.1.0
[INFO] tweaked toml for crates.io crate SlotList 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate SlotList 0.1.0 on toolchain ed77b7b8699e342c2dc842c83cb5fe4025252ee8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed77b7b8699e342c2dc842c83cb5fe4025252ee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate SlotList 0.1.0 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" "+ed77b7b8699e342c2dc842c83cb5fe4025252ee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: binary `SlotList` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-1-tc1/source/target/.../SlotList
[INFO] [stderr]    |                                                  ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `slot-list`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:9:8
[INFO] [stderr]    |
[INFO] [stderr]  9 - name = "SlotList"
[INFO] [stderr]  9 + name = "slot-list"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `slot-list`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:11:19
[INFO] [stderr]    |
[INFO] [stderr] 11 ~ version = "0.1.0"
[INFO] [stderr] 12 + [[bin]]
[INFO] [stderr] 13 + name = "slot-list"
[INFO] [stderr] 14 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `SlotList` (manifest) generated 2 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