[INFO] fetching crate nixpkgs-track 0.3.0...
[INFO] checking nixpkgs-track-0.3.0 against try#afeffcd090fe6cee35c99f8b5539d74aa443fe34 for pr-140956
[INFO] extracting crate nixpkgs-track 0.3.0 into /workspace/builds/worker-7-tc2/source
[INFO] checking nixpkgs-track-0.3.0 against try#afeffcd090fe6cee35c99f8b5539d74aa443fe34 for pr-140956
[INFO] extracting crate nixpkgs-track 0.3.0 into /workspace/builds/worker-7-tc2/source
[INFO] checking nixpkgs-track-0.3.0 against try#afeffcd090fe6cee35c99f8b5539d74aa443fe34 for pr-140956
[INFO] extracting crate nixpkgs-track 0.3.0 into /workspace/builds/worker-7-tc2/source
[INFO] checking nixpkgs-track-0.3.0 against try#afeffcd090fe6cee35c99f8b5539d74aa443fe34 for pr-140956
[INFO] extracting crate nixpkgs-track 0.3.0 into /workspace/builds/worker-7-tc2/source
[INFO] checking nixpkgs-track-0.3.0 against try#afeffcd090fe6cee35c99f8b5539d74aa443fe34 for pr-140956
[INFO] extracting crate nixpkgs-track 0.3.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate nixpkgs-track 0.3.0
[INFO] finished tweaking crates.io crate nixpkgs-track 0.3.0
[INFO] tweaked toml for crates.io crate nixpkgs-track 0.3.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nixpkgs-track 0.3.0 on toolchain afeffcd090fe6cee35c99f8b5539d74aa443fe34
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nixpkgs-track 0.3.0 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" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "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
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded user_dirs v0.2.0
[INFO] [stderr] error: No space left on device (os error 28)


command failed: exit status: 101

    Blocking waiting for file lock on package cache
    Blocking waiting for file lock on package cache
 Downloading crates ...
  Downloaded user_dirs v0.2.0
error: No space left on device (os error 28)