[INFO] fetching crate asciiarena 0.0.7...
[INFO] checking asciiarena-0.0.7 against master#be181dd75c83d72fcc95538e235768bc367b76b9 for pr-140208
[INFO] extracting crate asciiarena 0.0.7 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate asciiarena 0.0.7 on toolchain be181dd75c83d72fcc95538e235768bc367b76b9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+be181dd75c83d72fcc95538e235768bc367b76b9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate asciiarena 0.0.7
[INFO] finished tweaking crates.io crate asciiarena 0.0.7
[INFO] tweaked toml for crates.io crate asciiarena 0.0.7 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate asciiarena 0.0.7 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" "+be181dd75c83d72fcc95538e235768bc367b76b9" "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 ctrlc v3.1.9
[INFO] [stderr]   Downloaded fern v0.6.0
[INFO] [stderr] error: failed to unpack package `fern v0.6.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `fern-0.6.0/src/lib.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fern-0.6.0/src/lib.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `fern-0.6.0/src/lib.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fern-0.6.0/src/lib.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   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 ctrlc v3.1.9
  Downloaded fern v0.6.0
error: failed to unpack package `fern v0.6.0`

Caused by:
  failed to unpack entry at `fern-0.6.0/src/lib.rs`

Caused by:
  failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fern-0.6.0/src/lib.rs`

Caused by:
  failed to unpack `fern-0.6.0/src/lib.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fern-0.6.0/src/lib.rs`

Caused by:
  No space left on device (os error 28)