[INFO] fetching crate settings_manager 0.0.2...
[INFO] checking settings_manager-0.0.2 against master#068609ce766e55d2e7371cd2a86143a6d7e8e2e4 for pr-138952
[INFO] extracting crate settings_manager 0.0.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate settings_manager 0.0.2 on toolchain 068609ce766e55d2e7371cd2a86143a6d7e8e2e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate settings_manager 0.0.2
[INFO] finished tweaking crates.io crate settings_manager 0.0.2
[INFO] tweaked toml for crates.io crate settings_manager 0.0.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 55 packages to latest compatible versions
[INFO] [stderr]       Adding directories v4.0.1 (available: v6.0.0)
[INFO] [stderr]       Adding fake v2.10.0 (available: v4.2.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "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 cluFlock v1.2.7
[INFO] [stderr] error: failed to unpack package `cluFlock v1.2.7`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `cluFlock-1.2.7/.travis.yml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cluFlock-1.2.7/.travis.yml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `cluFlock-1.2.7/.travis.yml` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cluFlock-1.2.7/.travis.yml`
[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 cluFlock v1.2.7
error: failed to unpack package `cluFlock v1.2.7`

Caused by:
  failed to unpack entry at `cluFlock-1.2.7/.travis.yml`

Caused by:
  failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cluFlock-1.2.7/.travis.yml`

Caused by:
  failed to unpack `cluFlock-1.2.7/.travis.yml` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cluFlock-1.2.7/.travis.yml`

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