[INFO] cloning repository https://github.com/hwchen/beryl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hwchen/beryl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhwchen%2Fberyl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhwchen%2Fberyl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd2628fa7d7e66db41916dfca0a5c6851df69544
[INFO] checking hwchen/beryl against master#068609ce766e55d2e7371cd2a86143a6d7e8e2e4 for pr-138952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhwchen%2Fberyl" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hwchen/beryl 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 git repo https://github.com/hwchen/beryl
[INFO] finished tweaking git repo https://github.com/hwchen/beryl
[INFO] tweaked toml for git repo https://github.com/hwchen/beryl written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/hwchen/beryl 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" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pretty_env_logger v0.3.0
[INFO] [stderr]   Downloaded lz4 v1.23.1
[INFO] [stderr] error: failed to unpack package `lz4 v1.23.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `lz4-1.23.1/.travis.yml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/lz4-1.23.1/.travis.yml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `lz4-1.23.1/.travis.yml` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/lz4-1.23.1/.travis.yml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)


command failed: exit status: 101

 Downloading crates ...
  Downloaded pretty_env_logger v0.3.0
  Downloaded lz4 v1.23.1
error: failed to unpack package `lz4 v1.23.1`

Caused by:
  failed to unpack entry at `lz4-1.23.1/.travis.yml`

Caused by:
  failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/lz4-1.23.1/.travis.yml`

Caused by:
  failed to unpack `lz4-1.23.1/.travis.yml` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/lz4-1.23.1/.travis.yml`

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