[INFO] cloning repository https://github.com/findelabs/kraken-exporter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/findelabs/kraken-exporter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffindelabs%2Fkraken-exporter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffindelabs%2Fkraken-exporter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 316c45aceece740f8d8dcbe9db9f053a44701788
[INFO] checking findelabs/kraken-exporter against master#90384941aae4ea38de00e4702b50757e9b882a19 for pr-138340
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffindelabs%2Fkraken-exporter" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/findelabs/kraken-exporter on toolchain 90384941aae4ea38de00e4702b50757e9b882a19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+90384941aae4ea38de00e4702b50757e9b882a19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/findelabs/kraken-exporter
[INFO] finished tweaking git repo https://github.com/findelabs/kraken-exporter
[INFO] tweaked toml for git repo https://github.com/findelabs/kraken-exporter written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/findelabs/kraken-exporter 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" "+90384941aae4ea38de00e4702b50757e9b882a19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded metrics-util v0.11.1
[INFO] [stderr] error: failed to unpack package `metrics-util v0.11.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `metrics-util-0.11.1/LICENSE`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/metrics-util-0.11.1/LICENSE`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `metrics-util-0.11.1/LICENSE` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/metrics-util-0.11.1/LICENSE`
[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
 Downloading crates ...
  Downloaded metrics-util v0.11.1
error: failed to unpack package `metrics-util v0.11.1`

Caused by:
  failed to unpack entry at `metrics-util-0.11.1/LICENSE`

Caused by:
  failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/metrics-util-0.11.1/LICENSE`

Caused by:
  failed to unpack `metrics-util-0.11.1/LICENSE` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/metrics-util-0.11.1/LICENSE`

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