[INFO] cloning repository https://github.com/juliendoutre/r8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/juliendoutre/r8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuliendoutre%2Fr8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuliendoutre%2Fr8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ee1fbf9412f05d4975133b9d474016a1c1615c4
[INFO] checking juliendoutre/r8 against master#068609ce766e55d2e7371cd2a86143a6d7e8e2e4 for pr-138952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuliendoutre%2Fr8" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/juliendoutre/r8 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/juliendoutre/r8
[INFO] finished tweaking git repo https://github.com/juliendoutre/r8
[INFO] tweaked toml for git repo https://github.com/juliendoutre/r8 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/juliendoutre/r8 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.48.0
[INFO] [stderr] error: failed to unpack package `pistoncore-event_loop v0.48.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `pistoncore-event_loop-0.48.0/.gitignore`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pistoncore-event_loop-0.48.0/.gitignore`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `pistoncore-event_loop-0.48.0/.gitignore` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pistoncore-event_loop-0.48.0/.gitignore`
[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 pistoncore-event_loop v0.48.0
error: failed to unpack package `pistoncore-event_loop v0.48.0`

Caused by:
  failed to unpack entry at `pistoncore-event_loop-0.48.0/.gitignore`

Caused by:
  failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pistoncore-event_loop-0.48.0/.gitignore`

Caused by:
  failed to unpack `pistoncore-event_loop-0.48.0/.gitignore` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pistoncore-event_loop-0.48.0/.gitignore`

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