[INFO] fetching crate mozrunner 0.15.4...
[INFO] checking mozrunner-0.15.4 against master#64b185eddaa1d7ddf5e0c024be23b9cbba6c1722 for pr-143929
[INFO] extracting crate mozrunner 0.15.4 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate mozrunner 0.15.4
[INFO] finished tweaking crates.io crate mozrunner 0.15.4
[INFO] tweaked toml for crates.io crate mozrunner 0.15.4 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mozrunner 0.15.4 on toolchain 64b185eddaa1d7ddf5e0c024be23b9cbba6c1722
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mozrunner 0.15.4 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" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "fetch" "--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] warning: failed to write cache, path: /workspace/cargo-home/registry/index/index.crates.io-1949cf8c6b5b557f/.cache/mo/zp/mozprofile, error: No space left on device (os error 28)
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mozprofile v0.9.4
[INFO] [stderr] error: failed to unpack package `mozprofile v0.9.4`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `mozprofile-0.9.4/src/prefreader.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mozprofile-0.9.4/src/prefreader.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `mozprofile-0.9.4/src/prefreader.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mozprofile-0.9.4/src/prefreader.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
    Updating crates.io index
warning: failed to write cache, path: /workspace/cargo-home/registry/index/index.crates.io-1949cf8c6b5b557f/.cache/mo/zp/mozprofile, error: No space left on device (os error 28)
 Downloading crates ...
  Downloaded mozprofile v0.9.4
error: failed to unpack package `mozprofile v0.9.4`

Caused by:
  failed to unpack entry at `mozprofile-0.9.4/src/prefreader.rs`

Caused by:
  failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mozprofile-0.9.4/src/prefreader.rs`

Caused by:
  failed to unpack `mozprofile-0.9.4/src/prefreader.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mozprofile-0.9.4/src/prefreader.rs`

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