[INFO] fetching crate zkinterface 1.3.4...
[INFO] checking zkinterface-1.3.4 against master#46424fb5054f211ec836c5c03159f92e46bb35ac for pr-139042
[INFO] extracting crate zkinterface 1.3.4 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate zkinterface 1.3.4 on toolchain 46424fb5054f211ec836c5c03159f92e46bb35ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zkinterface 1.3.4
[INFO] finished tweaking crates.io crate zkinterface 1.3.4
[INFO] tweaked toml for crates.io crate zkinterface 1.3.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate zkinterface 1.3.4 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" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "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 flatbuffers v0.5.0
[INFO] [stderr] error: 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 flatbuffers v0.5.0
error: No space left on device (os error 28)