[INFO] fetching crate ark-secp256k1-zypher 0.4.0...
[INFO] checking ark-secp256k1-zypher-0.4.0 against master#0c478fdfe138a8b09744798c85fe2be657768b00 for pr-139419
[INFO] extracting crate ark-secp256k1-zypher 0.4.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate ark-secp256k1-zypher 0.4.0 on toolchain 0c478fdfe138a8b09744798c85fe2be657768b00
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c478fdfe138a8b09744798c85fe2be657768b00" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ark-secp256k1-zypher 0.4.0
[INFO] finished tweaking crates.io crate ark-secp256k1-zypher 0.4.0
[INFO] tweaked toml for crates.io crate ark-secp256k1-zypher 0.4.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c478fdfe138a8b09744798c85fe2be657768b00" "generate-lockfile" "--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/ar/k-/ark-poly-zypher, error: No space left on device (os error 28)
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 132 packages to latest compatible versions
[INFO] [stderr]       Adding ark-algebra-bench-templates v0.4.2 (available: v0.5.0)
[INFO] [stderr]       Adding ark-algebra-test-templates v0.4.2 (available: v0.5.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c478fdfe138a8b09744798c85fe2be657768b00" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ark-serialize-zypher v0.4.2
[INFO] [stderr] error: failed to unpack package `ark-serialize-zypher v0.4.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `ark-serialize-zypher-0.4.2/src/lib.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ark-serialize-zypher-0.4.2/src/lib.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `ark-serialize-zypher-0.4.2/src/lib.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ark-serialize-zypher-0.4.2/src/lib.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
    Blocking waiting for file lock on package cache
 Downloading crates ...
  Downloaded ark-serialize-zypher v0.4.2
error: failed to unpack package `ark-serialize-zypher v0.4.2`

Caused by:
  failed to unpack entry at `ark-serialize-zypher-0.4.2/src/lib.rs`

Caused by:
  failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ark-serialize-zypher-0.4.2/src/lib.rs`

Caused by:
  failed to unpack `ark-serialize-zypher-0.4.2/src/lib.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ark-serialize-zypher-0.4.2/src/lib.rs`

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