[INFO] fetching crate byte-slab-derive 0.2.1...
[INFO] testing byte-slab-derive-0.2.1 against master#414482f6a0d4e7290f614300581a0b55442552a3 for pr-140985
[INFO] extracting crate byte-slab-derive 0.2.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate byte-slab-derive 0.2.1 on toolchain 414482f6a0d4e7290f614300581a0b55442552a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate byte-slab-derive 0.2.1
[INFO] finished tweaking crates.io crate byte-slab-derive 0.2.1
[INFO] tweaked toml for crates.io crate byte-slab-derive 0.2.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 31 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.101)
[INFO] [stderr]       Adding synstructure v0.12.6 (available: v0.13.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "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 byte-slab v0.2.2
[INFO] [stderr] error: failed to unpack package `byte-slab v0.2.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `byte-slab-0.2.2/.cargo_vcs_info.json`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/byte-slab-0.2.2/.cargo_vcs_info.json`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `byte-slab-0.2.2/.cargo_vcs_info.json` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/byte-slab-0.2.2/.cargo_vcs_info.json`
[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
    Blocking waiting for file lock on package cache
 Downloading crates ...
  Downloaded byte-slab v0.2.2
error: failed to unpack package `byte-slab v0.2.2`

Caused by:
  failed to unpack entry at `byte-slab-0.2.2/.cargo_vcs_info.json`

Caused by:
  failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/byte-slab-0.2.2/.cargo_vcs_info.json`

Caused by:
  failed to unpack `byte-slab-0.2.2/.cargo_vcs_info.json` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/byte-slab-0.2.2/.cargo_vcs_info.json`

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