[INFO] fetching crate checkerboard 0.1.0...
[INFO] checking checkerboard-0.1.0 against master#cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9 for pr-136968
[INFO] extracting crate checkerboard 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate checkerboard 0.1.0 on toolchain cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate checkerboard 0.1.0
[INFO] finished tweaking crates.io crate checkerboard 0.1.0
[INFO] tweaked toml for crates.io crate checkerboard 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9" "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 153 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.5.1)
[INFO] [stderr]       Adding image v0.22.5 (available: v0.25.5)
[INFO] [stderr]       Adding imageproc v0.18.0 (available: v0.25.0)
[INFO] [stderr]       Adding nalgebra v0.18.1 (available: v0.33.2)
[INFO] [stderr]       Adding opencv v0.17.3 (available: v0.94.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9" "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 imageproc v0.18.0
[INFO] [stderr]   Downloaded opencv v0.17.3
[INFO] [stderr] error: failed to unpack package `opencv v0.17.3`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `opencv-0.17.3/src/opencv_41/hub/types.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/opencv-0.17.3/src/opencv_41/hub/types.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `opencv-0.17.3/src/opencv_41/hub/types.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/opencv-0.17.3/src/opencv_41/hub/types.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
    Blocking waiting for file lock on package cache
 Downloading crates ...
  Downloaded imageproc v0.18.0
  Downloaded opencv v0.17.3
error: failed to unpack package `opencv v0.17.3`

Caused by:
  failed to unpack entry at `opencv-0.17.3/src/opencv_41/hub/types.rs`

Caused by:
  failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/opencv-0.17.3/src/opencv_41/hub/types.rs`

Caused by:
  failed to unpack `opencv-0.17.3/src/opencv_41/hub/types.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/opencv-0.17.3/src/opencv_41/hub/types.rs`

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