[INFO] fetching crate optimal-transport 0.2.0...
[INFO] testing optimal-transport-0.2.0 against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] extracting crate optimal-transport 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate optimal-transport 0.2.0
[INFO] finished tweaking crates.io crate optimal-transport 0.2.0
[INFO] tweaked toml for crates.io crate optimal-transport 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate optimal-transport 0.2.0 on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "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 48 packages to latest compatible versions
[INFO] [stderr]       Adding float-ord v0.2.0 (available: v0.3.2)
[INFO] [stderr]       Adding indoc-impl v0.3.6 (available: v0.3.7)
[INFO] [stderr]       Adding ndarray v0.13.1 (available: v0.17.2)
[INFO] [stderr]       Adding numpy v0.11.0 (available: v0.27.1)
[INFO] [stderr]       Adding pyo3 v0.11.1 (available: v0.27.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "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] error: failed to download `winapi v0.3.9`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   unable to get packages from source
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack package `winapi v0.3.9`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `winapi-0.3.9/src/shared/dxgi1_6.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/winapi-0.3.9/src/shared/dxgi1_6.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `winapi-0.3.9/src/shared/dxgi1_6.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/winapi-0.3.9/src/shared/dxgi1_6.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 ...
error: failed to download `winapi v0.3.9`

Caused by:
  unable to get packages from source

Caused by:
  failed to unpack package `winapi v0.3.9`

Caused by:
  failed to unpack entry at `winapi-0.3.9/src/shared/dxgi1_6.rs`

Caused by:
  failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/winapi-0.3.9/src/shared/dxgi1_6.rs`

Caused by:
  failed to unpack `winapi-0.3.9/src/shared/dxgi1_6.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/winapi-0.3.9/src/shared/dxgi1_6.rs`

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