[INFO] fetching crate workspace_test 0.1.0...
[INFO] testing workspace_test-0.1.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237
[INFO] extracting crate workspace_test 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate workspace_test 0.1.0
[INFO] finished tweaking crates.io crate workspace_test 0.1.0
[INFO] tweaked toml for crates.io crate workspace_test 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate workspace_test 0.1.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: failed to save last-use data
[INFO] [stderr] This may prevent cargo from accurately tracking what is being used in its global cache. This information is used for automatically removing unused data in the cache.
[INFO] [stderr] 
[INFO] [stderr] database or disk is full
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Error code 13: Insertion failed because database is full
[INFO] [stderr] error: failed to write /workspace/builds/worker-4-tc1/source/Cargo.lock
[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
warning: failed to save last-use data
This may prevent cargo from accurately tracking what is being used in its global cache. This information is used for automatically removing unused data in the cache.

database or disk is full

Caused by:
  Error code 13: Insertion failed because database is full
error: failed to write /workspace/builds/worker-4-tc1/source/Cargo.lock

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