No space left on device : '/Users/runner/runners/2.311.0/_diag/blocks/03a5bf1e-fa01-4a24-b4c6-43fec83d1658_d56fa4e7-b1d6-5455-52b4-124993b25c99.1'

The hosted runner: GitHub Actions 54 lost communication with the server. Anything in your workflow that terminates the runner process, starves it for CPU/Memory, or blocks its network access can cause this error.