Running with gitlab-runner 16.2.1 (674e0e29)
  on pEpRunnerFoundation axZqXU5iD, system ID: s_6dd4b8cbdaab
section_start:1693835758:prepare_executor
Preparing the "docker" executor
Using Docker executor with image /sequoia-pgp/build-docker-image/bookworm:latest ...
Pulling docker image /sequoia-pgp/build-docker-image/bookworm:latest ...
WARNING: Failed to pull image with policy "always": invalid reference format (manager.go:237:0s)
section_end:1693835762:prepare_executor
ERROR: Job failed: failed to pull image "/sequoia-pgp/build-docker-image/bookworm:latest" with specified policies [always]: invalid reference format (manager.go:237:0s)