[Bug]: OCI image build fails when copying image to target regions #3914

oci.exceptions.ServiceError: {'target_service': 'object_storage', 'status': 409, 'code': 'BucketNotEmpty', 'opc-request-id': 'redacted', 'message': "Bucket named 'dstack-0.13' has pending multipart uploads. Stop all multipart uploads first.", 'operation_name': 'delete_bucket', 'timestamp': '2026-05-28T00:46:51.820392+00:00', 'client_version': 'Oracle-PythonSDK/2.176.0', 'request_endpoint': 'DELETE redacted', 'logging_tips': 'To get more info on the failing request, refer to https://docs.oracle.com/en-us/iaas/tools/python/latest/logging.html for ways to log the request/response details.', 'troubleshooting_tips': "See https://docs.oracle.com/iaas/Content/API/References/apierrors.htm#apierrors_409__409_bucketnotempty for more information about resolving this error. Also see https://docs.oracle.com/iaas/api/#/en/objectstorage/20160918/Bucket/DeleteBucket for details on this operation's requirements. If you are unable to resolve this object_storage issue, please contact Oracle support and provide them this full error message."}