f'{url}\n\n')
      failure_msg += (
          f'Here\'s a fragment of the log containing the failure:\n\n'
          f'[ ... TRUNCATED ... ]\n\n'
          f'{invocation_results["log_fragment"]}\n'
          f'\n[ ... TRUNCATED ... ]\n'
      )
      failure = ElemTree.SubElement(
          testcase, elem_name,
          message=f'Bazel invocation {invocation_id} failed.')