code: def fail(self, message=None, force_exit=False):
          
          global last_exit_code
  
          if not last_exit_code:
              last_exit_code = 1
  
          with self.git.batch_commit('FAILED'):
              self.set_status('FAILED', add_section=False)
              self.git.commit_json_file('FAIL_MESSAGE', 'aetros/job/crash/error', str(message) if message else '')
              if isinstance(sys.stderr, GeneralLogger):
                  self.git.commit_json_file('FAIL_MESSAGE_LAST_LOG', 'aetros/job/crash/last_message', sys.stderr.last_messages)
  
          self.logger.debug('Crash report stored in commit ' + self.git.get_head_commit())
          self.stop(JOB_STATUS.PROGRESS_STATUS_FAILED, force_exit=force_exit)
docs: Marks the job as failed, saves the given error message and force exists the process when force_exit=True.