br failed to backup

[kikimo]

br failed to backup and report error as below:

      --debug                  Output log in debug level or not
      --log string             Specify br detail log path (default "br.log")
      --meta string            Specify meta server
      --s3.access_key string   S3 Option: set access key id
      --s3.endpoint string     S3 Option: set the S3 endpoint URL, please specify the http or https scheme explicitly
      --s3.region string       S3 Option: set region or location to upload or download backup
      --s3.secret_key string   S3 Option: set secret key for access id
      --spaces stringArray     (EXPERIMENTAL)space names.
                                   By this option, user can specify which spaces to backup. Now this feature is still experimental.
                                   If not specified, will backup all spaces.
                                   
      --storage string         backup target url, format: <SCHEME>://<PATH>.
                                   <SCHEME>: a string indicating which backend type. optional: local, s3.
                                   now only s3-compatible is supported.
                                   example:
                                   for local - "local:///the/local/path/to/backup"                                   for s3  - "s3://example/url/to/the/backup"
{"file":"./main.go:17","func":"main.main","level":"fatal","msg":"write meta to tmp path failed: open file /tmp/nebula-br/BACKUP_2022_07_07_14_22_24.meta failed: open /tmp/nebula-br/BACKUP_2022_07_07_14_22_24.meta: no such file or directory","time":"2022-07-07T14:25:57.630Z"}
Traceback (most recent call last):
  File "br_all.py", line 421, in new_run
    do_new_run(session)
  File "br_all.py", line 314, in do_new_run
    must_run_script('br-cli-remote-inc-backup.sh',
  File "br_all.py", line 236, in must_run_script
    subprocess.run([full_scripts, *params], check=True)
  File "/usr/lib/python3.8/subprocess.py", line 516, in run
    raise CalledProcessError(retcode, process.args,
subprocess.CalledProcessError: Command '['/nebula-cases/nebula-chaos-cluster/scripts/br-cli-remote-inc-backup.sh', 'BACKUP_2022_07_07_14_21_02\n', 'test', 'runtest-d45867f6f-4lqsx']' returned non-zero exit status 1.
root@runtest-d45867f6f-4lqsx:/nebula-cases/nebula-chaos-cluster/scripts#