[1677879582:138001][1881479:0x3ff8a174910], wt, lsm-worker: [WT_VERB_DEFAULT][ERROR]: __lsm_worker, 167: Error in LSM worker thread 2: No such file or directory
[1677879582:138054][1881479:0x3ff8a174910], wt, lsm-worker: [WT_VERB_DEFAULT][ERROR]: __lsm_worker, 167: the process must exit and restart: WT_PANIC: WiredTiger library panic
[1677879582:138059][1881479:0x3ff8a174910], wt, lsm-worker: [WT_VERB_DEFAULT][ERROR]: __wt_abort, 28: aborting WiredTiger library

FAIL: test_backup03.test_backup_target.test_backup_target(backup_4) (subunit.RemotedTestCase)
test_backup03.test_backup_target.test_backup_target(backup_4)
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testtools.testresult.real._StringException: Traceback (most recent call last):
  File "/data/mci/b70311736906bf47466cc18bd8f36bc2/wiredtiger/test/suite/test_backup03.py", line 123, in test_backup_target
    self.backup_table_cursor(self.list)
  File "/data/mci/b70311736906bf47466cc18bd8f36bc2/wiredtiger/test/suite/test_backup03.py", line 111, in backup_table_cursor
    self.compare_backups(self.objs[i][0], self.dir, './')
  File "/data/mci/b70311736906bf47466cc18bd8f36bc2/wiredtiger/test/suite/wtbackup.py", line 225, in compare_backups
    self.runWt(['-R', '-h', base_dir, 'dump', uri], outfilename=base_out)
  File "/data/mci/b70311736906bf47466cc18bd8f36bc2/wiredtiger/test/suite/suite_subprocess.py", line 298, in runWt
    self.assertEqual(returncode, 0,
  File "/opt/mongodbtoolchain/revisions/ecdb6f23a2cc2e822b8dc2eeb3f04c31f25c66ce/stow/python3-v3.YZ3/lib/python3.9/unittest/case.py", line 831, in assertEqual
    assertion_func(first, second, msg=msg)
  File "/opt/mongodbtoolchain/revisions/ecdb6f23a2cc2e822b8dc2eeb3f04c31f25c66ce/stow/python3-v3.YZ3/lib/python3.9/unittest/case.py", line 824, in _baseAssertEqual
    raise self.failureException(msg)
AssertionError: -6 != 0 : expected success: "['/data/mci/b70311736906bf47466cc18bd8f36bc2/wiredtiger/cmake_build/wt', '-R', '-h', 'backup.dir', 'dump', 'table:test_backup.4']": exited -6
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Ran 8980 tests in 4171.085s