[Collectiions] : minidump seen on windows during cleanup of cluster

{'GROUP': 'P0_failover_and_recovery',

 'cluster_name': 'testexec.28840',

 'conf_file': 'conf/collections/collections_failover.conf',

 'get-cbcollect-info': 'True',

 'infra_log_level': 'debug',

 'ini': '/tmp/testexec.28840.ini',

 'log_level': 'debug',

 'num_nodes': 5,

 'rerun': 'False',

 'spec': 'collections_failover',

 'upgrade_version': '7.0.0-4723'}

guides/gradlew --refresh-dependencies testrunner -P jython=/opt/jython/bin/jython -P 'args=-i /tmp/testexec.28840.ini GROUP=P0_failover_and_recovery,rerun=False,get-cbcollect-info=True,log_level=debug,infra_log_level=debug,upgrade_version=7.0.0-4723 -t bucket_collections.collections_rebalance.CollectionsRebalance.test_data_load_collections_with_graceful_failover_recovery,nodes_init=5,nodes_failover=2,recovery_type=delta,bucket_spec=multi_bucket.buckets_for_rebalance_tests,data_load_stage=during,skip_validations=False,GROUP=P0_failover_and_recovery'

C:\Program Files\Couchbase\Server\var\lib\couchbase\logs>findstr CRITICAL memcached.log.*

memcached.log.000010.txt:2021-03-18T01:25:46.480509-07:00 CRITICAL Breakpad caught a crash (Couchbase version 7.0.0-4723). Writing crash dump to c:/Program Files/Couchbase/Server/var/lib/couchbase/crash\1e0ed87d-f7f7-442b-bc3a-3ed4c75ebd59.dmp before terminating.

memcached.log.000010.txt:2021-03-18T01:25:46.481502-07:00 CRITICAL Stack backtrace of crashed thread:

memcached.log.000010.txt:2021-03-18T01:25:46.488670-07:00 CRITICAL     #0  c:\Program Files\Couchbase\Server\bin\memcached.exe(phosphor::tools::FileStopCallback::`default constructor closure'+518861) [0x00007FF73DEBE81D]

memcached.log.000010.txt:2021-03-18T01:25:46.488706-07:00 CRITICAL     #1  c:\Program Files\Couchbase\Server\bin\memcached.exe(phosphor::tools::FileStopCallback::`default constructor closure'+539025) [0x00007FF73DEC36E1]

memcached.log.000010.txt:2021-03-18T01:25:46.489458-07:00 CRITICAL     #2  C:\Windows\System32\KERNEL32.DLL(BaseThreadInitThunk+20) [0x00007FF8E92884D4]

memcached.log.000010.txt:2021-03-18T01:25:46.490130-07:00 CRITICAL     #3  C:\Windows\SYSTEM32\ntdll.dll(RtlUserThreadStart+33) [0x00007FF8EAF5E8B1]

C:\Program Files\Couchbase\Server\var\lib\couchbase\logs>