[GSI][QUERY] panic=runtime error: index out of range seen in query log

Testrunner Logs: http://qa.sc.couchbase.com/job/cen006-2i-vset07-02-memdb-oom/139/consoleFull

Testrunner Command:
./testrunner -i /tmp/centos_upgrade2i.ini get-cbcollect-info=True -t 2i.memdb_oom_2i.SecondaryIndexMemdbOomTests.test_oom_flush_bucket,gsi_type=memory_optimized,nodes_init=4,services_init=kv:n1ql-kv-index-index,doc_ops=True,standard_buckets=2,default_buckets=1,initial_index_number=4,scan_consistency=request_plus

Error:
CBQError: host 172.23.105.193: ERROR:{u'status': u'stopped', u'errors': [

{u'msg': u'Panic: runtime error: index out of range - cause: runtime error: index out of range', u'code': 5001}

], u'results': [], u'metrics':

{u'elapsedTime': u'22.459215ms', u'executionTime': u'22.380955ms', u'resultSize': 0, u'resultCount': 0, u'errorCount': 1}

, u'requestID': u'28d1b0f0-6096-43ed-bdfc-e938acf38e21', u'signature': {u'job_title': u'json'}}

Log Location:
https://s3.amazonaws.com/bugdb/jira/mb-20077/collectinfo-2016-07-05T091654-ns_1%40172.23.123.29.zip
https://s3.amazonaws.com/bugdb/jira/mb-20077/collectinfo-2016-07-05T091654-ns_1%40172.23.123.30.zip
https://s3.amazonaws.com/bugdb/jira/mb-20077/collectinfo-2016-07-05T091654-ns_1%40172.23.123.31.zip
https://s3.amazonaws.com/bugdb/jira/mb-20077/collectinfo-2016-07-05T091654-ns_1%40172.23.123.32.zip