[Windows]: Eventing-consumer crash during rebalance

./testrunner -i b/temp_centos7.ini  -t eventing.eventing_recovery.EventingRecovery.test_network_partitioning_eventing_node_when_its_processing_mutations,nodes_init=4,services_init=kv-eventing-index-n1ql,dataset=default,groups=simple,reset_services=True,skip_cleanup=True,doc-per-day=2,handler_code=bucket_op_with_timers

2018-02-08T22:14:17.607-08:00 [Error] CRHM[Function_799575798_test_network_partitioning_eventing_node_when_its_processing_mutations:worker_Function_799575798_test_network_partitioning_eventing_node_when_its_processing_mutations_2:46050:3438] readMessageLoop recover, <ud>runtime error: index out of range</ud> stack trace: goroutine 2392 [running]:

runtime/debug.Stack(0xc420ede540, 0xbff280, 0xc4200180b0)

        /home/couchbase/.cbdepscache/exploded/x86_64/go-1.7.6/go/src/runtime/debug/stack.go:24 +0x79

github.com/couchbase/eventing/consumer.(*Consumer).readMessageLoop.func1(0xc420baf000)

        /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/eventing/consumer/handle_messages.go:563 +0x6e

panic(0xbff280, 0xc4200180b0)

        /home/couchbase/.cbdepscache/exploded/x86_64/go-1.7.6/go/src/runtime/panic.go:458 +0x243

github.com/google/flatbuffers/go.(*Table).Offset(0xc420ede698, 0x4, 0x0)

        /home/couchbase/jenkins/workspace/couchbase-server-unix/godeps/src/github.com/google/flatbuffers/go/table.go:15 +0x11b

github.com/couchbase/eventing/gen/flatbuf/response.(*Response).MsgType(0xc42003fe88, 0xc420ede6b8)

        /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/eventing/gen/flatbuf/response/Response.go:26 +0x38

github.com/couchbase/eventing/consumer.(*Consumer).parseWorkerResponse(0xc420baf000, 0xc42006d404, 0x38, 0x19d4)

        /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/eventing/consumer/protocol.go:329 +0x100

github.com/couchbase/eventing/consumer.(*Consumer).readMessageLoop(0xc420baf000)

        /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/eventing/consumer/handle_messages.go:602 +0x29c

created by github.com/couchbase/eventing/consumer.(*Consumer).SetConnHandle

        /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/eventing/consumer/exported_functions.go:104 +0x2f3