[Sytem Test]: runtime error: slice bounds out of range stack trace

[worker_timer_op_0:/tmp/127.0.0.1:8091_0_355489654.sock:21786] readMessageLoop recover, runtime error: slice bounds out of range stack trace: goroutine 2966991 [running]:runtime/debug.Stack(0xc42f3bfd28, 0x12a24e0, 0x1d11270) /home/couchbase/.cbdepscache/exploded/x86_64/go-1.10.3/go/src/runtime/debug/stack.go:24 +0xa7github.com/couchbase/eventing/consumer.(*Consumer).readMessageLoop.func1(0x140f0b1, 0x19, 0xc433aea000) /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/eventing/consumer/handle_messages.go:784 +0x6epanic(0x12a24e0, 0x1d11270) /home/couchbase/.cbdepscache/exploded/x86_64/go-1.10.3/go/src/runtime/panic.go:502 +0x229github.com/google/flatbuffers/go.(*Table).GetSOffsetT(...) /home/couchbase/jenkins/workspace/couchbase-server-unix/godeps/src/github.com/google/flatbuffers/go/table.go:139github.com/google/flatbuffers/go.(*Table).Offset(0xc42f3bfe88, 0x4, 0xdc) /home/couchbase/jenkins/workspace/couchbase-server-unix/godeps/src/github.com/google/flatbuffers/go/table.go:15 +0x134github.com/couchbase/eventing/gen/flatbuf/response.(*Response).MsgType(0xc42f3bfe88, 0xa26fac) /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/eventing/gen/flatbuf/response/Response.go:30 +0x38github.com/couchbase/eventing/consumer.(*Consumer).parseWorkerResponse(0xc433aea000, 0xc432591004, 0x10, 0xffc) /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/eventing/consumer/protocol.go:383 +0x8agithub.com/couchbase/eventing/consumer.(*Consumer).readMessageLoop(0xc433aea000) /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/eventing/consumer/handle_messages.go:820 +0x1c7created 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:282 +0x3322019-12-07T02:41:19.048-08:00 [Error] Consumer::readMessageLoop [worker_timer_op_0:/tmp/127.0.0.1:8091_0_355489654.sock:21786] readMessageLoop recover, runtime error: slice bounds out of range stack trace: goroutine 2967221 [running]:runtime/debug.Stack(0xc42af77d28, 0x12a24e0, 0x1d11270) /home/couchbase/.cbdepscache/exploded/x86_64/go-1.10.3/go/src/runtime/debug/stack.go:24 +0xa7github.com/couchbase/eventing/consumer.(*Consumer).readMessageLoop.func1(0x140f0b1, 0x19, 0xc433aea000) /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/eventing/consumer/handle_messages.go:784 +0x6epanic(0x12a24e0, 0x1d11270) /home/couchbase/.cbdepscache/exploded/x86_64/go-1.10.3/go/src/runtime/panic.go:502 +0x229github.com/google/flatbuffers/go.(*Table).GetVOffsetT(...) /home/couchbase/jenkins/workspace/couchbase-server-unix/godeps/src/github.com/google/flatbuffers/go/table.go:134github.com/google/flatbuffers/go.(*Table).Offset(0xc42af77e88, 0x4, 0xdc) /home/couchbase/jenkins/workspace/couchbase-server-unix/godeps/src/github.com/google/flatbuffers/go/table.go:16 +0x111github.com/couchbase/eventing/gen/flatbuf/response.(*Response).MsgType(0xc42af77e88, 0xa26fac) /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/eventing/gen/flatbuf/response/Response.go:30 +0x38github.com/couchbase/eventing/consumer.(*Consumer).parseWorkerResponse(0xc433aea000, 0xc425ef0004, 0x28, 0x7b4) /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/eventing/consumer/protocol.go:383 +0x8agithub.com/couchbase/eventing/consumer.(*Consumer).readMessageLoop(0xc433aea000) /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/eventing/consumer/handle_messages.go:820 +0x1c7created 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:282 +0x3322019-12-07T02:41:19.049-08:00 [Info] Consumer::processReqStreamMessages [worker_bucket_op_curl_0:/tmp/127.0.0.1:8091_0_42136478.sock:12547] vb: 768 reqStreamCh size: 28 msg: