Panics when connecting to memcached bucket

panic: runtime error: integer divide by zero
[signal 0x8 code=0x7 addr=0xe1a01 pc=0xe1a01]

goroutine 28 [running]:
github.com/couchbaselabs/gocb/gocbcore.(*Agent).routeRequest(0xc208040910, 0xc20805c750, 0xc2080a4550)
/Users/subhashni/sources/sdkd-go/sdkd-go/src/github.com/couchbaselabs/gocb/gocbcore/agentrouting.go:283 +0x111
github.com/couchbaselabs/gocb/gocbcore.(*Agent).dispatchDirect(0xc208040910, 0xc20805c750, 0x0, 0x0)
/Users/subhashni/sources/sdkd-go/sdkd-go/src/github.com/couchbaselabs/gocb/gocbcore/agentrouting.go:294 +0x44
github.com/couchbaselabs/gocb/gocbcore.(*Agent).dispatchOp(0xc208040910, 0xc20805c750, 0x0, 0x0, 0x0, 0x0)
/Users/subhashni/sources/sdkd-go/sdkd-go/src/github.com/couchbaselabs/gocb/gocbcore/agentops.go:12 +0x56
github.com/couchbaselabs/gocb/gocbcore.(*Agent).store(0xc208040910, 0x1, 0xc2080a6360, 0x21, 0x30, 0xc20805c6c0, 0x83, 0x90, 0xc204000000, 0x0, ...)
/Users/subhashni/sources/sdkd-go/sdkd-go/src/github.com/couchbaselabs/gocb/gocbcore/agentops.go:215 +0x336
github.com/couchbaselabs/gocb/gocbcore.(*Agent).Set(0xc208040910, 0xc2080a6360, 0x21, 0x30, 0xc20805c6c0, 0x83, 0x90, 0x4000000, 0xc2080a26c0, 0x0, ...)
/Users/subhashni/sources/sdkd-go/sdkd-go/src/github.com/couchbaselabs/gocb/gocbcore/agentops.go:223 +0xdd
github.com/couchbaselabs/gocb.func·013(0xc2080a26c0, 0x0, 0x0, 0x0, 0x0)
/Users/subhashni/sources/sdkd-go/sdkd-go/src/github.com/couchbaselabs/gocb/bucket.go:180 +0xee
github.com/couchbaselabs/gocb.(*Bucket).hlpCasExec(0xc2080a6030, 0xc2080799c8, 0x0, 0x0, 0x0)
/Users/subhashni/sources/sdkd-go/sdkd-go/src/github.com/couchbaselabs/gocb/bucket.go:77 +0x175
github.com/couchbaselabs/gocb.(*Bucket).Upsert(0xc2080a6030, 0xc2080a6330, 0x21, 0x2687e0, 0xc2080a4520, 0xc200000000, 0xc208079a68, 0x0, 0x0)
/Users/subhashni/sources/sdkd-go/sdkd-go/src/github.com/couchbaselabs/gocb/bucket.go:182 +0x133