goxdcr panic: invalid memory address during XmemNozzle errors

XmemNozzle 2016-04-05T07:14:30.941-07:00 [ERROR] xmem_2ed24dff24ce125d7ad0ca73be253600/default/remote_172.23.99.46:11210_1 Received recoverable error

 in response. Response status=TMPFAIL, err = <nil>, response=[129 168 0 0 0 0 0 134 0 0 0 0 0 131 1 52 0 0 0 0 0 0 0 0]

XmemNozzle 2016-04-05T07:14:30.941-07:00 [ERROR] xmem_2ed24dff24ce125d7ad0ca73be253600/default/remote_172.23.99.46:11210_1 Received recoverable error

 in response. Response status=TMPFAIL, err = <nil>, response=[129 168 0 0 0 0 0 134 0 0 0 0 0 131 1 53 0 0 0 0 0 0 0 0]

panic: runtime error: invalid memory address or nil pointer dereference

[signal 0xb code=0x1 addr=0x68 pc=0x649ec7]

goroutine 16050826 [running]:

github.com/couchbase/goxdcr/pipeline_manager.NewMCRequestObj(0xc22c7976b0, 0x2f, 0x10)

        /home/couchbase/jenkins/workspace/sherlock-unix/goproj/src/github.com/couchbase/goxdcr/pipeline_manager/pipeline_manager.go:90 +0x37

github.com/couchbase/goxdcr/parts.(*Router).newWrappedMCRequest(0xc210d7def0, 0xc2090fa5b0)

        /home/couchbase/jenkins/workspace/sherlock-unix/goproj/src/github.com/couchbase/goxdcr/parts/router.go:185 +0x45

github.com/couchbase/goxdcr/parts.(*Router).ComposeMCRequest(0xc210d7def0, 0xc23610e0b0, 0x12)

        /home/couchbase/jenkins/workspace/sherlock-unix/goproj/src/github.com/couchbase/goxdcr/parts/router.go:82 +0x33

github.com/couchbase/goxdcr/parts.(*Router).route(0xc210d7def0, 0x8fe220, 0xc23610e0b0, 0xc212758380, 0x0, 0x0)

        /home/couchbase/jenkins/workspace/sherlock-unix/goproj/src/github.com/couchbase/goxdcr/parts/router.go:150 +0x924

github.com/couchbase/goxdcr/parts.*Router.(github.com/couchbase/goxdcr/parts.route)·fm(0x8fe220, 0xc23610e0b0, 0xc207d42ed5, 0x0, 0x0)

        /home/couchbase/jenkins/workspace/sherlock-unix/goproj/src/github.com/couchbase/goxdcr/parts/router.go:69 +0x4d

github.com/couchbase/goxdcr/connector.(*Router).Forward(0xc2090f9350, 0x8fe220, 0xc23610e0b0, 0x0, 0x0)

        /home/couchbase/jenkins/workspace/sherlock-unix/goproj/src/github.com/couchbase/goxdcr/connector/router.go:57 +0xe9

github.com/couchbase/goxdcr/parts.(*DcpNozzle).processData(0xc22a777c80, 0x0, 0x0)

        /home/couchbase/jenkins/workspace/sherlock-unix/goproj/src/github.com/couchbase/goxdcr/parts/dcp_nozzle.go:442 +0x1d45

created by github.com/couchbase/goxdcr/parts.(*DcpNozzle).Start

        /home/couchbase/jenkins/workspace/sherlock-unix/goproj/src/github.com/couchbase/goxdcr/parts/dcp_nozzle.go:258 +0x66a