panic: runtime error: slice bounds out of range

goroutine 68 [running]:
panic(0xaf0d40, 0xc4200160e0)
        /home/couchbase/.cbdepscache/exploded/x86_64/go-1.7/go/src/runtime/panic.go:500 +0x1a1 fp=0xc42018e700 sp=0xc42018e670
runtime.panicslice()
        /home/couchbase/.cbdepscache/exploded/x86_64/go-1.7/go/src/runtime/panic.go:34 +0x6d fp=0xc42018e730 sp=0xc42018e700
github.com/couchbase/moss.(*Footer).loadSegmentsFromMRef(0xc428f5d4c0, 0xc4200c4c60, 0xc421009020, 0x7f789a10b000, 0x10e0)
        /home/couchbase/jenkins/workspace/couchbase-server-unix/godeps/src/github.com/couchbase/moss/store_footer.go:212 +0x509 fp=0xc42018e820 sp=0xc42018e730
github.com/couchbase/moss.(*Footer).loadSegments(0xc428f5d4c0, 0xc4200c4c60, 0xc42972cf50, 0xb66280, 0xc428f5d4c0)
        /home/couchbase/jenkins/workspace/couchbase-server-unix/godeps/src/github.com/couchbase/moss/store_footer.go:184 +0x205 fp=0xc42018e8b0 sp=0xc42018e820
github.com/couchbase/moss.ScanFooter(0xc4200c4c60, 0x112ac40, 0xc430fa27c0, 0x10e0, 0x0, 0x0, 0x12e07a0)
        /home/couchbase/jenkins/workspace/couchbase-server-unix/godeps/src/github.com/couchbase/moss/store_footer.go:150 +0xba1 fp=0xc42018e9d8 sp=0xc42018e8b0
github.com/couchbase/moss.ReadFooter(0xc4200c4c60, 0x112ac40, 0xc430fa27c0, 0xc429751580, 0x0, 0x0)
        /home/couchbase/jenkins/workspace/couchbase-server-unix/godeps/src/github.com/couchbase/moss/store_footer.go:67 +0x84 fp=0xc42018ea20 sp=0xc42018e9d8
github.com/couchbase/moss.(*Store).compact(0xc431109ea0, 0xc428e25340, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0)
        /home/couchbase/jenkins/workspace/couchbase-server-unix/godeps/src/github.com/couchbase/moss/store_compact.go:216 +0x9f3 fp=0xc42018ecc8 sp=0xc42018ea20
github.com/couchbase/moss.(*Store).compactMaybe(0xc431109ea0, 0x0, 0x0, 0xc4296c9800, 0x1, 0x0, 0x0, 0x0)
        /home/couchbase/jenkins/workspace/couchbase-server-unix/godeps/src/github.com/couchbase/moss/store_compact.go:84 +0x290 fp=0xc42018ed58 sp=0xc42018ecc8
github.com/couchbase/moss.(*Store).Persist(0xc431109ea0, 0x0, 0x0, 0xc42e137d00, 0x1, 0xc431109ea0, 0xc4207534c0, 0xc42018ef50, 0x422448)
        /home/couchbase/jenkins/workspace/couchbase-server-unix/godeps/src/github.com/couchbase/moss/store.go:309 +0x76 fp=0xc42018eee8 sp=0xc42018ed58
github.com/blevesearch/bleve/index/store/moss.InitMossStore.func1(0x0, 0x0, 0x7f789a025308, 0x12e0420, 0x1, 0x0)
        /home/couchbase/jenkins/workspace/couchbase-server-unix/godeps/src/github.com/blevesearch/bleve/index/store/moss/lower.go:464 +0x5f fp=0xc42018ef60 sp=0xc42018eee8
github.com/blevesearch/bleve/index/store/moss.InitMossStore(0xc42f231f50, 0x7f789a025308, 0x12e0420, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
        /home/couchbase/jenkins/workspace/couchbase-server-unix/godeps/src/github.com/blevesearch/bleve/index/store/moss/lower.go:474 +0x601 fp=0xc42018f1c0 sp=0xc42018ef60
github.com/blevesearch/bleve/index/store/moss.initLowerLevelStore(0xc42f231ef0, 0xc42bc62fa0, 0x9, 0xc42f231f50, 0x0, 0x7f789a025308, 0x12e0420, 0x1, 0x0, 0x0, ...)
        /home/couchbase/jenkins/workspace/couchbase-server-unix/godeps/src/github.com/blevesearch/bleve/index/store/moss/lower.go:51 +0x776 fp=0xc42018f390 sp=0xc42018f1c0
github.com/blevesearch/bleve/index/store/moss.New(0x1125960, 0x12e0420, 0xc42f231ef0, 0x4, 0xc420082e58, 0x7f81cc, 0xb90580)
        /home/couchbase/jenkins/workspace/couchbase-server-unix/godeps/src/github.com/blevesearch/bleve/index/store/moss/store.go:143 +0xc46 fp=0xc42018f798 sp=0xc42018f390
github.com/blevesearch/bleve/index/upsidedown.(*UpsideDownCouch).Open(0xc4296c9180, 0x0, 0x0)
        /home/couchbase/jenkins/workspace/couchbase-server-unix/godeps/src/github.com/blevesearch/bleve/index/upsidedown/upsidedown.go:308 +0x102 fp=0xc42018f820 sp=0xc42018f798
github.com/blevesearch/bleve.openIndexUsing(0xc43107ee40, 0x5b, 0x0, 0xc42026b570, 0x0, 0x0)
        /home/couchbase/jenkins/workspace/couchbase-server-unix/godeps/src/github.com/blevesearch/bleve/index_impl.go:168 +0x5f3 fp=0xc42018f9f8 sp=0xc42018f820
github.com/blevesearch/bleve.Open(0xc43107ee40, 0x5b, 0x40, 0xa8de60, 0xc431109950, 0x0)
        /home/couchbase/jenkins/workspace/couchbase-server-unix/godeps/src/github.com/blevesearch/bleve/index.go:232 +0x3e fp=0xc42018fa38 sp=0xc42018f9f8
github.com/couchbase/cbft.OpenBlevePIndexImpl(0xc42bc62d00, 0xe, 0xc43107ee40, 0x5b, 0xc420752520, 0xc432b98701, 0xc42018fb88, 0x648b52, 0xc42df3ed20, 0xc42018fb88, ...)
        /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/cbft/pindex_bleve.go:314 +0x302 fp=0xc42018fb10 sp=0xc42018fa38
github.com/couchbase/cbgt.OpenPIndexImpl(0xc42bc62d00, 0xe, 0xc43107ee40, 0x5b, 0xc420752520, 0x0, 0x0, 0xc4201da1e0, 0xc42952c000, 0x9f, ...)
        /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/cbgt/pindex_impl.go:135 +0x1b1 fp=0xc42018fb98 sp=0xc42018fb10
github.com/couchbase/cbgt.OpenPIndex(0xc420252000, 0xc43107ee40, 0x5b, 0x1, 0x1, 0xc42f231ad0)
        /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/cbgt/pindex.go:169 +0x1fd fp=0xc42018fd28 sp=0xc42018fb98
github.com/couchbase/cbgt.(*Manager).LoadDataDir(0xc420252000, 0x15, 0xbd052c)
        /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/cbgt/manager.go:452 +0x31d fp=0xc42018fe50 sp=0xc42018fd28
github.com/couchbase/cbgt.(*Manager).JanitorLoop(0xc420252000)
        /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/cbgt/manager_janitor.go:99 +0x4a4 fp=0xc42018ff88 sp=0xc42018fe50
runtime.goexit()
        /home/couchbase/.cbdepscache/exploded/x86_64/go-1.7/go/src/runtime/asm_amd64.s:2086 +0x1 fp=0xc42018ff90 sp=0xc42018ff88
created by github.com/couchbase/cbgt.(*Manager).Start
        /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/cbgt/manager.go:239 +0x178