Multiple indexer crashes seen with build 2428

Service 'indexer' exited with status 1. Restarting. Messages: runtime.goexit()

	/home/couchbase/.cbdepscache/exploded/x86_64/go-1.6/go/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc867fbcf48 sp=0xc867fbcf40

created by github.com/couchbase/indexing/secondary/indexer.(*storageMgr).createSnapshotWorker

	/home/couchbase/jenkins/workspace/watson-unix/goproj/src/github.com/couchbase/indexing/secondary/indexer/storage_manager.go:387 +0x229

[goport] 2016/05/01 12:34:54 /opt/couchbase/bin/indexer terminated: signal: aborted (core dumped)

Service 'indexer' exited with status 1. Restarting. Messages: runtime.goexit()

	/home/couchbase/.cbdepscache/exploded/x86_64/go-1.6/go/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc890b49fa8 sp=0xc890b49fa0

created by github.com/couchbase/indexing/secondary/indexer.(*atomicMutationQueue).DequeueUptoSeqno

	/home/couchbase/jenkins/workspace/watson-unix/goproj/src/github.com/couchbase/indexing/secondary/indexer/mutation_queue_atomic.go:169 +0x84

[goport] 2016/05/01 12:29:02 /opt/couchbase/bin/indexer terminated: signal: aborted (core dumped)