Indexer crashing under load

Build 1924

Getting constant errors in the logs:
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=0xc82822f7a8 sp=0xc82822f7a0
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] 2016/04/01 18:04:05 /opt/couchbase/bin/indexer terminated: signal: aborted ns_log 000 ns_1@ec2-54-219-58-193.us-west-1.compute.amazonaws.com 6:04:05 PM Fri Apr 1, 2016
Service 'indexer' exited with status 1. Restarting. Messages: gs 0x0

[goport] 2016/04/01 18:03:57 /opt/couchbase/bin/indexer terminated: signal: quit

Full Logs are here:
https://s3.amazonaws.com/cb-engineering/perry/indexercrash/collectinfo-2016-04-01T175734-ns_1%40ec2-54-215-123-219.us-west-1.compute.amazonaws.com.zip
https://s3.amazonaws.com/cb-engineering/perry/indexercrash/collectinfo-2016-04-01T175734-ns_1%40ec2-54-219-195-14.us-west-1.compute.amazonaws.com.zip
https://s3.amazonaws.com/cb-engineering/perry/indexercrash/collectinfo-2016-04-01T175734-ns_1%40ec2-54-219-197-161.us-west-1.compute.amazonaws.com.zip
https://s3.amazonaws.com/cb-engineering/perry/indexercrash/collectinfo-2016-04-01T175734-ns_1%40ec2-54-219-255-167.us-west-1.compute.amazonaws.com.zip
https://s3.amazonaws.com/cb-engineering/perry/indexercrash/collectinfo-2016-04-01T175734-ns_1%40ec2-54-219-58-193.us-west-1.compute.amazonaws.com.zip