Indexer crash after creating 2nd secondary index

In the UI log messages:
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=0xc8230c9f90 sp=0xc8230c9f88
created by github.com/couchbase/indexing/secondary/dataport.NewServer
/home/couchbase/jenkins/workspace/watson-unix/goproj/src/github.com/couchbase/indexing/secondary/dataport/server.go:174 +0x98b
[goport] 2016/05/23 13:23:36 /opt/couchbase/bin/indexer terminated: signal: aborted

Logs are here:
https://s3.amazonaws.com/cb-engineering/perry/indexercrash/collectinfo-2016-05-23T153245-ns_1%40ec2-52-12-190-73.us-west-2.compute.amazonaws.com.zip
https://s3.amazonaws.com/cb-engineering/perry/indexercrash/collectinfo-2016-05-23T153245-ns_1%40ec2-52-12-80-164.us-west-2.compute.amazonaws.com.zip
https://s3.amazonaws.com/cb-engineering/perry/indexercrash/collectinfo-2016-05-23T153245-ns_1%40ec2-52-13-107-110.us-west-2.compute.amazonaws.com.zip
https://s3.amazonaws.com/cb-engineering/perry/indexercrash/collectinfo-2016-05-23T153245-ns_1%40ec2-54-184-104-144.us-west-2.compute.amazonaws.com.zip
https://s3.amazonaws.com/cb-engineering/perry/indexercrash/collectinfo-2016-05-23T153245-ns_1%40ec2-54-184-98-21.us-west-2.compute.amazonaws.com.zip
https://s3.amazonaws.com/cb-engineering/perry/indexercrash/collectinfo-2016-05-23T153245-ns_1%40ec2-54-203-137-216.us-west-2.compute.amazonaws.com.zip
https://s3.amazonaws.com/cb-engineering/perry/indexercrash/indexercrash.zip (this is the node that produced the above crash)