Build 3570: Index is stuck when indexer process was killed during index build

Run: http://qa.sc.couchbase.com/job/cen006-2i-vset03-03-recoverytests-add-index/101/consoleFull

test_23 is failing:-
services_init=n1ql:kv-kv-kv-index-index,nodes_init=5,nodes_out=2,nodes_out_dist=index:2,targetProcess=indexer

Steps:
1. Create 3 buckets: default, bucket0, standardBucket0; Load 100800 docs in each bucket
2. Create and build 9 indexes in all 3 buckets (index_name_1 to index_name_9)
3. Create 2 more indexes job_title and join_yr on each bucket in deferred mode
4. Build above indexes created in #3
5. While build of these 6 indexes is in progress, kill indexer process both the indexer nodes (node 144 and node 145)
It is observed that index employee35c3411c0e454812bbdf63226e2565e4join_yr does not come online in 10 minutes.

Cluster:

[SERVER_1]
ip:172.23.121.141
services=n1ql,kv

[SERVER_2]
ip:172.23.121.142
services=kv

[SERVER_3]
ip:172.23.121.143
services=kv

[SERVER_4]
ip:172.23.121.144
services=index

[SERVER_5]
ip:172.23.121.145
services=index

Logs: http://qa.sc.couchbase.com/job/cen006-2i-vset03-03-recoverytests-add-index/ws/logs/testrunner-15-Jul-30_01-59-06/test_23/*zip*/test_23.zip