ddoc creation failures are seen on nonroot couchbase cluster

./testrunner -i /tmp/win10_bucket_ops_ini_non_root.ini -p bucket_storage=couchstore,get-cbcollect-info=True,nodes_init=4 -t failover.failovertests.FailoverTests.test_failover_stop_server,replicas=1,graceful=False,num_failed_nodes=1,numViews=1,withViewsOps=True,createIndexesDuringFailover=True,items=10000,failoverMaster=True,bucket_storage=couchstore

{"error":"{bad_return_value,\n    {undef,\n        [{snappy,compress,\n             [[1,\n               [<<1,80,0,0,27>>,\n                <<\"_design/dev_dev_ddoc1\">>,\n                <<0,0,0,0,0,1,0,0,0,95,0,0,0,0,4,150,0,0,0,0,0,1,0,7,118,\n                  141,24>>]]],\n             []},\n         {couch_compress,compress,1,\n             [{file,\n                  \"/home/couchbase/jenkins/workspace/couchbase-server-unix/couchdb/src/couchdb/couch_compress.erl\"},\n              {line,20}]},\n         {couch_btree,'-write_node/3-lc$^0/1-0-',5,\n             [{file,\n                  \"/home/couchbase/jenkins/workspace/couchbase-server-unix/couchdb/src/couchdb/couch_btree.erl\"},\n              {line,514}]},\n         {couch_btree,write_node,3,\n             [{file,\n                  \"/home/couchbase/jenkins/workspace/couchbase-server-unix/couchdb/src/couchdb/couch_btree.erl\"},\n              {line,525}]},\n         {couch_btree,modify_node,8,\n             [{file,\n                  \"/home/couchbase/jenkins/workspace/couchbase-server-unix/couchdb/src/couchdb/couch_btree.erl\"},\n              {line,418}]},\n         {couch_btree,query_modify_raw,2,\n             [{file,\n                  \"/home/couchbase/jenkins/workspace/couchbase-server-unix/couchdb/src/couchdb/couch_btree.erl\"},\n              {line,261}]},\n         {couch_db_updater,update_docs_int,4,\n             [{file,\n                  \"/home/couchbase/jenkins/workspace/couchbase-server-unix/couchdb/src/couchdb/couch_db_updater.erl\"},\n              {line,601}]},\n         {couch_db_updater,handle_info,2,\n             [{file,\n                  \"/home/couchbase/jenkins/workspace/couchbase-server-unix/couchdb/src/couchdb/couch_db_updater.erl\"},\n              {line,317}]}]}}","reason":"{gen_server,call,\n            ['capi_ddoc_manager-travel-sample',\n             {interactive_update,{doc,<<\"_design/dev_dev_ddoc1\">>,\n                                      {0,<<>>},\n                                      <<\"{\\\"views\\\":{\\\"default_view1\\\":{\\\"map\\\":\\\"function (doc, meta) {\\\\n  emit(meta.id, null);\\\\n}\\\"}}}\">>,\n                                      0,false,[]}},\n             infinity]}"}