CC Build 3739 cbdocloader erroring with travel-sample

7.0 Build 3739

Loading the travel-sample using cbdocloader from the CLI is erroring because of missing scopes and the documents are getting loaded into the default scope/collection with a strange key prefix. 

_default._default.airline_10748
_default._default.airline_10765
_default._default.airline_109
...

Steps: 

/opt/couchbase/bin/cbdocloader -c couchbase://localhost -u Administrator -p xxxxx -b travel-sample -m 100 -d /opt/couchbase/samples/travel-sample.zip -t 4 -v

Creating `travel-sample` bucket
Bucket `travel-sample` created
Reading index definitions from travel-sample/design_docs/indexes.json
ERRO: [12021] Scope not found in CB datastore default:travel-sample.inventory – docloader.(*jsonSampleImporter).Queries() at sample_importer.go:210
ERRO: [12021] Scope not found in CB datastore default:travel-sample.inventory – docloader.(*jsonSampleImporter).Queries() at sample_importer.go:210
ERRO: [12021] Scope not found in CB datastore default:travel-sample.inventory – docloader.(*jsonSampleImporter).Queries() at sample_importer.go:210
.....
Loading data into the travel-sample bucket
Loaded 63182 items into the travel-sample bucket
Errors occurred during the index creation phase. See logs for details.