_create_record

# File activerecord/lib/active_record/associations/singular_association.rb, line 50
        def _create_record(attributes, raise_error = false, &block)
          record = build_record(attributes, &block)
          saved = record.save
          set_new_record(record)
          raise RecordInvalid.new(record) if !saved && raise_error
          record
        end