Reset the engines array after turning them into a hash, otherwise the same object is used if a builder is reused to build a collection.
Reset the engines array after turning them into a hash, otherwise the same object is used if a builder is reused to build a collection.

zoyi/rabl,infertux/rabl,zoyi/rabl,Jyaasa/rabl,sideci-sample/sideci-sample-rabl,Jyaasa/rabl,nesquena/rabl,Jyaasa/rabl,nesquena/rabl,infertux/rabl,infertux/rabl,nesquena/rabl,zoyi/rabl,sideci-sample/sideci-sample-rabl