If by doing so you violate copyright law by using someone else's code in a way disallowed by the license under which you got access to the code in the first pla

If by doing so you violate copyright law by using someone else's code in a way disallowed by the license under which you got access to the code in the first place, then yes. (I'm not well enough versed in this particular debate to weigh in, but there is an answer to that question, in general, and it hinges on specific details of one's implementation of "creating something.")