What federal warrant was there? I don't see any mention of one but the best that ICE could issue is not a judicial warrant and does not meet most of the requirements under the 4th amendment for detainment of a person.
Generally state and local law enforcement and courts have no legal requirement to enforce most federal arrest warrants. This is due to our dual sovereignty system. Of course they also can't actively interfere with federal law enforcement or lie to federal officers, but it doesn't seem like that's what happened in this incident.