uneeq -It wouldn’t be a problem even if it wasn’t cooked at all. There is a Rishon that holds -A goy cooking in a Jew’s house there is no problem of Bishul A’cum. So B’dieved in such a case you can be Someiach on this Shitta!
There also isn’t a problem of Ameiras L’acum because Cholent is the main course. So to have a Cholent on Shabbos in a crock pot (where cooking is only M’drabbonon because of electricity) would be a Tzorech Godol -where Ameira L’acum is Mutter by an Issur D’rabbonon.