Is Jyn Erso Doomed to Become Captain Phasma? The Next Big Star Wars Theory

According to the first words in the teaser trailer, she's being charged for the "forgery of imperial documents, possession of stolen property, aggravated assault, [and] resisting arrest." She seems like the kind of woman who might do whatever it takes to get ahead. What would she do if the Galactic Empire offered her a high position in their ranks? What if the rebellion betrayed her in some way?