Seen on Twitter:
So no one seemed willing to trade something for Carrera. Ezequiel takes Ender* Inciarte's spot on Philadelphia's 25-man/40-man roster, and will likely fill the same role as Inciarte; backup outfielder and pinch runner.
The Indians had just a couple more days to get Carrera through waivers, and waited until the rosters on other clubs were set. But Philadelphia saw in Carrera a marginal upgrade, and jumped on it.
*Yes, his first name is Ender. As in Ender's Game.