You just need a razor blade or exacto knife for that vinyl you bought. Routers with trim bits are for laminate like countertops. Totally different materials.
+1 It looks like you picked up vinyl. Nothing wrong with that, it's just not as hard or tough as actual laminate. The difference is that laminate typically comes in sheets (or VERY stiff rolls), whereas vinyl is really flexible.
That's a nice router btw.
Chalk it up as a misfire, tear the vinyl off and then either.
1) pick up some more vinyl, apply, squeegee the bubbles out and trim with a sharp knife.
or
2) pick up some black laminate (formica, etc), glue it down with some overlap, and use your router/trim bit on it.
it looks back but it's definitely not the end of the world