Dude get used to that stuff happening ALL THE TIME.
The paint on Subarus is the stuff of legend....and not in a good way.
Go fast no one will see it
Seriously this is the first in a long line of scrapes, chips etc to come.
Good luck I know I cant get too upset over scrapes, scratches,,,it happens and will happen in the future no matter what precautions you take.
Hope it works out.