Scared about the future

So I just started community college a couple of days ago and have come to the conclusion that I don't even know if I should be there. I only really am going because my high school kept saying that you should go to college after you're done with high school, so I signed up to do the basics. I still have no clue what I actually should do with my life and wonder if maybe this was a mistake. It doesn't help any that I'm scared about the possibility of failing and the money and time would all just be a waste. I wish I knew what the hell to do. I think I might go through this semester no matter what grades I get, but after that I don't know if I'll go back for another semester. I keep hearing about other people at the school through over heard conversations saying they know exactly what they want to do and wish I was like them.