Sapanasansar did not mentioned if he had received 1042 S or paper that should  given to alien who had earned. In that case if you file as a us citizens or residents, IRS will nab you.

Your interest income has to report on tax filing. Do not be happy with not filing taxes. If you want to apply for green card you may need it in some point. It is better to be be in safe side filing taxes, you may able to get little refund.