This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
There is no default target in ant and you have not specified one in the <project> statement, so if you do not specify a target on the command line then ant will do nothing. And as it reported, is was successful at doing nothing.