Checking core structure...
compile_project:10: no matches found: *.in
rm -f poof-core.jar `find . -name \*.class`
(cd src; javac -encoding UTF-8 `find . -name \*.java`)
./poof/FileSystem.java:43: error: cannot find symbol
  public void login(String username) throws CoreUserUnknownException{
                                            ^
  symbol:   class CoreUserUnknownException
  location: class FileSystem
./poof/FileSystem.java:51: error: cannot find symbol
      throw new CoreUserUnknownException();
                ^
  symbol:   class CoreUserUnknownException
  location: class FileSystem
./poof/File.java:12: error: no suitable constructor found for Entry()
    super();
    ^
    constructor Entry.Entry(String) is not applicable
      (actual and formal argument lists differ in length)
    constructor Entry.Entry(User,String) is not applicable
      (actual and formal argument lists differ in length)
3 errors
make: *** [all] Error 1