It accepts the password and prints "Well done" message. Sounds like a solution to me.
If the goal was to find any other message, you should have specified that in the crackme description.
EDIT: I'm not aware of any specific attack to the hash you're using. So, it boils down to bruteforcing a specific 64bit hash value which is considered out-of-reach for desktop computers. Or am I missing something else?