How is Assange attempting to crack a password locally not an act in furtherance of the conspiracy? Attempting to drive a getaway car that breaks down is still

How is Assange attempting to crack a password locally not an act in furtherance of the conspiracy? Attempting to drive a getaway car that breaks down is still an act even if it failed. That is what is being alleged and the chat logs seem to support it. It might come out at trial that he didn't actually do it, of course, but that's what the trial is for.