That's a lot of jumping to conclusions. A simple "Hey guys, the server seems to be down, not sure if you're aware. Can you let me know when it's back up so I can submit my request, as intended?"
Shows understanding, shows willingness to reach out and solve problems, shows ability to delegate responsibility.
My approach is merely a reverse take on "it is better to pass up a good candidate than to hire a bad one" that most companies seem to utilize. I'd rather refrain from continuing the interview (even if the company wouldn't end up being that bad) than wasting several months in a bad place.
Shows understanding, shows willingness to reach out and solve problems, shows ability to delegate responsibility.