When signing up, in email confirming phase, I faced a permission problem which is when I trying to change my email address, (I wrote the wrong address at first) permission for email update is denied several times so I signed up again by another email address from the very first phase of sign up.
I think you are having trouble with rust the game (https://rust.facepunch.com/). This is a forum for rust the programming language (https://rust-lang.org). Please post your question on the appropriate place for rust the game.