fix: Miscellaneous fixes

src/service/users/remote.rs

@@ -5,7 +5,7 @@ use ruma::{OwnedUserId, UserId};
 impl super::Service {
 	/// Record the existence of a remote user.
 	pub fn record_remote_user(&self, user_id: &UserId) {
-		assert!(self.services.globals.user_is_local(user_id), "user is not remote");
+		assert!(!self.services.globals.user_is_local(user_id), "user is not remote");
 
 		self.db.remoteuserid_remoteuser.insert(user_id, "");
 	}