    # File lib/rbot/botuser.rb, line 808
          def create_transient_botuser(user)
            ircuser = user.to_irc_user
            bu = everyone
            begin
              bu = BotUser.new(ircuser, :transient => true, :masks => ircuser)
              bu.login(ircuser)
            rescue
              warning "failed to create transient for #{user}"
              error $!
            end
            return bu
          end