parse "gopher://null.host:0/o P\xe6RR{R\xd7XramJ\xc4\xc1GD]\x9c\x13\x8c\x83\xa0\xb9\xaf\x0e5\x1c\xa27\x03Qt\x84U\x87\xcfq\x17\xb0\xcc\x0eRF\x06|\x06\xd3": net/url: invalid control character in URL