parse "gopher://6\xbb\x02\xe0\xb1\xdbYn\x9f\xf3\x8d<\xcf\f(3`/\x03\xff\xae\x81\xea\xb1\x01\xf0{\x1e\xfb\xb8\xc1\xb1_\xbdP\x86\xb9\xb1\xaf\xe0H\xa0J\xc8*\x03\xde\\\x01p\xea~n\xea\xfe\xbd<": net/url: invalid control character in URL