parse "gopher://null.host:0/\x06\xa7\v\xff\x10\xe2'\x87\x83\x91o'\xba\x1f<\xc7\x053\x86\a\x1c\x8d\x18\xbf\x04o\xdbC\xd0\xe2DΏ\xaf\xce]-\x16\x8al?\xfa\x93\xf7y\xc0\xbe\xaa": net/url: invalid control character in URL