parse "gopher://null.host:0/\u0092\xbb\xd0\v\x93\xc6ɴ\xce^\x11u\xd9t\x87\xab-f\x1c\xb4\x9e\xec\x92=\x83\xb0\x12\xe0\xaf": net/url: invalid control character in URL