parse "gopher://null.host:0/HP\xe4\xc1E^*Z\xf5/\xcf\xe3\x81P4\x86 (ISh8pp\xe6\xea?ΦΌ~\x1f?c\x98a\xe7S\xbb\xef\x9epHtT\xecn\xa2R)Wz\x1b\xa2\xe7\xa0\xd0\x15EU\xa5\xfcv": net/url: invalid control character in URL