$ youtube-dl --verbose "https://soundcloud.com/lorn"
[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['--verbose', 'https://soundcloud.com/lorn']
WARNING: Assuming --restrict-filenames since file system encoding cannot encode all characters. Set the LC_ALL environment variable to fix this.
[debug] Encodings: locale ANSI_X3.4-1968, fs ascii, out ANSI_X3.4-1968, pref ANSI_X3.4-1968
[debug] youtube-dl version 2015.08.28
[debug] Python version 3.4.3 - Linux-4.1.6-1-ARCH-x86_64-with-arch
[debug] exe versions: ffmpeg 2.8, ffprobe 2.8, rtmpdump 2.4
[debug] Proxy map: {}
[soundcloud:user] lorn: Downloading user info
ERROR: Unable to download JSON metadata: HTTP Error 401: Unauthorized (caused by HTTPError()); please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see https://yt-dl.org/update on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
File "/usr/lib/python3.4/site-packages/youtube_dl/extractor/common.py", line 326, in _request_webpage
return self._downloader.urlopen(url_or_request)
File "/usr/lib/python3.4/site-packages/youtube_dl/YoutubeDL.py", line 1860, in urlopen
return self._opener.open(req, timeout=self._socket_timeout)
File "/usr/lib/python3.4/urllib/request.py", line 469, in open
response = meth(req, response)
File "/usr/lib/python3.4/urllib/request.py", line 579, in http_response
'http', request, response, code, msg, hdrs)
File "/usr/lib/python3.4/urllib/request.py", line 507, in error
return self._call_chain(*args)
File "/usr/lib/python3.4/urllib/request.py", line 441, in _call_chain
result = func(*args)
File "/usr/lib/python3.4/urllib/request.py", line 587, in http_error_default
raise HTTPError(req.full_url, code, msg, hdrs, fp)