[Screencast] Cannot find video

[sheerluck]

• I've verified and I assure that I'm running youtube-dl 2018.10.05
• At least skimmed through the README, most notably the FAQ and BUGS sections
• Searched the bugtracker for similar issues including closed ones
• Checked that provided video/audio/playlist URLs (if any) are alive and playable in a browser

What is the purpose of your issue?

• Bug report (encountered problems with youtube-dl)

$ youtube-dl --verbose http://www.screencast.com/t/lgR6lMhWK
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['--verbose', 'http://www.screencast.com/t/lgR6lMhWK']
[debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2018.10.05
[debug] Python version 3.6.6 (CPython) - Linux-4.19.0-gentoo-x86_64-Intel-R-_Core-TM-_i7-6700K_CPU_@_4.00GHz-with-gentoo-2.4.1
[debug] exe versions: ffmpeg 3.4.4, ffprobe 3.4.4
[debug] Proxy map: {}
[Screencast] lgR6lMhWK: Downloading webpage
ERROR: Cannot find video;
Traceback (most recent call last):
  File "/usr/lib64/python3.6/site-packages/youtube_dl/YoutubeDL.py", line 792, in extract_info
    ie_result = ie.extract(url)
  File "/usr/lib64/python3.6/site-packages/youtube_dl/extractor/common.py", line 507, in extract
    ie_result = self._real_extract(url)
  File "/usr/lib64/python3.6/site-packages/youtube_dl/extractor/screencast.py", line 94, in _real_extract
    raise ExtractorError('Cannot find video')
youtube_dl.utils.ExtractorError: Cannot find video;