Fail

[debug] System config: []
[debug] User config: [u'--no-part', u'-f', u'bestvideo+bestaudio/best']
[debug] Custom config: []
[debug] Command-line args: [u'-f', u'313', u'--verbose', u'https://www.youtube.com/watch?v=vcaXm9dgcpI']
[debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2019.05.11
[debug] Python version 2.7.16 (CPython) - Darwin-18.5.0-x86_64-i386-64bit
[debug] exe versions: ffmpeg 4.1.3, ffprobe 4.1.3, rtmpdump 2.4
[debug] Proxy map: {}
[youtube] vcaXm9dgcpI: Downloading webpage
[youtube] vcaXm9dgcpI: Downloading video info webpage
[debug] Invoking downloader on u'https://r4---sn-uxaxpu5ap5-jp5s.googlevideo.com/videoplayback?id=o-AFKgKTgLu_UxEvZz1vjKZOjNe1EkKi-C2JfQXQd9oMvx&aitags=133%2C134%2C135%2C136%2C137%2C160%2C242%2C243%2C244%2C247%2C248%2C271%2C278%2C313%2C394%2C395%2C396%2C397&itag=313&source=youtube&requiressl=yes&mm=31%2C29&mn=sn-uxaxpu5ap5-jp5s%2Csn-nx5cvox-hpae7&ms=au%2Crdu&mv=m&pcm2cms=yes&pl=24&nh=%2CEAE&ei=Bl3bXL67F5CT1wLtx6-QCg&initcwndbps=790000&mime=video%2Fwebm&gir=yes&clen=448300591&dur=403.102&lmt=1557351686431380&mt=1557879949&fvip=8&keepalive=yes&c=WEB&txp=3516222&ip=79.33.222.222&ipbits=0&expire=1557901670&sparams=ip%2Cipbits%2Cexpire%2Cid%2Caitags%2Csource%2Crequiressl%2Cmm%2Cmn%2Cms%2Cmv%2Cpcm2cms%2Cpl%2Cnh%2Cei%2Cinitcwndbps%2Cmime%2Cgir%2Cclen%2Cdur%2Clmt&signature=7632EA36AAC49C2B4BEBB41C3AD9163F803EAD2B.E50D8B8F1A579B1574CCD2DC5F3687140A016E3F&key=yt8&ratebypass=yes'
ERROR: unable to download video data: <urlopen error [Errno 60] Operation timed out>
Traceback (most recent call last):
  File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 1915, in process_info
    success = dl(filename, info_dict)
  File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 1854, in dl
    return fd.download(name, info)
  File "/usr/local/bin/youtube-dl/youtube_dl/downloader/common.py", line 364, in download
    return self.real_download(filename, info_dict)
  File "/usr/local/bin/youtube-dl/youtube_dl/downloader/http.py", line 341, in real_download
    establish_connection()
  File "/usr/local/bin/youtube-dl/youtube_dl/downloader/http.py", line 109, in establish_connection
    ctx.data = self.ydl.urlopen(request)
  File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 2227, in urlopen
    return self._opener.open(req, timeout=self._socket_timeout)
  File "/usr/local/Cellar/python@2/2.7.16/Frameworks/Python.framework/Versions/2.7/lib/python2.7/urllib2.py", line 429, in open
    response = self._open(req, data)
  File "/usr/local/Cellar/python@2/2.7.16/Frameworks/Python.framework/Versions/2.7/lib/python2.7/urllib2.py", line 447, in _open
    '_open', req)
  File "/usr/local/Cellar/python@2/2.7.16/Frameworks/Python.framework/Versions/2.7/lib/python2.7/urllib2.py", line 407, in _call_chain
    result = func(*args)
  File "/usr/local/bin/youtube-dl/youtube_dl/utils.py", line 1140, in https_open
    req, **kwargs)
  File "/usr/local/Cellar/python@2/2.7.16/Frameworks/Python.framework/Versions/2.7/lib/python2.7/urllib2.py", line 1198, in do_open
    raise URLError(err)
URLError: <urlopen error [Errno 60] Operation timed out>[/code]