WARNING: unable to extract channel id - YouTube

[austux]

Checklist

• I'm reporting a broken site support
• I've verified that I'm running youtube-dl version 2019.04.30
• I've checked that all provided URLs are alive and playable in a browser
• I've checked that all URLs and arguments with special characters are properly quoted or escaped
• I've searched the bugtracker for similar issues including closed ones
  [no suggestions found, one conversation-locked similar report seen]

Verbose log

[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: [u'-f', u'bestvideo[ext=mp4]+bestaudio[ext=m4a]/bestvideo+bestaudio', u'--merge-output-format', u'mp4', u'--write-description', u'--sleep-interval', u'30', u'--verbose', u'https://www.youtube.com/watch?v=FhYGoUu9Ra4']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2019.04.30
[debug] Python version 2.7.15+ (CPython) - Linux-4.15.0-49-generic-x86_64-with-Ubuntu-18.04-bionic
[debug] exe versions: ffmpeg 3.4.6, ffprobe 3.4.6, rtmpdump 2.4
[debug] Proxy map: {}
[youtube] FhYGoUu9Ra4: Downloading webpage
[youtube] FhYGoUu9Ra4: Downloading video info webpage
WARNING: unable to extract channel id; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
[info] Writing video description to: Eugene Bagashov - Planet Nine and Solar System Myths _ Space News-FhYGoUu9Ra4.description
[debug] Invoking downloader on u'https://r5---sn-ntqe6n7k.googlevideo.com/videoplayback?id=o-AKC0uSMRKWaG2rUAysvHTdT-gnWafInPCdKF5OvSje8m&aitags=133%2C134%2C135%2C136%2C160%2C242%2C243%2C244%2C247%2C278&itag=136&source=youtube&requiressl=yes&mm=31%2C26&mn=sn-ntqe6n7k%2Csn-ogul7n7d&ms=au%2Conr&mv=m&pl=24&ei=JbjSXN6BE7-G3LUPoeyrkAk&initcwndbps=1326250&mime=video%2Fmp4&gir=yes&clen=24456169&dur=876.875&lmt=1557310572902489&mt=1557313537&fvip=5&keepalive=yes&c=WEB&txp=5535432&ip=115.70.28.204&ipbits=0&expire=1557335173&sparams=ip%2Cipbits%2Cexpire%2Cid%2Caitags%2Csource%2Crequiressl%2Cmm%2Cmn%2Cms%2Cmv%2Cpl%2Cei%2Cinitcwndbps%2Cmime%2Cgir%2Cclen%2Cdur%2Clmt&signature=109A60E9163E46D2E6688D6507CB642BCA511C60.57AE6BF6703E83217A969592DA051C24CC1EAEEC&key=yt8&ratebypass=yes'
[download] Eugene Bagashov - Planet Nine and Solar System Myths _ Space News-FhYGoUu9Ra4.f136.mp4 has already been downloaded
[download] 100% of 23.32MiB
[debug] Invoking downloader on u'https://r5---sn-ntqe6n7k.googlevideo.com/videoplayback?id=o-AKC0uSMRKWaG2rUAysvHTdT-gnWafInPCdKF5OvSje8m&itag=140&source=youtube&requiressl=yes&mm=31%2C26&mn=sn-ntqe6n7k%2Csn-ogul7n7d&ms=au%2Conr&mv=m&pl=24&ei=JbjSXN6BE7-G3LUPoeyrkAk&initcwndbps=1326250&mime=audio%2Fmp4&gir=yes&clen=14193161&dur=876.924&lmt=1557310063214022&mt=1557313537&fvip=5&keepalive=yes&c=WEB&txp=5531432&ip=115.70.28.204&ipbits=0&expire=1557335173&sparams=ip%2Cipbits%2Cexpire%2Cid%2Citag%2Csource%2Crequiressl%2Cmm%2Cmn%2Cms%2Cmv%2Cpl%2Cei%2Cinitcwndbps%2Cmime%2Cgir%2Cclen%2Cdur%2Clmt&signature=DA855301CE6699EBCA9EE8564E1BE500D989B87F.4A57927F278F53A257CAFF9F87F8DB298EC6B8A5&key=yt8&ratebypass=yes'
[download] Sleeping 30 seconds...
[download] Destination: Eugene Bagashov - Planet Nine and Solar System Myths _ Space News-FhYGoUu9Ra4.f140.m4a
[download] 100% of 13.54MiB in 00:11
[ffmpeg] Merging formats into "Eugene Bagashov - Planet Nine and Solar System Myths _ Space News-FhYGoUu9Ra4.mp4"
[debug] ffmpeg command line: ffmpeg -y -loglevel 'repeat+info' -i 'file:Eugene Bagashov - Planet Nine and Solar System Myths _ Space News-FhYGoUu9Ra4.f136.mp4' -i 'file:Eugene Bagashov - Planet Nine and Solar System Myths _ Space News-FhYGoUu9Ra4.f140.m4a' -c copy -map '0:v:0' -map '1:a:0' 'file:Eugene Bagashov - Planet Nine and Solar System Myths _ Space News-FhYGoUu9Ra4.temp.mp4'
Deleting original file Eugene Bagashov - Planet Nine and Solar System Myths _ Space News-FhYGoUu9Ra4.f136.mp4 (pass -k to keep)
Deleting original file Eugene Bagashov - Planet Nine and Solar System Myths _ Space News-FhYGoUu9Ra4.f140.m4a (pass -k to keep)

Description

download happened flawlessly (AFAICT), youtube-dl script requested that I report this.

full command was: youtube-dl -f 'bestvideo[ext=mp4]+bestaudio[ext=m4a]/bestvideo+bestaudio' --merge-output-format mp4 --write-description --sleep-interval 30 --verbose https://www.youtube.com/watch?v=FhYGoUu9Ra4

command issued on an Xubuntu Bionic Beaver (18.04.2) system, kernel version 4.15.0

[austux]

same story with youtube-dl -F --verbose https://www.youtube.com/watch?v=KU8AVNI4kZo

(that is not even a download attempt, just asking about formats)

[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: [u'-F', u'--verbose', u'https://www.youtube.com/watch?v=KU8AVNI4kZo']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2019.04.30
[debug] Python version 2.7.15+ (CPython) - Linux-4.15.0-49-generic-x86_64-with-Ubuntu-18.04-bionic
[debug] exe versions: ffmpeg 3.4.6, ffprobe 3.4.6, rtmpdump 2.4
[debug] Proxy map: {}
[youtube] KU8AVNI4kZo: Downloading webpage
[youtube] KU8AVNI4kZo: Downloading video info webpage
WARNING: unable to extract channel id; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
[info] Available formats for KU8AVNI4kZo:
format code extension resolution note
249 webm audio only DASH audio 66k , opus @ 50k, 4.23MiB
250 webm audio only DASH audio 85k , opus @ 70k, 5.58MiB
140 m4a audio only DASH audio 130k , m4a_dash container, mp4a.40.2@128k, 9.62MiB
171 webm audio only DASH audio 139k , vorbis@128k, 9.73MiB
251 webm audio only DASH audio 160k , opus @160k, 10.81MiB
394 mp4 256x144 144p 95k , av01.0.05M.08, 30fps, video only, 5.52MiB
160 mp4 256x144 144p 96k , avc1.4d400c, 30fps, video only, 3.43MiB
278 webm 256x144 144p 144k , webm container, vp9, 30fps, video only, 7.48MiB
395 mp4 426x240 240p 210k , av01.0.05M.08, 30fps, video only, 10.56MiB
133 mp4 426x240 240p 214k , avc1.4d4015, 30fps, video only, 7.65MiB
242 webm 426x240 240p 221k , vp9, 30fps, video only, 8.59MiB
396 mp4 640x360 360p 369k , av01.0.05M.08, 30fps, video only, 19.95MiB
243 webm 640x360 360p 409k , vp9, 30fps, video only, 15.23MiB
134 mp4 640x360 360p 466k , avc1.4d401e, 30fps, video only, 16.20MiB
244 webm 854x480 480p 624k , vp9, 30fps, video only, 23.25MiB
397 mp4 854x480 480p 645k , av01.0.05M.08, 30fps, video only, 36.61MiB
135 mp4 854x480 480p 890k , avc1.4d401f, 30fps, video only, 31.37MiB
247 webm 1280x720 720p 1110k , vp9, 30fps, video only, 43.72MiB
398 mp4 1280x720 720p 1297k , av01.0.05M.08, 30fps, video only, 77.41MiB
136 mp4 1280x720 720p 1525k , avc1.4d401f, 30fps, video only, 61.27MiB
18 mp4 640x360 medium , avc1.42001E, mp4a.40.2@ 96k, 35.87MiB
43 webm 640x360 medium , vp8.0, vorbis@128k, 55.12MiB
22 mp4 1280x720 hd720 , avc1.64001F, mp4a.40.2@192k (best)