Your video is corrupted, from your logs:
2019-01-23T06:08:01 MCEBuddy.AppWrapper.CCExtractor → Error: user_data: ustream->bitsleft < 0. Cannot continue.
→ Process exited with code 1000
ERROR> → CCExtractor failed to extract closed captions
ERROR> 2019-01-23T06:08:03 MCEBuddy.Engine.ConversionJob → Extracting closed captions failed
Since closed captions cannot be extracted due to an error MCEBuddy does not continue. This is intentional so that user don’t think that the closed captions are missing.
Can you upload the original video to our server so we can analyze it.