Log shows what is expected. Warranty replacement, print log file or screen shot plus SMART error message. If you can't replace it for some reason, there is the following procedure, you will know more if you can trust this drive and to what extend (primary storage or not important stuff like movies you can download again).
You did clone this drive to SSD, so backup is done. Fill up all sectors with zeros. Keep it idle for half an hour, then power off. Check SMART parameters, #C5 should be cleared up. Run scan again. Delays and error should gone. Check SMART whether is picking up #C5 again. If clear, then run your favourite random access read/write tests for few hours. If SMART reports non-zero #C5, or errors come back, then, you know, its finished.