AutoRecon is taking too long to complete

AutoRecon is taking too long to complete

AutoRecon is a multi-threaded network reconnaissance tool which performs automated enumeration of services. It is intended as a time-saving tool for use in CTFs and other penetration testing environments (e.g. OSCP).

https://github.com/Tib3rius/AutoRecon

However, I notice that it's taking too long complete. I've tested it on one of my VM a few hours ago and it's not fully completed till now.

It says that There are 2 tasks still running ...

Has anyone using this tool before? Did you experience the same problem?