@matt Can you show me what your crontab looks like?
@Gargron I tried adding this which I found on some site but doesn't do the trick.
@matt Generally speaking you can execute the command in the crontab from your shell to test if it works
@Gargron Is it possible you have documentation of a script you use to clear the cache?
Server run by the main developers of the project 
It is not focused on any particular niche interest - everyone is welcome as long as you follow our code of conduct!
@Gargron wow, Now I see that I was totally overthinking it.