I used to have btop running in a stand-alone terminal, so that I could monitor my system for any weirdness, but I ended up ending the practice as btop leaks memory like crazy:
https://github.com/aristocratos/btop/issues/912
It wasn't uncommon for gigabytes of ram getting taken up after a day or two of uptime
> For example, if I have a &own T I can reborrow it into a &mut T but not a &pin own T.
From the table can't you do both? Maybe they mean "not a &pin mut T" ?