memory leak 0.9.3

[oldrust]

It seems there is a memory leak in the latest version of volctl:

https://i.postimg.cc/4dH8py4w/volctl-1.png

After few hours memory consumption grows to this:

https://i.postimg.cc/B6fFwncm/volctl-2.png

If i let it run it grows to 500Mb and more.

Arch linux with Xfce 4.18, latest updates.
I even recompiled it a few times, no change.