Incorrect Free Space Warnings likely fixes this, but please see if PR’s text fits:
The code before this would incorrectly always return the free space of
/on non-Windows, instead of the actual mounted path’s free space.
Workaround is:
--quota-disable (Boolean): Disable backend quota
Disable the quota reported by the backend. The option --quota-size can
still be used to set a manual quota
* default value: false