Fails to unmount sometimes.

[baryluk]

mount on host shows this

squashfuse on /tmp/conty.sh_user_9555/mnt type fuse.squashfuse (rw,nosuid,nodev,relatime,user_id=1000,group_id=1000)

but I don't have conty running anywhere.

Maybe use trap exit_handler EXIT to make it more robust?

[Kron4ek]

Yes, i noticed this too, i guess this happens when the script terminates ungracefully, so signal trapping should help indeed. I will see what i can do about this.