FINALLY!!!
There was nothing wrong with the installer, exept that strange bootstrap.tar.gz error. ???

After flashing bootstrap failed many times because it was unable to download adduser.
So i done bootstrapping with my ubuntubox, and when deblet installer asked, i selected to mount, not format. And it installed with no problem. Maybe something is wrond with debootstrap package? My 32 bit ubuntu had no problem when bootstrapping from same server.

The most important thing for me is that my deblet finally works

I have been thinking about trying to compile some ubuntu-mobile packages. Just for fun. I have never compiled anything.