No, Kubrick (the Wizard) will not de-brick any model not in the thread title.
Ah, I told you to boot your PC with Kubirck and then escape to the Linux command line.
All of the correct tools you will need can be run from there.
U-Boot is alive and well, that is what is outputting the messages you copied.
**EDIT:** Accept for what was deleted by your "fastboot -w" command entry.
(Hmm... I guess "Erase All" wasn't enough for this guy.)
So next, follow the directions it printed for you -
It output the correct board ID to use and told you it wasn't set (yet) -
Duh...
So set it.
- - - - -
Most likely command to use: the U-boot idme command (probably only in the full (bist) build of u-boot).
And if you can't access the idme command or bist then you have junked out your board.
List it as "For Parts Only" on some trading site.