fawazahmed0 compiled it so perhaps he can provide more details.
AIK v3.6 will still need Administrator permissions to repack the .backup directory in a Magisk patched boot.img, but it requests them itself via sudo.exe so it should be pretty aut...
Seems like you have the correct repos and branches for do that, i don't know why isn't working for you.
If you're using device and vendor (branch cm12) from MrColdbird's github with my kernel it should work.
Enviado desde mi Z1 mediante Tapat...