1) gadget is success (it uses base:core20) !
/usr/share/launchpad-buildd/bin/in-target buildsnap --backend=lxd --series=focal --arch=amd64 SNAPBUILD-935489 --channel core20=stable --channel snapcraft=stable/launchpad-buildd
1) gadget is success (it uses base:core20) !
/usr/share/ launchpad- buildd/ bin/in- target buildsnap --backend=lxd --series=focal --arch=amd64 SNAPBUILD-935489 --channel core20=stable --channel snapcraft= stable/ launchpad- buildd