these 2 derivations will be built:
  /nix/store/rninx25pka1a8343gv5kpvb58y57h4ax-resulting-skills-tree.drv
  /nix/store/avi40nrj81d7wiyj8azzzhjn019xwvby-validate-skills.drv
building '/nix/store/rninx25pka1a8343gv5kpvb58y57h4ax-resulting-skills-tree.drv'
building '/nix/store/avi40nrj81d7wiyj8azzzhjn019xwvby-validate-skills.drv' on 'ssh-ng://nix-remote-builder@rofl-15.brkn.lol'
building '/nix/store/avi40nrj81d7wiyj8azzzhjn019xwvby-validate-skills.drv'
validate-skills> Valid skill: /nix/store/w2jzjxi8xak5bgmmh6rxcmfn3kz34vsk-resulting-skills-tree/adb
validate-skills> Valid skill: /nix/store/w2jzjxi8xak5bgmmh6rxcmfn3kz34vsk-resulting-skills-tree/ansible-stuff
validate-skills> Valid skill: /nix/store/w2jzjxi8xak5bgmmh6rxcmfn3kz34vsk-resulting-skills-tree/bichon