these 9 derivations will be built:
  /nix/store/2grxngqvsf1n6i1il5g31196lin7bpvm-horae-0.1.0.drv
  /nix/store/ln2bvsrl7vjp8npr93ff73jx9q07ljh2-horae-customisation-layer.drv
  /nix/store/pzd64ag8y1v36ph6fbrwzmzznk64xrba-horae-base.json.drv
  /nix/store/1sasy7cm0987ws0wj7wwhsxq4qs6qvxd-excludePaths.drv
  /nix/store/drczb5bfvwjikh1qjapqza41gi3slsxj-layers.json.drv
  /nix/store/znih17rhan3qzhw8j1436xm2k9hnmx6q-horae-conf.json.drv
  /nix/store/2lv5j4hcz8r3264f433l1z4zg7iaa9kn-stream-horae.drv
  /nix/store/fad81a4gnlg0kw734h8a8s459xbia5il-horae.tar.drv
  /nix/store/q13j16qnqw2wipdyikdr4r5viifnhqcn-horae-0.1.0-oci.tar.drv