these 8 derivations will be built:
  /nix/store/5zg0vn3b1ch5njkjbc82p2bn86nq9b8n-horae-base.json.drv
  /nix/store/6qr0ygr2w53lfcvm0q1f3rrxjx09bshk-horae-customisation-layer.drv
  /nix/store/4j4kg6y66z2cp1w2b6kxnycflfnn4f4x-excludePaths.drv
  /nix/store/55z95s49qs9f983w2b626kdg0fp9jrkj-layers.json.drv
  /nix/store/cq8glvx27x73g7j3400pljclag8kqczq-horae-conf.json.drv
  /nix/store/4h68ig5vf4xz8gyf246nvmzqc99bdi66-stream-horae.drv
  /nix/store/r43vdblla2c31fhc9n1sa3a59qch30xs-horae.tar.drv
  /nix/store/3jbh8pk2vk4k6i2khmj9yrgfm6nq5vyg-horae-0.1.0-oci.tar.drv