these 8 derivations will be built:
  /nix/store/gf8q0c99hnyaag5rvns89910bjbmd2la-horae-base.json.drv
  /nix/store/yy34yapnyygdvnrqhzxh2ha38a7wmaj8-horae-customisation-layer.drv
  /nix/store/7hd42fkkppsv2yv3342ff5s3w7wp4zh8-excludePaths.drv
  /nix/store/gcl7sffkb6jq1lzl0826012qwp3309rr-layers.json.drv
  /nix/store/9siqxw6z1qafhh5rw60aj05p7ngk02s1-horae-conf.json.drv
  /nix/store/h5j1agkkbjskb5lh466gkivhzbk4smdv-stream-horae.drv
  /nix/store/7hhc1idi2kjdfzx101wi5fjjh7gyljbh-horae.tar.drv
  /nix/store/gfs0rgcv00h9myyp4kn83fkfkfg39zi9-horae-0.1.0-oci.tar.drv