these 8 derivations will be built:
  /nix/store/32brp37d3zy4hxyghnwfgchs5xnqh0wn-horae-customisation-layer.drv
  /nix/store/c59xpv3c4r8b2z42kbgxp68pq2k57737-horae-base.json.drv
  /nix/store/05dqysigpnchs0dv8120j24hv92xjv76-excludePaths.drv
  /nix/store/7g70122wm3irkxy9i3apq7yndp3x3hga-layers.json.drv
  /nix/store/lk9a53hbl0q861a7c2p53gaa4lrrakw4-horae-conf.json.drv
  /nix/store/g2vmgrb09xbh0wnmbbwacw5rdxcngi2d-stream-horae.drv
  /nix/store/2fm9bmik4x1ckinbmsmak6lcszak946d-horae.tar.drv
  /nix/store/f7658c82c8sjgs86m3pz6glj3bxs0arz-horae-0.1.0-oci.tar.drv