these 8 derivations will be built:
  /nix/store/702wvbajw443d9b03s7rqjphhzc8nmd1-horae-base.json.drv
  /nix/store/772f3zjiw1cpmm1ivdyf5fg0hy21mbfv-horae-customisation-layer.drv
  /nix/store/qbki25wivbpswhql1mvb035153ydk2d1-excludePaths.drv
  /nix/store/7lz5wgz3axvwfqaxn30nsya4701a9aj8-layers.json.drv
  /nix/store/sjq7b0a5xdj940kzmhcsb32p0gqp9qzb-horae-conf.json.drv
  /nix/store/qmq7qin4pp45mfsnfn6rik55zq9yi9p4-stream-horae.drv
  /nix/store/7gp1x8swvzfqjprpyhb92j69a359mwjh-horae.tar.drv
  /nix/store/bjc9vrpmimravnx35kf7qcs1vrp2lzz3-horae-0.1.0-oci.tar.drv