these 8 derivations will be built:
  /nix/store/13kvn8fq633z96ifvjbh2473z8r22pgf-horae-base.json.drv
  /nix/store/4jnzgc7y144hjiznj5r9yigkhwz2w4vf-horae-customisation-layer.drv
  /nix/store/nc5dp16w9dshs2b70343j5vmq4k2kxf6-excludePaths.drv
  /nix/store/1yhxqz873ljdp3rajxcw8i31lvdz3r9g-layers.json.drv
  /nix/store/6hymi3q6gxwp8d56ic3n11s507cjy457-horae-conf.json.drv
  /nix/store/wdiirhz5g2zwpgdhjqqfgk5yirb1vr0z-stream-horae.drv
  /nix/store/6h8l3cyl2c031zngh558xrz1dgqwpsnp-horae.tar.drv
  /nix/store/0bsz9v0jnqzrf682wwzbc2jj8wc36s0d-horae-0.1.0-oci.tar.drv