these 8 derivations will be built:
  /nix/store/alr5bldwm1fap865jxrir0fb1z6188s2-horae-base.json.drv
  /nix/store/v4xh8wh901ihjg3v0p4zjfyxm8ayrrcf-horae-customisation-layer.drv
  /nix/store/06rj0n4kfbkndkzfygql7gqb5mi16pb9-excludePaths.drv
  /nix/store/m8i6ls7shn0mnawhlpw717pgw0ax1slg-layers.json.drv
  /nix/store/kak6056nxsrk390chdz69fs25q9zjvwg-horae-conf.json.drv
  /nix/store/ppryn2mjx8bn5vvj8w9aqxy1i80asg2j-stream-horae.drv
  /nix/store/9wx0bjrmwm2vly9qd4pd01inv0cxp29d-horae.tar.drv
  /nix/store/6pjfxk2gyd386ybbv27gzi8am9wk2ngs-horae-0.1.0-oci.tar.drv