these 8 derivations will be built:
  /nix/store/qcimnavibq739s43bjfn4jfch7jncnck-horae-base.json.drv
  /nix/store/qg5iwdk501ip8h8fi35q3s5ga02bl4r6-horae-customisation-layer.drv
  /nix/store/w4cgp289ng4wlvgw4w2fa56n2sm2hmg8-excludePaths.drv
  /nix/store/4jcb19p8ciww9487nxn3xh7hhc7vzmp7-layers.json.drv
  /nix/store/kffzyx4ar2wbjhydq8zq2z1s351l7gl4-horae-conf.json.drv
  /nix/store/xvp2f9n67cdpi6bx3dshnn9ih5vba0fz-stream-horae.drv
  /nix/store/6jc1r7lyzi0894csnmla8fcz4ki0lg8d-horae.tar.drv
  /nix/store/3f3q7zf7i7aac8pqg50jlqs4imhqlkgk-horae-0.1.0-oci.tar.drv