these 3 derivations will be built:
  /nix/store/qcxv98h6z2y0lwkj7xg0p4k9d5m43lfq-stream-horae.drv
  /nix/store/fiqpvpnncd6srcspgdk1a9d1mwmi9kcs-horae.tar.drv
  /nix/store/dyvrxyb81li1xxljg27frjfxdfpawv9f-horae-0.1.0-oci.tar.drv