these 4 derivations will be built:
  /nix/store/gm3742xizxarcz0zw5z5jdg28qz2is0w-iets-fuzz-diff-0.0.0.drv
  /nix/store/h07086vz1rai2ab4pg1w5cfk24sa32i6-iets-0.1.0.drv
  /nix/store/v0qfzs17zbgk2wii7mzim4rriqfdm8dv-iets-conformance-adapter.drv
  /nix/store/jy6nas1lp8k8yjp6cri6j64k9p19kpqq-nix-conformance-iets.drv