these 4 derivations will be built:
  /nix/store/05612l4b24fwp3vvb69h4l3pm6clzzxb-iets-fuzz-diff-0.0.0.drv
  /nix/store/xx1zp4c2l89rch2vxcg5lv0mxynf6n2s-iets-0.1.0.drv
  /nix/store/lw9bcc7k9rspbjr5lg98aawmxcyy0rsw-iets-conformance-adapter.drv
  /nix/store/4xv3w395ymyxy336jacpp57asddydzxx-nix-conformance-iets.drv