these 4 derivations will be built:
  /nix/store/glx9ba6iy8893i0kpbngmxg486hqmx0a-iets-fuzz-diff-0.0.0.drv
  /nix/store/zimxfjpvms8nvcx82258s12g74wxrz48-iets-0.1.0.drv
  /nix/store/xc887qs9z6f6fxila1s9syrl3ax7vnyi-iets-conformance-adapter.drv
  /nix/store/ihfxal61fxi13z9l3zrvfc9mm9071g5b-nix-conformance-iets.drv