these 4 derivations will be built:
  /nix/store/286d0bfsasjzxb97rka3ifhs2i5i7ac9-iets-fuzz-diff-0.0.0.drv
  /nix/store/mn8rkfw2hh387naksmhgyrnfzdwq1vx0-iets-0.1.0.drv
  /nix/store/d50znrac995akc5292is3k7l94n8gg92-iets-conformance-adapter.drv
  /nix/store/7kkg1q529d3929dq2z4mldw9mgq1dchh-nix-conformance-iets.drv