these 4 derivations will be built:
  /nix/store/v42ciz56rm6wifxxx2a5xrz2j0mj0img-iets-0.1.0.drv
  /nix/store/w163dck9dib6x3lgvif8mdwb7wj0j0z5-iets-fuzz-diff-0.0.0.drv
  /nix/store/vhfday5491mja0dp8ci5fijbqq0hqy04-iets-conformance-adapter.drv
  /nix/store/078zq3z4l5y2vjh612kgfyrqyy8n0xz9-nix-conformance-iets.drv