these 3 derivations will be built:
  /nix/store/57c31rbxla57av64v9ww6684wdprrc1l-iets-fuzz-diff-0.0.0.drv
  /nix/store/nqp9ghnbfvk05kyly6lrh96fcnmmygj8-iets-fuzzers-0.0.0.drv
  /nix/store/z3h8a1vzpbf47dj3idd81n05yz76hwqi-iets-fuzz-parse-check.drv