these 3 derivations will be built:
  /nix/store/28accpgmfsp2bpjsxnm08f425l3h188h-iets-fuzzers-0.0.0.drv
  /nix/store/l58mayqbsz3c3zv8ccwmlp4kyvqr42p7-iets-fuzz-diff-0.0.0.drv
  /nix/store/7krcmzj63b7k82x1b6ciyyd88gwj1b1p-iets-fuzz-parse-check.drv