these 2 derivations will be built:
  /nix/store/av97n2mgbvzwhjap7lg90b9380ay22xy-iets-fuzzers-0.0.0.drv
  /nix/store/w1gzh48hf6y5hr3sjw8zp8q4s462zsm6-iets-fuzz-parse-check.drv