these 2 derivations will be built:
  /nix/store/63vfai2vjm3sj4mq23h1wd7nya9y21b1-iets-fuzzers-0.0.0.drv
  /nix/store/dr6c4r1kibdv4557k40pabca2c5li0wd-iets-fuzz-parse-check.drv