these 3 derivations will be built:
  /nix/store/5x70bzg1fh9jfjcf3hmxmwqmhaj942zn-iets-fuzz-diff-0.0.0.drv
  /nix/store/hmni2lf1iaxr4z0vxn8wg78wzy1c1rb9-iets-fuzzers-0.0.0.drv
  /nix/store/zbpcp9xn9dnaffm2ivx02s9fjjkv4qiz-iets-fuzz-parse-check.drv