these 3 derivations will be built:
  /nix/store/7gsg9mf6ghiank0z7f28x3j4w76rrpgf-iets-fuzzers-0.0.0.drv
  /nix/store/9z9q9dqlqwv7sx4abgdj4l5d8s75934r-iets-fuzz-diff-0.0.0.drv
  /nix/store/b9inxnrnchlikihj0fb7191lahc9457g-iets-fuzz-drv-eval-check.drv