these 3 derivations will be built:
  /nix/store/6g6fmgfccf62gyb9kh2nn03sc853nrb5-iets-fuzzers-0.0.0.drv
  /nix/store/fy1wgm876rhf7nfhv7k0icjnzxl9s1a1-iets-fuzz-diff-0.0.0.drv
  /nix/store/1dj7w4k8d9cln8srr113290lgqbivar3-iets-fuzz-drv-check.drv