these 3 derivations will be built:
  /nix/store/34xq0caaaggbnznchq8a6rc7n9cfl7iz-iets-fuzz-diff-0.0.0.drv
  /nix/store/bybg3cqf5s8iqxn7shzzpxd8ql1mbsim-iets-fuzzers-0.0.0.drv
  /nix/store/g1ng1kx6014g37jhdnvv4vm3wk3w6gvb-iets-fuzz-nar-check.drv