these 3 derivations will be built:
  /nix/store/ilqfmy0wp87s0k31j4q2cvrp37nzjj56-iets-fuzzers-0.0.0.drv
  /nix/store/ixzijvyb5zdym4n2wl9z96c25c3yz5bv-iets-fuzz-diff-0.0.0.drv
  /nix/store/4673d9j5bvmhgiz3zykciqggnx96ai8c-iets-fuzz-drv-eval-check.drv