these 3 derivations will be built:
  /nix/store/3j86id7j4i354zgdbmvh5h4wys0v9agj-iets-fuzz-diff-0.0.0.drv
  /nix/store/ympk4jnk1lg0imbp6vs16ff0w4x5mm6v-iets-fuzzers-0.0.0.drv
  /nix/store/0qli8w1mpq5dwhb3414a9fnrcimhcpp0-iets-fuzz-eval-check.drv