these 3 derivations will be built:
  /nix/store/0qrfrzvk715242kgh4vygxr9rlyqfza5-iets-fuzz-diff-0.0.0.drv
  /nix/store/vn3zkqg0vzzfan9d57r7llnkfry9498d-iets-fuzzers-0.0.0.drv
  /nix/store/xxvmpjyyczww2py34dg37cpwwwhlszcl-iets-fuzz-eval-check.drv