these 3 derivations will be built:
  /nix/store/4gwlghyifyiys69ilj7rvy0gzxds46sw-iets-fuzz-diff-0.0.0.drv
  /nix/store/rmgb4709zxcdrwj5aqggak0vly5n78bm-iets-fuzzers-0.0.0.drv
  /nix/store/k6jin6xcxkq67hc5fsg7j01rnkyvbf9j-iets-fuzz-parse-check.drv