these 3 derivations will be built:
  /nix/store/1k1vi83yp7ik4wfwc077nqykzhpwsx4n-iets-fuzzers-0.0.0.drv
  /nix/store/4b4ad39cjnyzl2n5ndmw4hxyxgng9kda-iets-fuzz-diff-0.0.0.drv
  /nix/store/x8j99k3qr13svj3fcb8kg6ymvpvky8an-iets-fuzz-eval-check.drv