these 3 derivations will be built:
  /nix/store/fnz2vvkzgnw8js69bmlyvbrjipylx30n-iets-fuzz-diff-0.0.0.drv
  /nix/store/yn7k8p6i7ak7f1gscg7pxr366fdylsb3-iets-fuzzers-0.0.0.drv
  /nix/store/rmcbkn9nwn37ip93v985jkp46ka9lgmz-iets-fuzz-drv-eval-check.drv