these 2 derivations will be built:
  /nix/store/k05acg4ai5yn7q3vrhrmv0fq7rrb3wh0-iets-fuzzers-0.0.0.drv
  /nix/store/hr1giw4nximw1nbah77lp72x5h5c5w5l-iets-fuzz-drv-check.drv