these 6 derivations will be built:
  /nix/store/1zbmb51qqaan0yf88ilhzh8jaqzv1qv7-source.drv
  /nix/store/4v04n3qjr22jy0yz4x7nfv1f9hcwy7q0-iets-0.1.0.drv
  /nix/store/ax0yknh75l2kpjq1fyi11p2nnga8d2pw-iets-fuzz-diff-deps-0.0.0.drv
  /nix/store/ydi4wyczh5gcbm6di7j48dpdh140ir1h-iets-fuzz-diff-0.0.0.drv
  /nix/store/idjxj0w68nvbz0wsqhkl2da9pb56sa3d-iets-conformance-adapter.drv
  /nix/store/iiljiy3h5q3nig9qn6w71idx4pxrjwr8-nix-conformance-iets.drv