these 3 derivations will be built:
  /nix/store/77jrf02vq7pkq3cq6ckjicm3mp01lnz6-iets-fuzz-diff-0.0.0.drv
  /nix/store/g3rfjjs5wdgmd6j9a5ibbmz1lsw1z5fm-iets-fuzzers-0.0.0.drv
  /nix/store/pzs0crdrzbjajfvw01d0873bc2yx461i-iets-fuzz-parse-check.drv