these 2 derivations will be built:
  /nix/store/6hy987iyjgxzm7lf67yfiqy4izznvfiq-iets-fuzzers-0.0.0.drv
  /nix/store/ky5rdri78ijd1f7hka5f7di9nr7ppq25-iets-fuzz-drv-check.drv