these 4 derivations will be built:
  /nix/store/cchlnk511kvjqc91ynca9ij6ds4q8i48-iets-0.1.0.drv
  /nix/store/rpfq1nlzgfbds0kj1f0570as3vf7qi8m-iets-fuzz-diff-0.0.0.drv
  /nix/store/nkj05gl4yhg5z575lw9f1j0aya86q9ji-iets-conformance-adapter.drv
  /nix/store/sb2479hghz2nj0hmzh1xzgbnn9mvl90m-nix-conformance-iets.drv