these 3 derivations will be built:
  /nix/store/bpx3c6j1fn6wfswm47m30xx1gzrjjwan-hol_guard-3.35.0.tar.gz.drv
  /nix/store/2rkxvy1934l9ks333v1yrr7d2wwmxwnc-hol-guard-3.35.0.drv
  /nix/store/aypha6wrf1b6lxr68d4b25aviffgrzxq-check-hol-guard.drv