these 3 derivations will be built:
  /nix/store/4az6a0z1d1r7g9xsarip5v23s2qsrphq-clauth-0.18.0-vendor.drv
  /nix/store/7kp9mc0sk752gjk3jwvh32ysbik671ca-clauth-0.18.0.drv
  /nix/store/pjbkmn2jvz5a5jcsjhw0vn4jzdz5w29d-check-clauth.drv