these 3 derivations will be built:
  /nix/store/baxvsbm7n38azyffxh73zr6vl1gjgmd2-check-link-targets.sh.drv
  /nix/store/z1sjbaf7ckri0dkw1sxj8wnslzs9xkn1-activation-script.drv
  /nix/store/k3l8fv3128y80mfqqmj9k8m8hm5wdd7j-home-manager-generation.drv