these 3 derivations will be built:
  /nix/store/lhldv5a0rd88xvijpy76mbf8l7a5salk-home-manager-path.drv
  /nix/store/7s1fhajc1q8p31ymk1x2fzj7af5hx6sr-activation-script.drv
  /nix/store/fl2a7ccy3pw7r4mcc567h6159i2amy54-home-manager-generation.drv