these 4 derivations will be built:
  /nix/store/s414hbiclxyk3m4gacfwvph3mfb3g0ix-herdr-0.9.5.drv
  /nix/store/id8fgpn1c49g5bgxfd36n4p134c8p76v-home-manager-path.drv
  /nix/store/cgqxx7a3rvj02zyr9rzsvpbpvkczpj71-activation-script.drv
  /nix/store/nh58v1ac2gwbq0gsr4iyyyd80mc5x5h6-home-manager-generation.drv