these 3 derivations will be built:
  /nix/store/3pim518zcchzbbj4j7v6r5kq4cmz1xh5-home-manager-path.drv
  /nix/store/8iy04g619jsn5g4836ighs0hvgx5bfwn-activation-script.drv
  /nix/store/8zm1k17836d2qw2zkqy5avbap703zlfa-home-manager-generation.drv