these 3 derivations will be built:
  /nix/store/7iprmxlsja1asyvp8rb719lvmwii1idq-home-manager-path.drv
  /nix/store/f3ip7w4gj5gkd95mkcg1hp04caczy85b-activation-script.drv
  /nix/store/k333hrsqj1jipc8yg6y3ckixy99sjhb8-home-manager-generation.drv