these 4 derivations will be built:
  /nix/store/lj4pgyfilf90pp42na6rmgm0c281mpzb-nix-tree-0.1.0.drv
  /nix/store/ms6bljm7sknj8v2kms5xnzdijz69hldd-home-manager-path.drv
  /nix/store/lk0hwmp2bvayr58agdi24339wcf1hqcl-activation-script.drv
  /nix/store/xlzqvwslc7pgzsd79ib5m04nc9df2jjl-home-manager-generation.drv