these 3 derivations will be built:
  /nix/store/biwh0f43xlf7ms9ajnmfsvi2msvj4783-home-manager-path.drv
  /nix/store/fwb8rnham8744nf7a4dkcgsi5as2l5v2-activation-script.drv
  /nix/store/ls85py9ddcrkh004df3zvkwvj0m1glz3-home-manager-generation.drv