these 8 derivations will be built:
  /nix/store/6w6xvjg2kbjv8y0ic40rjsk30im7sz6j-pythonGen.drv
  /nix/store/dmmmagp2sm2hvp1nl9hcbml9rrqflb29-libxml2+py-2.15.3.drv
  /nix/store/jkn75izwqmwlxsh8mzaszjqa6yg3k2m5-home-manager.drv
  /nix/store/sbjaij8nn3piwk63dbpm0zpg7fnwh4i4-home-manager-path.drv
  /nix/store/8g0h57h6qady9hlwsiwb071ag5gw946g-hm_hmfontconfigfonts.xml.drv
  /nix/store/7gbkagkf4y4czaqwbarq5iirjkqi4cwk-home-manager-files.drv
  /nix/store/k1625lva3ji38sipy13j8mrh8xigczgd-activation-script.drv
  /nix/store/wvv99zrks30mwn8s762nhmc5727mc5w3-home-manager-generation.drv