these 15 derivations will be built:
  /nix/store/1bqnnzxkgys13bkzqd4kz95hf6ync10r-dummy-fc-dir2.drv
  /nix/store/c8dixiipi1y9p1x3i5s07xc3kvhvdws8-hm-firefox-extensions.drv
  /nix/store/46qlb56782v86ziy7kx6bpj6hmkfninc-libxml2+py-2.15.3.drv
  /nix/store/8n4qkjpl3slhy38yd4fkrh6p43zf0vwv-pythonGen.drv
  /nix/store/4gicrang7irmp6pi7vk8lggdvzy9wm08-dummy-xdg-mime-dirs1.drv
  /nix/store/q88zfdvy4n7b3jwchxdak0xrm5qznqmw-options.json.drv
  /nix/store/f232ryzfka1d2a304qkniky5b2fd9rwh-home-configuration-reference-manpage.drv
  /nix/store/h9wjm6a1fm2phx6ycwh6ww9rnj4rfj52-dummy-xdg-mime-dirs2.drv
  /nix/store/l8wg8pnby5xgb2b75pv0wpwljacjcs8v-dummy-fc-dir1.drv
  /nix/store/lcgf36r5sx5rd3s26blnlxa119b678xc-home-manager-path.drv
  /nix/store/h3yligxcp201ddldc98cg9a093bcg5vn-hm_hmfontconfigfonts.xml.drv
  /nix/store/33vngm3jsr9p98smkcljrb153pmb5vr0-home-manager-files.drv
  /nix/store/dg94j166ck9g8rlv8qa7kcnrd9priz2s-activation-script.drv
  /nix/store/spsa8lwypz8v2vvhlhxl2b8jdg4mwnkh-hm-putter.json.drv
  /nix/store/pfcxlp9yfzwkw9a4j7gz9jdsbkcsz7mr-home-manager-generation.drv