these 12 derivations will be built:
  /nix/store/46qlb56782v86ziy7kx6bpj6hmkfninc-libxml2+py-2.15.3.drv
  /nix/store/8n4qkjpl3slhy38yd4fkrh6p43zf0vwv-pythonGen.drv
  /nix/store/1bqnnzxkgys13bkzqd4kz95hf6ync10r-dummy-fc-dir2.drv
  /nix/store/4gicrang7irmp6pi7vk8lggdvzy9wm08-dummy-xdg-mime-dirs1.drv
  /nix/store/h9wjm6a1fm2phx6ycwh6ww9rnj4rfj52-dummy-xdg-mime-dirs2.drv
  /nix/store/l8wg8pnby5xgb2b75pv0wpwljacjcs8v-dummy-fc-dir1.drv
  /nix/store/8zwvmfbjby9xlg108dm4m48lqcidwi8v-home-manager-path.drv
  /nix/store/0s00669w3gpxvnwrff1dq7mvimk458lb-hm_hmfontconfigfonts.xml.drv
  /nix/store/9jkrd5v1d6idajii12z9fhqczl1l7f20-home-manager-files.drv
  /nix/store/31zgciyw4dzdnlgahgp13rbvjgil025h-hm-putter.json.drv
  /nix/store/x8pza4svvrmsp6v4bgjbf8vyiirxw6kr-activation-script.drv
  /nix/store/l8pihkw6jygkd7wvv1k7pnal4mynzc0r-home-manager-generation.drv
these 4 paths will be fetched (1.0 MiB download, 3.7 MiB unpacked):
  /nix/store/884z1c8yrvb3rlg6xzakz14gnls7kcl3-libxml2-2.15.3
  /nix/store/nz72vfqajnpi13xn1nqciwg31zzisdmr-libxml2-2.15.3-bin
  /nix/store/dr8a0ymg94br9ywajlvq92s3nfjvpv45-libxml2-2.15.3-dev
  /nix/store/hhm49y9lwj30wfg0yjx4qj5ics5r9j03-libxml2-2.15.3-py