this derivation will be built:
  /nix/store/kk78xn86v9az4ks020rammyk6dlf4qn4-cewe-fotowelt-8.1.3.drv
these 6 paths will be fetched (2.5 MiB download, 9.4 MiB unpacked):
  /nix/store/0zv97zdb4z86g7sgfpg6vbf7bbbh2yp4-gst-libav-1.28.7
  /nix/store/g8lb6f0xmg6kk1wphq4dzx4q0kmkcqjn-libasyncns-0.8
  /nix/store/9n9n1hcm6bbksyya7dyxpxm8kda1xqsh-libxcb-cursor-0.1.6
  /nix/store/ngdmklbly6l3pg1rd7kn0y4lk5ihicvr-libxcb-cursor-0.1.6-dev
  /nix/store/xmgw0ciyhzvi4ljas0p6afx9aqsi824a-pulseaudio-17.0
  /nix/store/lp4fs3h87qsd9mvbxicnwil2368wmfip-pulseaudio-17.0-dev