these 3 derivations will be built:
  /nix/store/fq38b2ralk9n6zkkpbkipsrl264klbkn-webkitgtk-2.54.2+abi=4.1.drv
  /nix/store/n1y164qfqdni5lr2bcnrpzav4jn3wsfq-kandev-desktop-0.98.0.drv
  /nix/store/g1k46j552hz3110wjr70zfz8a1ivp5r7-check-kandev-desktop.drv