these 4 derivations will be built:
  /nix/store/4m65hq1vs7css7cl1a4f58zifhf8pan3-bb-app-0.43.3.tgz.drv
  /nix/store/xirmdk5y8164qfc0hm6f5adrrbflwpk4-bb-app-src-with-lock.drv
  /nix/store/ld10vs4iwxy2lwmz3fr4k4qkby93m2sb-bb-app-0.43.3-npm-deps.drv
  /nix/store/xi0gywwdzxgj1b4phj8nq8qmg0h6rhvy-bb-app-0.43.3.drv