these 3 derivations will be built:
  /nix/store/mdk23skn2kgb9h380abz73364p0djj99-multica-0.6.1.drv
  /nix/store/bp1asaa5h0rfx4lb0y7hraxhrvvgg54v-multica-desktop-0.6.1.drv
  /nix/store/y78dpkixq95sy574w68mvl4irsadm75m-check-multica-desktop.drv