these 2 derivations will be built:
  /nix/store/z5njqy0zvirpg5idp71w9pvli33s6fqm-iets-0.1.0.drv
  /nix/store/9h2wzn10fphf86ka2k202jmbdpn7bilk-iets-langtests.drv
building '/nix/store/9h2wzn10fphf86ka2k202jmbdpn7bilk-iets-langtests.drv'
iets-langtests> pass=291 fail=0
iets-langtests> 

upload niks3: ok