these 2 derivations will be built:
  /nix/store/0ppysy37cvvm1x9wyvpq57p16p46rfwh-iets-0.1.0.drv
  /nix/store/nlr3007gn5j166mww0fjvn3fc90aqd10-iets-langtests.drv
building '/nix/store/nlr3007gn5j166mww0fjvn3fc90aqd10-iets-langtests.drv'
iets-langtests> pass=291 fail=0
iets-langtests> 

upload niks3: ok