these 2 derivations will be built:
  /nix/store/kmnz54srl5xfqnidr2xfr913c10cvr4z-iets-0.1.0.drv
  /nix/store/4km2xy9ks67n4jm8c0qmpfnjvafmdwgy-iets-langtests.drv
building '/nix/store/4km2xy9ks67n4jm8c0qmpfnjvafmdwgy-iets-langtests.drv'
iets-langtests> pass=291 fail=0
iets-langtests> 

upload niks3: ok