these 2 derivations will be built:
  /nix/store/djjrrk8cdfb4m5r1pih2gzhm7hazlcn9-iets-0.1.0.drv
  /nix/store/qfgyl9kj60cidsbgxvnrs7hlfsn29gsj-iets-langtests.drv
building '/nix/store/qfgyl9kj60cidsbgxvnrs7hlfsn29gsj-iets-langtests.drv'
iets-langtests> pass=291 fail=0
iets-langtests> 

upload niks3: ok