these 2 derivations will be built:
  /nix/store/ff27mganc6yhpq8gdzxck2dnn7b9n4wy-iets-0.1.0.drv
  /nix/store/k7g1d3m0bsjpbbzsqqqkf7wvb82b3223-iets-langtests.drv
building '/nix/store/k7g1d3m0bsjpbbzsqqqkf7wvb82b3223-iets-langtests.drv'
iets-langtests> pass=291 fail=0
iets-langtests> 

upload niks3: ok