these 2 derivations will be built:
  /nix/store/jdihvci0831ic7cxb06mwvvkfxgsr29w-iets-0.1.0.drv
  /nix/store/j2gcscr2l14d7525ir8rwg2725pjkz3y-iets-langtests.drv
building '/nix/store/j2gcscr2l14d7525ir8rwg2725pjkz3y-iets-langtests.drv'
iets-langtests> pass=290 fail=0
iets-langtests> 

upload niks3: ok