these 2 derivations will be built:
  /nix/store/dym3x3yfrc8cy8bnlycap0bqbqnhdqfz-iets-0.1.0.drv
  /nix/store/85qs26nf9j15qjkkrglrl1v2hakczm57-iets-langtests.drv
building '/nix/store/85qs26nf9j15qjkkrglrl1v2hakczm57-iets-langtests.drv'
iets-langtests> pass=290 fail=0
iets-langtests> 

upload niks3: ok