these 2 derivations will be built:
  /nix/store/zda4yi56dvmnvgpphak7zsmm40a5n6vm-iets-0.1.0.drv
  /nix/store/9dl7s9mkdn9yim2687p498i09v3h57gj-iets-langtests.drv
building '/nix/store/9dl7s9mkdn9yim2687p498i09v3h57gj-iets-langtests.drv'
iets-langtests> pass=290 fail=0
iets-langtests> 

upload niks3: ok