these 2 derivations will be built:
  /nix/store/xfwc6wrx5h5ag22vndkifp7lhy0qq6j9-iets-0.1.0.drv
  /nix/store/4pmn6ngi5mzki0nparxy3rxj62ds4baj-iets-langtests.drv
building '/nix/store/4pmn6ngi5mzki0nparxy3rxj62ds4baj-iets-langtests.drv'
iets-langtests> pass=290 fail=0
iets-langtests> 

upload niks3: ok