these 2 derivations will be built:
  /nix/store/52glgjnbsf8aagisg0dxb2aavanxax9m-iets-0.1.0.drv
  /nix/store/7a36jc740lb5q04ashc5izkl97qa43gc-iets-langtests.drv
building '/nix/store/7a36jc740lb5q04ashc5izkl97qa43gc-iets-langtests.drv'
iets-langtests> pass=291 fail=0
iets-langtests> 

upload niks3: ok