these 2 derivations will be built:
  /nix/store/f32v8f5b7m5sl0mdbqhln59ammvvm23j-iets-0.1.0.drv
  /nix/store/wzp5xxxzcdzc8vw0lk7a1x42255l0gvj-iets-langtests.drv
building '/nix/store/wzp5xxxzcdzc8vw0lk7a1x42255l0gvj-iets-langtests.drv'
iets-langtests> pass=291 fail=0
iets-langtests> 

upload niks3: ok