these 2 derivations will be built:
  /nix/store/kgyz84xlvvzc8cgg2flhrgvggkl7jqsv-iets-0.1.0.drv
  /nix/store/v4k976k8vby947ys3bb7p8py2li7vj67-iets-langtests.drv
building '/nix/store/v4k976k8vby947ys3bb7p8py2li7vj67-iets-langtests.drv'
iets-langtests> pass=291 fail=0
iets-langtests> 

upload niks3: ok