these 2 derivations will be built:
  /nix/store/ixvxqpcdmdd0b2pyvf8d8n42mjgnw40j-iets-0.1.0.drv
  /nix/store/4dpymjrml711c3di9ics2933jwa8l3ws-iets-langtests.drv
building '/nix/store/4dpymjrml711c3di9ics2933jwa8l3ws-iets-langtests.drv'
iets-langtests> pass=290 fail=0
iets-langtests> 

upload niks3: ok