these 2 derivations will be built:
  /nix/store/psyff3azffag4y4dn6yf3qx2v7zf2277-iets-0.1.0.drv
  /nix/store/cvqj7yfkli2gpdmkcxahdmwv4cyr01k8-iets-langtests.drv
building '/nix/store/cvqj7yfkli2gpdmkcxahdmwv4cyr01k8-iets-langtests.drv'
iets-langtests> pass=290 fail=0
iets-langtests> 

upload niks3: ok