these 2 derivations will be built:
  /nix/store/7pr82zr78p3nmsxsk2f9mjrv1rdc652f-iets-0.1.0.drv
  /nix/store/74njfv00a43cam1k0030amfmsqgqxia4-iets-langtests.drv
building '/nix/store/74njfv00a43cam1k0030amfmsqgqxia4-iets-langtests.drv'
iets-langtests> pass=290 fail=0
iets-langtests> 

upload niks3: ok