these 2 derivations will be built:
  /nix/store/qfmpks8kb2zm5yagr2pl8if3q00pic6w-iets-0.1.0.drv
  /nix/store/kklygv8pj7zkslsffkrxripg08k17a2x-iets-langtests.drv
building '/nix/store/kklygv8pj7zkslsffkrxripg08k17a2x-iets-langtests.drv'
iets-langtests> pass=290 fail=0
iets-langtests> 

upload niks3: ok