these 2 derivations will be built:
  /nix/store/vfwcha69043j8gwn39ad8nsmqqr3w7mg-iets-0.1.0.drv
  /nix/store/mx3z0x1xpisv240akp978ccdvrx8ddxm-iets-langtests.drv
building '/nix/store/mx3z0x1xpisv240akp978ccdvrx8ddxm-iets-langtests.drv'
iets-langtests> pass=291 fail=0
iets-langtests> 

upload niks3: ok