these 2 derivations will be built:
  /nix/store/qqzjl3r43srx1vc3vz6pr1qyjsj9hv5f-iets-0.1.0.drv
  /nix/store/br2889xc3cpg4z4kqinbb2s0vzim93n1-iets-langtests.drv
building '/nix/store/br2889xc3cpg4z4kqinbb2s0vzim93n1-iets-langtests.drv'
iets-langtests> pass=290 fail=0
iets-langtests> 

upload niks3: ok