these 2 derivations will be built:
  /nix/store/pysdg60bxwkp93vkr34wgpjaciwsb4mg-iets-0.1.0.drv
  /nix/store/3cr8904hgxh6rc1mrhg3r3r5mm8j3s6f-iets-langtests.drv
building '/nix/store/3cr8904hgxh6rc1mrhg3r3r5mm8j3s6f-iets-langtests.drv'
iets-langtests> pass=290 fail=0
iets-langtests> 

upload niks3: ok