these 2 derivations will be built:
  /nix/store/0wd9i9l5br5k8vaznamcr3hsdk7gxf7i-iets-0.1.0.drv
  /nix/store/l7150jy43ikc8vzmj65s0d68halz5w05-iets-langtests.drv
building '/nix/store/l7150jy43ikc8vzmj65s0d68halz5w05-iets-langtests.drv'
iets-langtests> pass=290 fail=0
iets-langtests> 

upload niks3: ok