these 3 derivations will be built:
  /nix/store/8wmliw8njnc93wifgkn9s35642b3665w-iets-deps-0.1.0.drv
  /nix/store/s1nngg6l1853bndmizkzq9sfz10kg66j-iets-0.1.0.drv
  /nix/store/ggwr7vj5pq154r0jyk4vvpvsgakj4yaf-iets-langtests.drv
building '/nix/store/ggwr7vj5pq154r0jyk4vvpvsgakj4yaf-iets-langtests.drv'
iets-langtests> pass=291 fail=0
iets-langtests> 

upload niks3: ok