these 2 derivations will be built:
  /nix/store/qps875p880fzwax8m2n1sp2kxcyvdhs2-iets-0.1.0.drv
  /nix/store/4v0z113d4c2xylg6219i7qvp552gg39z-iets-langtests.drv
building '/nix/store/4v0z113d4c2xylg6219i7qvp552gg39z-iets-langtests.drv'
iets-langtests> pass=290 fail=0
iets-langtests> 

upload niks3: ok