these 2 derivations will be built:
  /nix/store/zz2kkwwqbcxvqapqvp8ajah4mf04ykm2-iets-0.1.0.drv
  /nix/store/0k9b00s1rnvak46p1p5zfrwdpxjk2zbw-iets-langtests.drv
building '/nix/store/0k9b00s1rnvak46p1p5zfrwdpxjk2zbw-iets-langtests.drv'
iets-langtests> pass=291 fail=0
iets-langtests> 

upload niks3: ok