these 2 derivations will be built:
  /nix/store/zimxfjpvms8nvcx82258s12g74wxrz48-iets-0.1.0.drv
  /nix/store/3678aiiylgar1vf7bm9vf94x00fhlpyk-iets-langtests.drv
building '/nix/store/3678aiiylgar1vf7bm9vf94x00fhlpyk-iets-langtests.drv'
iets-langtests> pass=291 fail=0
iets-langtests> 

upload niks3: ok