these 2 derivations will be built:
  /nix/store/cchlnk511kvjqc91ynca9ij6ds4q8i48-iets-0.1.0.drv
  /nix/store/rrn5kam3sb72sn1r470kbywh2sjlv1li-iets-langtests.drv
building '/nix/store/rrn5kam3sb72sn1r470kbywh2sjlv1li-iets-langtests.drv'
iets-langtests> pass=290 fail=0
iets-langtests> 

upload niks3: ok