these 2 derivations will be built:
  /nix/store/88qb866aj9y0qqy17hc2cxx7674ij3i0-iets-0.1.0.drv
  /nix/store/bj5swall5ini7lmar1qjc5b3ci1v1ywq-iets-langtests.drv
building '/nix/store/bj5swall5ini7lmar1qjc5b3ci1v1ywq-iets-langtests.drv'
iets-langtests> pass=290 fail=0
iets-langtests> 

upload niks3: ok