these 2 derivations will be built:
  /nix/store/iprn2rf3b33yga7drscc1avhgavd7qc0-iets-0.1.0.drv
  /nix/store/78hmbwiikid7fcv5hp2y3n3x1jigjrzf-iets-langtests.drv
building '/nix/store/78hmbwiikid7fcv5hp2y3n3x1jigjrzf-iets-langtests.drv'
iets-langtests> pass=291 fail=0
iets-langtests> 

upload niks3: ok