these 2 derivations will be built:
  /nix/store/sh16gh8pp92zfwqmsqfcvla2vqsz5das-iets-0.1.0.drv
  /nix/store/q495c2k7pzkiivn5ri3720p0g6v8z5v5-iets-langtests.drv
building '/nix/store/q495c2k7pzkiivn5ri3720p0g6v8z5v5-iets-langtests.drv'
iets-langtests> pass=290 fail=0
iets-langtests> 

upload niks3: ok