these 2 derivations will be built:
  /nix/store/jihiacxw39ziis07i30ira656bpg60wa-iets-0.1.0.drv
  /nix/store/zq30clpv6lwd0d73lisyg2l61si8grc2-iets-langtests.drv
building '/nix/store/zq30clpv6lwd0d73lisyg2l61si8grc2-iets-langtests.drv'
iets-langtests> pass=291 fail=0
iets-langtests> 

upload niks3: ok