these 2 derivations will be built:
  /nix/store/nk2vsv806n593vvyg08icymzcdkd48sm-flake-inputs.drv
  /nix/store/vif3yz47238pigqi3iarrjjlsb0pf86v-check-flake-inputs.drv
building '/nix/store/nk2vsv806n593vvyg08icymzcdkd48sm-flake-inputs.drv'
building '/nix/store/vif3yz47238pigqi3iarrjjlsb0pf86v-check-flake-inputs.drv'

upload niks3: ok