these 2 derivations will be built:
  /nix/store/d3jki0d0dq00x1sizhf7nsm2grfi4678-flake-inputs.drv
  /nix/store/rrzarrcfsin5bwp0d2086pngfllhndnm-check-flake-inputs.drv
building '/nix/store/d3jki0d0dq00x1sizhf7nsm2grfi4678-flake-inputs.drv'
building '/nix/store/rrzarrcfsin5bwp0d2086pngfllhndnm-check-flake-inputs.drv'

upload niks3: ok