these 2 derivations will be built:
  /nix/store/9drr87nqs1nyq279cp09k7y7012w8sjy-flake-inputs.drv
  /nix/store/waxwiyhh86pba20jdkcvzhgl8842ihzh-check-flake-inputs.drv
building '/nix/store/9drr87nqs1nyq279cp09k7y7012w8sjy-flake-inputs.drv'
building '/nix/store/waxwiyhh86pba20jdkcvzhgl8842ihzh-check-flake-inputs.drv'

upload niks3: ok