these 2 derivations will be built:
  /nix/store/l6y0hj4ijg31phzkbkcb25jdh3wjmca6-flake-inputs.drv
  /nix/store/j6a63dp31cjvg73jchnld59h8iakjyff-check-flake-inputs.drv
building '/nix/store/l6y0hj4ijg31phzkbkcb25jdh3wjmca6-flake-inputs.drv'
building '/nix/store/j6a63dp31cjvg73jchnld59h8iakjyff-check-flake-inputs.drv'

upload niks3: ok