these 2 derivations will be built:
  /nix/store/ycx504fn2jy7rwr1ajscl6g3n1r1jwbz-flake-inputs.drv
  /nix/store/r96d763f9if2bd4s2xq9hmcjqvkqkskm-check-flake-inputs.drv
building '/nix/store/ycx504fn2jy7rwr1ajscl6g3n1r1jwbz-flake-inputs.drv'
building '/nix/store/r96d763f9if2bd4s2xq9hmcjqvkqkskm-check-flake-inputs.drv'

upload niks3: ok