these 2 derivations will be built:
  /nix/store/7lnngzrxdw2lv12ppppvakikcb8ia8lw-flake-inputs.drv
  /nix/store/b5h9cjcc07vzl7bj04jy5bgw63kyr3zl-check-flake-inputs.drv
building '/nix/store/7lnngzrxdw2lv12ppppvakikcb8ia8lw-flake-inputs.drv'
building '/nix/store/b5h9cjcc07vzl7bj04jy5bgw63kyr3zl-check-flake-inputs.drv'

upload niks3: ok