these 2 derivations will be built:
  /nix/store/vjjb21jgd0n1fvh48b8d1ddj2yfbkmyc-flake-inputs.drv
  /nix/store/apb7pc2hxzrgxzc1wfdgpjj7g9pbwd9n-check-flake-inputs.drv
building '/nix/store/vjjb21jgd0n1fvh48b8d1ddj2yfbkmyc-flake-inputs.drv'
building '/nix/store/apb7pc2hxzrgxzc1wfdgpjj7g9pbwd9n-check-flake-inputs.drv'

upload niks3: ok