these 2 derivations will be built:
  /nix/store/lrzfsg85gmcknxhyz7pnj1727b09kmkj-flake-inputs.drv
  /nix/store/dl0f2y2wsm3xair7ixf1k2nqs4nm2hnh-check-flake-inputs.drv
building '/nix/store/lrzfsg85gmcknxhyz7pnj1727b09kmkj-flake-inputs.drv'
building '/nix/store/dl0f2y2wsm3xair7ixf1k2nqs4nm2hnh-check-flake-inputs.drv'

upload niks3: ok