these 2 derivations will be built: /nix/store/d5303vlsn6bx1mby9scaw14nq8c63yf1-flake-inputs.drv /nix/store/80kii9jgklvqdy47qgr9x6ljzrl8hc11-check-flake-inputs.drv building '/nix/store/d5303vlsn6bx1mby9scaw14nq8c63yf1-flake-inputs.drv' building '/nix/store/80kii9jgklvqdy47qgr9x6ljzrl8hc11-check-flake-inputs.drv' upload niks3: ok