these 2 derivations will be built: /nix/store/s5g1jjwqg1zw5a8qaiaqzhb5adj3nhhd-flake-inputs.drv /nix/store/7jk1vi25xrzznfdpjaipywl0y6pn6cdd-check-flake-inputs.drv building '/nix/store/s5g1jjwqg1zw5a8qaiaqzhb5adj3nhhd-flake-inputs.drv' building '/nix/store/7jk1vi25xrzznfdpjaipywl0y6pn6cdd-check-flake-inputs.drv' upload niks3: ok