these 2 derivations will be built: /nix/store/ssrp2p7zhy75cgmsmb5yavpa1fjzkxni-flake-inputs.drv /nix/store/767chywhbkwngbfqj4va6pcwjr801pgy-check-flake-inputs.drv building '/nix/store/ssrp2p7zhy75cgmsmb5yavpa1fjzkxni-flake-inputs.drv' building '/nix/store/767chywhbkwngbfqj4va6pcwjr801pgy-check-flake-inputs.drv' upload niks3: ok