these 2 derivations will be built: /nix/store/6w1ggxkybv6gl1jv99332hcggaxj8vmi-flake-inputs.drv /nix/store/dgj3krr01a2f5wvlj11nl6nq7icrb4b9-check-flake-inputs.drv building '/nix/store/6w1ggxkybv6gl1jv99332hcggaxj8vmi-flake-inputs.drv' building '/nix/store/dgj3krr01a2f5wvlj11nl6nq7icrb4b9-check-flake-inputs.drv' upload niks3: ok