these 2 derivations will be built: /nix/store/zxd1rsv4rlj3fv9zynn85d8b0497nrcs-flake-inputs.drv /nix/store/345zs0wx9dck3ilfwrla1qiy6zh8bvrb-check-flake-inputs.drv building '/nix/store/zxd1rsv4rlj3fv9zynn85d8b0497nrcs-flake-inputs.drv' building '/nix/store/345zs0wx9dck3ilfwrla1qiy6zh8bvrb-check-flake-inputs.drv' upload niks3: ok