these 2 derivations will be built: /nix/store/94p6akqm02lw6ph8jic8bvrxcyfj7wbw-flake-inputs.drv /nix/store/kmyc01pm2gjsmhzms5k0869ggnh7g8hs-check-flake-inputs.drv building '/nix/store/94p6akqm02lw6ph8jic8bvrxcyfj7wbw-flake-inputs.drv' building '/nix/store/kmyc01pm2gjsmhzms5k0869ggnh7g8hs-check-flake-inputs.drv' upload niks3: ok