these 2 derivations will be built: /nix/store/4xdlsg4wirffcysmwlr8zylvddvkhp8c-flake-inputs.drv /nix/store/pv18kqrbm21jz3c6z0pid4diz1hi3s01-check-flake-inputs.drv building '/nix/store/4xdlsg4wirffcysmwlr8zylvddvkhp8c-flake-inputs.drv' building '/nix/store/pv18kqrbm21jz3c6z0pid4diz1hi3s01-check-flake-inputs.drv' upload niks3: ok