these 2 derivations will be built: /nix/store/8vk8i68x0b6jpkkifczis5abj9vi4hwi-flake-inputs.drv /nix/store/if4lis4dngqdr26b8pdfpqlf1lcaq90i-check-flake-inputs.drv building '/nix/store/8vk8i68x0b6jpkkifczis5abj9vi4hwi-flake-inputs.drv' building '/nix/store/if4lis4dngqdr26b8pdfpqlf1lcaq90i-check-flake-inputs.drv' upload niks3: ok