these 2 derivations will be built: /nix/store/cpjsqyrkzv426qk0bqi1gpd9lznchdkg-flake-inputs.drv /nix/store/rmkkb9nb2xibhvjhk0y2rhipp2fmrvd0-check-flake-inputs.drv building '/nix/store/cpjsqyrkzv426qk0bqi1gpd9lznchdkg-flake-inputs.drv' building '/nix/store/rmkkb9nb2xibhvjhk0y2rhipp2fmrvd0-check-flake-inputs.drv' upload niks3: ok