these 2 derivations will be built: /nix/store/9npldjsxamn4jdqsr3ssibnj3ly9lvzz-flake-inputs.drv /nix/store/p0q5k5mz7y0idzyvrbchk4sq7ff2ilva-check-flake-inputs.drv building '/nix/store/9npldjsxamn4jdqsr3ssibnj3ly9lvzz-flake-inputs.drv' building '/nix/store/p0q5k5mz7y0idzyvrbchk4sq7ff2ilva-check-flake-inputs.drv' upload niks3: ok