these 2 derivations will be built: /nix/store/4jbab5qni0h8fv9l7bjfvc8l31kxipf8-flake-inputs.drv /nix/store/gfhywqv07dfy3lzvnz2c4v354ygjgi27-check-flake-inputs.drv building '/nix/store/4jbab5qni0h8fv9l7bjfvc8l31kxipf8-flake-inputs.drv' building '/nix/store/gfhywqv07dfy3lzvnz2c4v354ygjgi27-check-flake-inputs.drv' upload niks3: ok