these 2 derivations will be built: /nix/store/afxfb7zb6nb1gylqs1rw7wax2kvir25f-flake-inputs.drv /nix/store/5g2i7f8p8zggq45z8p52q6fpab738z8h-check-flake-inputs.drv building '/nix/store/afxfb7zb6nb1gylqs1rw7wax2kvir25f-flake-inputs.drv' building '/nix/store/5g2i7f8p8zggq45z8p52q6fpab738z8h-check-flake-inputs.drv' upload niks3: ok