these 2 derivations will be built: /nix/store/83anl4wxjmg1rwm267vxkwr2xfx22r3x-flake-inputs.drv /nix/store/bkfjw1ngb37k2kshyd4367zf9dw7g3xz-check-flake-inputs.drv building '/nix/store/83anl4wxjmg1rwm267vxkwr2xfx22r3x-flake-inputs.drv' building '/nix/store/bkfjw1ngb37k2kshyd4367zf9dw7g3xz-check-flake-inputs.drv' upload niks3: ok