these 2 derivations will be built: /nix/store/3z0qsx1yimnyxkw50lx3xmg5ci97z5ka-flake-inputs.drv /nix/store/5isyb3rld9bjb7rgkx7bghjw23illk8x-check-flake-inputs.drv building '/nix/store/3z0qsx1yimnyxkw50lx3xmg5ci97z5ka-flake-inputs.drv' building '/nix/store/5isyb3rld9bjb7rgkx7bghjw23illk8x-check-flake-inputs.drv' upload niks3: ok