these 2 derivations will be built: /nix/store/2ynvjbi6sxz3pjzkpfdz62q79vwvxd9x-llm-agents-launcher.drv /nix/store/prg8r7vsqgif1qr2l6pxjagb3kmnq1k0-check-default.drv building '/nix/store/2ynvjbi6sxz3pjzkpfdz62q79vwvxd9x-llm-agents-launcher.drv' llm-agents-launcher> structuredAttrs is enabled building '/nix/store/prg8r7vsqgif1qr2l6pxjagb3kmnq1k0-check-default.drv' upload niks3: ok