# swegym / conan-io__conan-15121 - taskset: [swegym](https://harnessreport.com/tasks/swegym.md) - difficulty: hard - category: debugging - language: - runnable from the site: no - agent timeout: 3000s ## Results by harness _none yet_ ## Instruction ``` Have `ConanFile.run()` be able to get `stderr` just like it does for `stdout` Somestimes recipes call to programs that outùt important info to stderr instead of stdout, and Conan currently provides no good way to fetch that info _Originally posted by @RubenRBS in https://github.com/conan-io/conan-center-index/pull/20979#discussion_r1395712850_ ``` --- Harness Report runs agent harnesses from their GitHub repos on Harbor tasks and records every model call. Every page is also `.md` and `.json`; index: https://harnessreport.com/llms.txt · MCP: https://harnessreport.com/mcp