Hi, What commit is this from? I just ran "make check" on 86228e569baaf1de0bfbb692fb2821df23f98b4a and although I do get one test failure, it looks very different from what you have shared. Some more questions to help troubleshoot: - Does it still fail when you build from a fresh checkout? - Does it still fail when you delete your ~/.cache/guile/ccache directory? This is Guile's cache for compiled .go files, and sometimes old .go files can cause strange problems. See "Environment Variables" in the Guile manual for more information about the cache. -- Chris