I've recently submitted a patch to builds.sr.ht to support guix build image. While installing guix binary on foreign distro via guix-install.sh, it appears that the installer outputs invalid utf-8 characters[1].
References: [1] https://lists.sr.ht/~sircmpwn/sr.ht-dev/patches/25167#%3CCEH30J59XCDH.3NMOSL8GGLIRF@taiga%3E
