I have an up-to-date Guix but am unable to fetch the substitute from http://ci.guix.gnu.org/build/1332269/details
Are substitutes only available after the evaluation has completed? --8<---------------cut here---------------start------------->8--- $ guix describe Generation 9 May 09 2023 15:18:11 (current) guix c1ffe2f repository URL: https://git.savannah.gnu.org/git/guix.git branch: master commit: c1ffe2f21bd1b9ba6bd527bbabe130144a69af71 guix install ungoogled-chromium The following package will be installed: ungoogled-chromium 112.0.5615.165-1 The following derivations will be built: /gnu/store/lxix0vxmgdvvddk6wl2fdag7vrqhklky-profile.drv /gnu/store/92l92ljnq20q09bvjxlw42n5gl8shf38-ungoogled-chromium-112.0.5615.165-1.drv 611.0 MB will be downloaded chromium-112.0.5615.165.tar.xz 583.6MiB --8<---------------cut here---------------end--------------->8---