# Pastebin gbYrtqXw
substitute: updating substitutes from 'https://ci.guix.info'...   3.8%Backtrace:
substitute:            1 (primitive-load "/var/guix/profiles/per-user/root/curre…")
substitute: In guix/ui.scm:
substitute:   1639:12  0 (run-guix-command _ . _)
substitute:
substitute: guix/ui.scm:1639:12: In procedure run-guix-command:
substitute: Throw to key `bad-response' with args `("Bad Response-Line: ~s" (""))'.
guix build: error: substituter `substitute' died unexpectedly