substitute: updating substitutes from 'https://ci.guix.gnu.org'... 100.0%
substitute: updating substitutes from 'https://ci.guix.gnu.org'...   0.0%Backtrace:
substitute:             3 (apply-smob/1 #<catch-closure f9f100>)
substitute: In ice-9/boot-9.scm:
substitute:     705:2   2 (call-with-prompt _ _ #<procedure default-prompt-handle...>)
substitute: In ice-9/eval.scm:
substitute:     619:8   1 (_ #(#(#<directory (guile-user) 103b140>)))
substitute: In guix/ui.scm:
substitute:   1747:12   0 (run-guix-command _ . _)
substitute:
substitute:   guix/ui.scm:1747:12: In procedure run-guix-command:
substitute:   Bad Read-Header-Line header: #<eof>
substitute:
guix system: error: corrupt input while restoring archive from #<closed: file 2a51460>

Command failed with exit code 1.