Sounds like you might have stale .go files somewhere maybe?

Le 19 mars 2021 20:01:44 GMT-04:00, Mark H Weaver <mhw@netris.org> a écrit :
>This is at commit 1955ef93b76e51cab5bed4c90f7eb9df7035355a on the
>master
>branch, plus some local patches on my private branch which I suspect
>are
>irrelevant to this:
>
>--8<---------------cut here---------------start------------->8---
>mhw@jojen ~$ guix graph --path gtk+ imagemagick
>Backtrace:
>In ice-9/boot-9.scm:
>1736:10 13 (with-exception-handler _ _ #:unwind? _ #:unwind-for-type _)
>In unknown file:
>          12 (apply-smob/0 #<thunk 7fc164214520>)
>In ice-9/boot-9.scm:
>718:2 11 (call-with-prompt _ _ #<procedure default-prompt-handler (k
>proc)>)
>In ice-9/eval.scm:
>    619:8 10 (_ #(#(#<directory (guile-user) 7fc164217c80>)))
>In guix/ui.scm:
>  2164:12  9 (run-guix-command _ . _)
>In guix/scripts/graph.scm:
>    573:2  8 (guix-graph . _)
>In ice-9/boot-9.scm:
>1736:10  7 (with-exception-handler _ _ #:unwind? _ #:unwind-for-type _)
>1731:15  6 (with-exception-handler #<procedure 7fc1619c88d0 at
>ice-9/boot-9.scm:1815:7 (exn)> _ #:unwind? _ #:unwind-for-type _)
>1736:10  5 (with-exception-handler _ _ #:unwind? _ #:unwind-for-type _)
>In guix/store.scm:
>   636:37  4 (thunk)
>In guix/scripts/graph.scm:
>   598:37  3 (_ #<store-connection 256.99 7fc1619d4780>)
>   598:37  2 (_ #f)
>In ice-9/boot-9.scm:
>  1669:16  1 (raise-exception _ #:continuable? _)
>  1669:16  0 (raise-exception _ #:continuable? _)
>
>ice-9/boot-9.scm:1669:16: In procedure raise-exception:
>Wrong type to apply: #<syntax-transformer set-grafting>
>mhw@jojen ~$
>--8<---------------cut here---------------end--------------->8---