Hi Guix,

I've noticed that sbcl-fast-generic-functions is failed to build since
<12 Sep 2023 18:35> see <http://ci.guix.gnu.org/build/3239202/details>.

Keep it tracked in issues for the future fix.

--8<---------------cut here---------------start------------->8---
; caught ERROR:
;   READ error during COMPILE-FILE:
;
;     Lock on package SB-PCL violated when interning %NO-PRIMARY-METHOD while in
;     package FAST-GENERIC-FUNCTIONS.
;   See also:
;     The SBCL Manual, Node "Package Locks"
;
;     (in form starting at line: 3, column: 0, position: 39)

; compilation aborted after 0:00:00.000
Unhandled UIOP/LISP-BUILD:COMPILE-FILE-ERROR in thread #<SB-THREAD:THREAD tid=28 "main thread" RUNNING
                                                          {1001460003}>:
  COMPILE-FILE-ERROR while compiling
   #<CL-SOURCE-FILE "fast-generic-functions" "expand-effective-method-body">
--8<---------------cut here---------------end--------------->8---


--
Oleg