Dear, Guix Bug! This is not fatal, but if you want here what I've seen while update. How to react on warnings and fails?
#guix pull guix ...2f24b9c... ... ion-record-port' ;;; Failed to autoload make-session in (gnutls): ;;; missing interface for module (gnutls) ;;; Failed to autoload make-session in (gnutls): ;;; missing interface for module (gnutls) ;;; Failed to autoload connection-end/client in (gnutls): ;;; missing interface for module (gnutls) ;;; guix/discovery.scm:90:22: warning: non-literal format string ;;; guix/profiles.scm:1629:20: warning: non-literal format string ;;; guix/profiles.scm:1635:20: warning: non-literal format string ;;; guix/profiles.scm:1644:16: warning: non-literal format string ;;; guix/profiles.scm:1648:16: warning: non-literal format string ;;; guix/ui.scm:175:5: warning: non-literal format string ;;; guix/ui.scm:320:2: warning: non-literal format string ;;; guix/ui.scm:338:22: warning: non-literal format string ;;; guix/ui.scm:366:13: warning: non-literal format string ;;; guix/ui.scm:359:7[40/40] Compiling './guix/utils.scm'... : warning: non-literal format string ;;; guix/ui.scm:354:11: warning: non-literal format string ;;; guix/ui.scm:390:7: warning: non-literal format string ;;; guix/ui.scm:487:2: warning: non-literal format string ;;; guix/ui.scm:489:2: warning: non-literal format string ;;; guix/ui.scm:600:22: warning: non-literal format string ;;; guix/ui.scm:603:22: warning: non-literal format string ;;; guix/ui.scm:713:13: warning: non-literal format string ;;; guix/ui.scm:899:14: warning: non-literal format string ;;; guix/ui.scm:924:14: warning: non-literal format string ;;; guix/ui.scm:1436:18: warning: non-literal format string ;;; guix/ui.scm:1451:10: warning: non-literal format string ;;; guix/ui.scm:1494:2: warning: non-literal format string ;;; guix/ui.scm:1510:2: warning: non-literal format string ;;; guix/ui.scm:1540:2: warning: non-literal format string ;;; guix/ui.scm:1569:2: warning: non-literal format string ;;; guix/ui.scm:1572:2: warning: non-literal format string ;;; guix/ui.scm:1591:8: warning: non-literal format string ;;; guix/ui.scm:1629:5: warning: non-literal format string ;;; guix/ui.scm:1621:5: warning: non-literal format string ...building /gnu/store/98aj7wckcsjcgkb3v0q6b7lvl8lch0ck-guix-core.drv... loading... 86.8% of 38 files Now it's going on, but if this has sense, I report.