Backtrace:
In ice-9/boot-9.scm:
   222:29 19 (map1 (((gnu packages guile-xyz)) ((gnu packages haskell-xyz)) ((gnu packages icu4c)) ((gnu # #)) (#) ?))
   222:29 18 (map1 (((gnu packages haskell-xyz)) ((gnu packages icu4c)) ((gnu packages kerberos)) ((gnu # #)) ((?)) ?))
   222:29 17 (map1 (((gnu packages icu4c)) ((gnu packages kerberos)) ((gnu packages language)) ((gnu packages #)) # ?))
   222:29 16 (map1 (((gnu packages kerberos)) ((gnu packages language)) ((gnu packages libbsd)) ((gnu packages #)) ?))
   222:29 15 (map1 (((gnu packages language)) ((gnu packages libbsd)) ((gnu packages libcanberra)) ((gnu # #)) (#) ?))
   222:29 14 (map1 (((gnu packages libbsd)) ((gnu packages libcanberra)) ((gnu packages libevent)) ((gnu # #)) (#) ?))
   222:29 13 (map1 (((gnu packages libcanberra)) ((gnu packages libevent)) ((gnu packages libffi)) ((gnu # #)) (#) ?))
   222:29 12 (map1 (((gnu packages libevent)) ((gnu packages libffi)) ((gnu packages libidn)) ((gnu packages #)) # ?))
   222:29 11 (map1 (((gnu packages libffi)) ((gnu packages libidn)) ((gnu packages libunistring)) ((gnu # #)) ((?)) ?))
   222:29 10 (map1 (((gnu packages libidn)) ((gnu packages libunistring)) ((gnu packages libunwind)) ((gnu # #)) # ?))
   222:29  9 (map1 (((gnu packages libunistring)) ((gnu packages libunwind)) ((gnu packages linux)) ((gnu # lsof)) ?))
   222:29  8 (map1 (((gnu packages libunwind)) ((gnu packages linux)) ((gnu packages lsof)) ((gnu packages lua)) # ?))
   222:29  7 (map1 (((gnu packages linux)) ((gnu packages lsof)) ((gnu packages lua)) ((gnu packages m4)) ((gnu ?)) ?))
   222:29  6 (map1 (((gnu packages lsof)) ((gnu packages lua)) ((gnu packages m4)) ((gnu packages man)) ((gnu # ?)) ?))
   222:29  5 (map1 (((gnu packages lua)) ((gnu packages m4)) ((gnu packages man)) ((gnu packages maths)) ((gnu ?)) ?))
   222:29  4 (map1 (((gnu packages m4)) ((gnu packages man)) ((gnu packages maths)) ((gnu packages mercury)) ((?)) ?))
   222:29  3 (map1 (((gnu packages man)) ((gnu packages maths)) ((gnu packages mercury)) ((gnu packages ncurses)) # ?))
   222:29  2 (map1 (((gnu packages maths)) ((gnu packages mercury)) ((gnu packages ncurses)) ((gnu packages #)) (#) ?))
   222:17  1 (map1 (((gnu packages mercury)) ((gnu packages ncurses)) ((gnu packages nettle)) ((gnu packages #)) # ?))
   3330:6  0 (resolve-interface (gnu packages mercury) #:select _ #:hide _ #:prefix _ #:renamer _ #:version _)

ice-9/boot-9.scm:3330:6: In procedure resolve-interface:
no code for module (gnu packages mercury)
Computing Guix derivation for 'x86_64-linux'...  Backtrace:
In ice-9/boot-9.scm:
  1784:12 19 (with-exception-handler _ _ #:unwind? _ #:unwind-for-type _)
In guix/store.scm:
   504:37 18 (thunk)
  1856:25 17 (run-with-store #<store-connection 256.100 7ff51a328900> _ #:guile-for-build _ #:system _ #:target _)
In guix/channels.scm:
   1040:2 16 (_ _)
    974:2 15 (_ _)
In guix/monads.scm:
    475:9 14 (_ _)
In guix/store.scm:
   1684:8 13 (_ _)
In guix/channels.scm:
   845:19 12 (_ _)
In guix/store.scm:
   1684:8 11 (_ _)
In guix/channels.scm:
   702:14 10 (_ #<store-connection 256.100 7ff51a328900>)
In guix/store.scm:
  1856:25  9 (run-with-store #<store-connection 256.100 7ff51a328900> _ #:guile-for-build _ #:system _ #:target _)
   1119:8  8 (call-with-build-handler _ _)
   1119:8  7 (call-with-build-handler #<procedure 7ff5193dce70 at guix/channels.scm:715:24 (continue . _)> _)
In guix/channels.scm:
   717:14  6 (_)
In guix/store.scm:
  1856:25  5 (run-with-store #<store-connection 256.100 7ff51a328900> _ #:guile-for-build _ #:system _ #:target _)
In ice-9/eval.scm:
   191:27  4 (_ #(#(#<directory (build-self) 7ff51a2f5b40> #<procedure 7ff509ac5920 at ice-9/eval.scm:333:13 (a)>) #t #<store-connection 256.100 7ff5052edec0>))
In ice-9/boot-9.scm:
  1705:22  3 (raise-exception _ #:continuable? _)
In guix/store.scm:
   511:30  2 (_ _)
In ice-9/boot-9.scm:
  1705:22  1 (raise-exception _ #:continuable? _)
In cuirass/database.scm:
   406:30  0 (_ _)

cuirass/database.scm:406:30: ERROR:
  1. &message: "You found a bug: the program '/gnu/store/6z5afric37ciiilhhkbqr48y4mmri5l3-compute-guix-derivation'\nfailed to compute the derivation for Guix (version: \"890d4233794a95d1b91dcf01ab2c927148ffade5\"; system: \"x86_64-linux\";\nhost version: \"1.5.0-1.deedd48\"; pull-version: 1).\nPlease report the COMPLETE output above to <https://codeberg.org/guix/guix/issues/>.\n"