Output follows:

hint: Consider installing the `glibc-locales' package and defining
`GUIX_LOCPATH', along these lines:

     guix install glibc-locales
     export GUIX_LOCPATH="$HOME/.guix-profile/lib/locale"

See the "Application Setup" section in the manual, for more info.

Updating channel 'guix' from Git repository at '
https://git.savannah.gnu.org/git/guix.git'...
Building from this channel:
  guix      https://git.savannah.gnu.org/git/guix.git abb9f60
Computing Guix derivation for 'x86_64-linux'... /Backtrace:
          17 (primitive-load
"/gnu/store/471kd49s8c1gja915yk50cng7zizyv9y-compute-guix-derivation")
In ice-9/eval.scm:
    155:9 16 (_ _)
    159:9 15 (_ #(#(#(#(#(#(#(#(#(#(#(#(#(#(#(#(#<directory (guile-u?> ?)
?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?))
In ice-9/boot-9.scm:
    152:2 14 (with-fluid* _ _ _)
    152:2 13 (with-fluid* _ _ _)
In ./guix/store.scm:
  2210:24 12 (run-with-store #<store-connection 256.99 7f851b5450a0>
#<procedure 7f84fb1b0140 at ./guix/self.scm:13?> ?)
   2038:8 11 (_ #<store-connection 256.99 7f851b5450a0>)
In ./guix/gexp.scm:
   300:22 10 (_ #<store-connection 256.99 7f851b5450a0>)
   1218:2  9 (_ #<store-connection 256.99 7f851b5450a0>)
   1085:2  8 (_ #<store-connection 256.99 7f851b5450a0>)
    926:4  7 (_ #<store-connection 256.99 7f851b5450a0>)
In ./guix/store.scm:
  2095:12  6 (_ #<store-connection 256.99 7f851b5450a0>)
   1433:5  5 (map/accumulate-builds #<store-connection 256.99 7f851b5450a0>
#<procedure 7f8509353380 at ./guix/stor?> ?)
  1449:15  4 (_ #<store-connection 256.99 7f851b5450a0>
("/gnu/store/a5893a538104sw14mkyhczfvml1vlz7c-guix-daemo?" ?) ?)
  1449:15  3 (loop #f)
   746:11  2 (process-stderr #<store-connection 256.99 7f851b5450a0> _)
In ./guix/serialization.scm:
   101:11  1 (read-int #<input-output: file 10>)
     79:6  0 (get-bytevector-n* #<input-output: file 10> 8)

./guix/serialization.scm:79:6: In procedure get-bytevector-n*:
ERROR:
  1. &nar-error:
      file: #f
      port: #<input-output: file 10>
guix pull: error: You found a bug: the program
'/gnu/store/471kd49s8c1gja915yk50cng7zizyv9y-compute-guix-derivation'
failed to compute the derivation for Guix (version:
"abb9f60109edab8c35297596a25e63c2565ac284"; system: "x86_64-linux";
host version: "85a603f58b9b6fef86984a3b2cfc27bd13314ba1"; pull-version: 1).
Please report the COMPLETE output above by email to <bug-guix@gnu.org>.

-- 
*Mauro Panigada*
https://www.mauropanigada.net
http://shintakezou.blogspot.com