bug#44949: Error while running 'guix pull'

[Brandon Morales]

Hello friends,

Today while running 'guix pull', I got the following error:

$ guix pull
Updating channel 'guix' from Git repository at 
'https://git.savannah.gnu.org/git/guix.git'...
Authenticating channel 'guix', commits 9edb3f6 to 3682638 (272 new commits)...
Building from this channel:
  guix      https://git.savannah.gnu.org/git/guix.git   3682638
substitute: updating substitutes from 'https://ci.guix.gnu.org'... 100.0%
substitute: updating substitutes from 'https://ci.guix.gnu.org'... 100.0%
substitute: updating substitutes from 'https://ci.guix.gnu.org'... 100.0%
downloading from 
https://ci.guix.gnu.org/nar/lzip/gachdnr0lmzazh79vk93wbp8rpmd84g6-module-import 
...
 module-import  2KiB                                                            
                                                 70KiB/s 00:00 
[##################] 100.0%

downloading from 
https://ci.guix.gnu.org/nar/lzip/kwga7mhm2iqq4vvjjhq0yadcpzpwvbfb-module-import-compiled
 ...
 module-import-compiled                                                         
                                                       1.3MiB/s 00:01 | 1.9MiB 
transferred

downloading from 
https://ci.guix.gnu.org/nar/gzip/smvqhjsr07cvrxh46grnxks6r7jy345m-compute-guix-derivation
 ...
 compute-guix-derivation  861B                                                  
                                                136KiB/s 00:00 
[##################] 100.0%

Computing Guix derivation for 'x86_64-linux'... -Backtrace:
           6 (primitive-load 
"/gnu/store/smvqhjsr07cvrxh46grnxks6r7jy345m-compute-guix-derivation")
In ice-9/eval.scm:
    155:9  5 (_ _)
    159:9  4 (_ #(#(#(#(#(#(#(#(#(#(#(#(#(#<directory (guile-user) 7fcd5d37ef?> 
?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?))
In ./guix/store.scm:
  2049:24  3 (run-with-store #<store-connection 256.99 7fcd5b7035f0> _ 
#:guile-for-build _ #:system _ #:target _)
In ./guix/self.scm:
  1254:16  2 (_ _)
    788:2  1 (compiled-guix 
"/gnu/store/sk1isq2yqhmjrkhllhy4l7k1bk75bgi8-guix-3682638" #:version _ 
#:pull-version _ # ?)
In ice-9/boot-9.scm:
  2828:12  0 (module-ref _ _ . _)

ice-9/boot-9.scm:2828:12: In procedure module-ref:
No variable named guile-avahi in #<interface (gnu packages guile) 7fcd5b76ff00>
guix pull: error: You found a bug: the program 
'/gnu/store/smvqhjsr07cvrxh46grnxks6r7jy345m-compute-guix-derivation'
failed to compute the derivation for Guix (version: 
"36826389105fb7cf9037c5214ed9a6e37c83ad57"; system: "x86_64-linux";
host version: "4a914de930a8317cab5bc11bdb608e3a3da3d1ad"; pull-version: 1).