I ran guix pull​ and got this


```
$ guix pull
Updating channel 'guix' from Git repository at 'https://git.savannah.gnu.org/git/guix.git'...
Authenticating channel 'guix', commits 9edb3f6 to 2730ed9 (4,844 new commits)...
Building from this channel:
  guix      https://git.savannah.gnu.org/git/guix.git 2730ed9
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%
 module-import  2KiB                                                                                     30KiB/s 00:00 [##################] 100.0%
 module-import-compiled  1.8MiB                                                                         963KiB/s 00:02 [##################] 100.0%
 compute-guix-derivation  1005B                                                                         169KiB/s 00:00 [##################] 100.0%
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%
substitute: updating substitutes from 'https://ci.guix.gnu.org'... 100.0%
substitute: updating substitutes from 'https://ci.guix.gnu.org'... 100.0%
Backtrace:
          15 (primitive-load "/gnu/store/yh6dqsa7j8xwx1cpkqd2w55ylhkhwd39-compute-guix-derivation")
In ice-9/eval.scm:
    155:9 14 (_ _)
    159:9 13 (_ #(#(#(#(#(#(#(#(#(#(#(#(#(#(#(#(#<directory (guile-u?> ?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?))
In ice-9/boot-9.scm:
    152:2 12 (with-fluid* _ _ _)
    152:2 11 (with-fluid* _ _ _)
In ./guix/store.scm:
  2108:24 10 (run-with-store #<store-connection 256.99 7efe25e2f280> _ #:guile-for-build _ #:system _ #:target _)
   1945:8  9 (_ _)
In ./guix/gexp.scm:
   275:18  8 (_ _)
   1156:2  7 (_ _)
   1022:2  6 (_ _)
    868:4  5 (_ _)
In ./guix/store.scm:
  1993:12  4 (_ #<store-connection 256.99 7efe25e2f280>)
   1395:5  3 (map/accumulate-builds #<store-connection 256.99 7efe25e2f280> _ _)
  1406:15  2 (_ #<store-connection 256.99 7efe25e2f280> _ _)
   733:11  1 (process-stderr #<store-connection 256.99 7efe25e2f280> _)
In ./guix/serialization.scm:
     80:6  0 (read-int #<input-output: file 10>)

./guix/serialization.scm:80:6: In procedure read-int:
ERROR:
  1. &nar-error:
      file: #f
      port: #<input-output: file 10>
guix pull: error: You found a bug: the program '/gnu/store/yh6dqsa7j8xwx1cpkqd2w55ylhkhwd39-compute-guix-derivation'
failed to compute the derivation for Guix (version: "2730ed9a0e905c4d8b9303f1454620a648822b21"; system: "x86_64-linux";
host version: "1.3.0"; pull-version: 1).
Please report it by email to <bug-guix@gnu.org>.
```

I am also getting this error if that helps: https://stackoverflow.com/questions/68734637/guix-failed-to-get-list-of-supplementary-groups-for-ben
[https://cdn.sstatic.net/Sites/stackoverflow/Img/apple-touch-icon@2.png?v=73d79a89bded]<https://stackoverflow.com/questions/68734637/guix-failed-to-get-list-of-supplementary-groups-for-ben>
guix: failed to get list of supplementary groups for ‘ben’ - Stack Overflow<https://stackoverflow.com/questions/68734637/guix-failed-to-get-list-of-supplementary-groups-for-ben>
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