Updating channel 'guix' from Git repository at 'https://git.savannah.gnu.org/git/guix.git'...
Authenticating channel 'guix', commits 9edb3f6 to 5051cba (93 new commits)...
Building from this channel:
  guix      https://git.savannah.gnu.org/git/guix.git   5051cba
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%
 config.scm  501B                                                                    25KiB/s 00:00 [##################] 100.0% git.scm  101B                                                                      122KiB/s 00:00 [##################] 100.0% hash.scm  132B                                                                      75KiB/s 00:00 [##################] 100.0% module-import  2KiB                                                                137KiB/s 00:00 [##################] 100.0% module-import  2KiB                                                                276KiB/s 00:00 [##################] 100.0% module-import-compiled  1.2MiB                                                     3.7MiB/s 00:00 [##################] 100.0% module-import-compiled  1.2MiB                                                     4.0MiB/s 00:00 [##################] 100.0%building /gnu/store/h38jgkgcdhhpjz7s0zvgqi2kk1hz5jay-compute-guix-derivation.drv...
 curl-7.84.0-doc  667KiB                                                          953.6MiB/s 00:00 [##################] 100.0% openssl-1.1.1l  1.6MiB                                                             4.5MiB/s 00:00 [##################] 100.0% mit-krb5-1.19.2  1.0MiB                                                            6.4MiB/s 00:00 [##################] 100.0% curl-7.84.0  389KiB                                                                317KiB/s 00:01 [##################] 100.0%substitute: updating substitutes from 'https://ci.guix.gnu.org'... 100.0%
 expat-2.4.1  97KiB                                                                 329KiB/s 00:00 [##################] 100.0% curl-7.79.1  377KiB                                                                1.9MiB/s 00:00 [##################] 100.0% dbus-1.12.20  266KiB                                                               755KiB/s 00:00 [##################] 100.0% git-minimal-2.38.1  4.5MiB                                                         5.4MiB/s 00:01 [##################] 100.0% guix-daemon-1.4.0rc1-1.9ccc94a  259KiB                                             1.0MiB/s 00:00 [##################] 100.0% libgit2-1.3.0  590KiB                                                              3.0MiB/s 00:00 [##################] 100.0% libssh-0.9.6  236KiB                                                               878KiB/s 00:00 [##################] 100.0% guile-git-0.5.2  417KiB                                                            1.8MiB/s 00:00 [##################] 100.0% guile-ssh-0.15.1  213KiB                                                           627KiB/s 00:00 [##################] 100.0% util-linux-2.37.2-lib  3.1MiB                                                      9.7MiB/s 00:00 [##################] 100.0% guile-ssh-0.15.1-debug  212KiB                                                     1.0MiB/s 00:00 [##################] 100.0% glib-2.70.2  2.5MiB                                                                4.3MiB/s 00:01 [##################] 100.0% avahi-0.8  349KiB                                                                518.8MiB/s 00:00 [##################] 100.0% guile-avahi-0.4.0-1.6d43caf  51KiB                                                  39KiB/s 00:01 [##################] 100.0% gnutls-3.7.2-doc  1.0MiB                                                           2.4MiB/s 00:00 [##################] 100.0% gnutls-3.7.2-debug  4.5MiB                                                        6.56GiB/s 00:00 [################# ]  97.\Backtrace:
In ice-9/eval.scm:
    155:9 19 (_ _)
    159:9 18 (_ #(#(#(#(#(#(#(#(#(#(#(#(#(#(#(#(#<directory (guile-u?> ?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?))
In ice-9/boot-9.scm:
    152:2 17 (with-fluid* _ _ _)
    152:2 16 (with-fluid* _ _ _)
In ./guix/store.scm:
  2170:24 15 (run-with-store #<store-connection 256.99 7f1301e92140> #<procedure 7f1300fed050 at ./guix/self.scm:13?> ?)
   1998:8 14 (_ #<store-connection 256.99 7f1301e92140>)
In ./guix/gexp.scm:
   299:22 13 (_ #<store-connection 256.99 7f1301e92140>)
   1180:2 12 (_ #<store-connection 256.99 7f12f7d788c0>)
   1046:2 11 (_ #<store-connection 256.99 7f12f7d788c0>)
    892:4 10 (_ #<store-connection 256.99 7f12f7d788c0>)
In ./guix/store.scm:
  2055:12  9 (_ #<store-connection 256.99 7f12f7d788c0>)
  1407:13  8 (map/accumulate-builds #<store-connection 256.99 7f12f7d788c0> #<procedure 7f12f08ca4c0 at ./guix/stor?> ?)
  1407:13  7 (map/accumulate-builds #<store-connection 256.99 7f12f7d788c0> #<procedure 7f12e67ab440 at ./guix/stor?> ?)
  1407:13  6 (map/accumulate-builds #<store-connection 256.99 7f12f7d788c0> #<procedure 7f12e4783c40 at ./guix/stor?> ?)
   1403:5  5 (map/accumulate-builds #<store-connection 256.99 7f12f7d788c0> #<procedure 7f12e6ecb3a0 at ./guix/stor?> ?)
  1419:15  4 (_ #<store-connection 256.99 7f12f7d788c0> ("/gnu/store/hvjrj0dmfjfh95wr5xn1hgwyw2nyaqlc-subversion?" ?) ?)
  1419:15  3 (loop #f)
   713:11  2 (process-stderr #<store-connection 256.99 7f12f7d788c0> _)
In ./guix/serialization.scm:
   102:11  1 (read-int #<input-output: file 10>)
     80:6  0 (get-bytevector-n* #<input-output: file 10> 8)

./guix/serialization.scm:80:6: 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/xs8jfdbv4narr674bn22k0vzi4vi7k93-compute-guix-derivation'
failed to compute the derivation for Guix (version: "5051cbaeeeb06bbd9c73b2581ebb581887827143"; system: "x86_64-linux";
host version: "b94724e8b2102be0fe9d19e9dfe44d6f7101bd4b"; pull-version: 1).
Please report the COMPLETE output above by email to <bug-guix@gnu.org>.