Hello all,

When pulling I came across the following which told me to send a report in:

```

anadon@goodadvicemallard:~$ guix pull
Updating channel 'guix' from Git repository at 'https://git.savannah.gnu.org/git/guix.git'...
Authenticating channel 'guix', commits 9edb3f6 to f900045 (533 new commits)...
Building from this channel:
  guix      https://git.savannah.gnu.org/git/guix.git f900045
substitute: /gnu/store/q19l04vd2za80mk1845pz7r8cz29qk43-bash-minimal-4.4.23/bin/bash: warning: setlocale: LC_ALL: cannot change locale (en_US.utf8)
substitute: /gnu/store/q19l04vd2za80mk1845pz7r8cz29qk43-bash-minimal-4.4.23/bin/bash: warning: setlocale: LC_ALL: cannot change locale (en_US.utf8)
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%
/gnu/store/q19l04vd2za80mk1845pz7r8cz29qk43-bash-minimal-4.4.23/bin/bash: warning: setlocale: LC_ALL: cannot change locale (en_US.utf8)
/gnu/store/q19l04vd2za80mk1845pz7r8cz29qk43-bash-minimal-4.4.23/bin/bash: warning: setlocale: LC_ALL: cannot change locale (en_US.utf8)
downloading from https://ci.guix.gnu.org/nar/gzip/808xr7v3h004s0mafxw0v0ibmgpmam3i-module-import ...
 module-import  2KiB                                       539KiB/s 00:00 [##################] 100.0%

/gnu/store/q19l04vd2za80mk1845pz7r8cz29qk43-bash-minimal-4.4.23/bin/bash: warning: setlocale: LC_ALL: cannot change locale (en_US.utf8)
/gnu/store/q19l04vd2za80mk1845pz7r8cz29qk43-bash-minimal-4.4.23/bin/bash: warning: setlocale: LC_ALL: cannot change locale (en_US.utf8)
downloading from https://ci.guix.gnu.org/nar/gzip/izn00974y4pfs39dch1a5lcxc00wscl0-module-import-compiled ...
 module-import-compiled  2.4MiB                             61KiB/s 00:41 [##################] 100.0%

/gnu/store/q19l04vd2za80mk1845pz7r8cz29qk43-bash-minimal-4.4.23/bin/bash: warning: setlocale: LC_ALL: cannot change locale (en_US.utf8)
/gnu/store/q19l04vd2za80mk1845pz7r8cz29qk43-bash-minimal-4.4.23/bin/bash: warning: setlocale: LC_ALL: cannot change locale (en_US.utf8)
downloading from https://ci.guix.gnu.org/nar/gzip/58yx23vgfvx4m1426v0b6xjn8hnnx245-compute-guix-derivation ...
 compute-guix-derivation  860B                             286KiB/s 00:00 [##################] 100.0%

substitute: updating substitutes from 'https://ci.guix.gnu.org'... 100.0%
@ substituter-started /gnu/store/4kq9k7cvwmg42hvk71m2kihiasz7x9z8-git-minimal-2.29.2 /gnu/store/ncknl03pkmamrxg7q9nxi1rn1qhvwbi9-guix-1.0.1/libexec/guix/substitute
/gnu/store/q19l04vd2za80mk1845pz7r8cz29qk43-bash-minimal-4.4.23/bin/bash: warning: setlocale: LC_ALL: cannot change locale (en_US.utf8)
/gnu/store/q19l04vd2za80mk1845pz7r8cz29qk43-bash-minimal-4.4.23/bin/bash: warning: setlocale: LC_ALL: cannot change locale (en_US.utf8)
|@ download-started /gnu/store/4kq9k7cvwmg42hvk71m2kihiasz7x9z8-git-minimal-2.29.2 https://ci.guix.gnu.org/nar/gzip/4kq9k7cvwmg42hvk71m2kihiasz7x9z8-git-minimal-2.29.2 14413465
@ download-progress /gnu/store/4kq9k7cvwmg42hvk71m2kihiasz7x9z8-git-minimal-2.29.2 https://ci.guix.gnu.org/nar/gzip/4kq9k7cvwmg42hvk71m2kihiasz7x9z8-git-minimal-2.29.2 14413465 16384
@ download-progress /gnu/store/4kq9k7cvwmg42hvk71m2kihiasz7x9z8-git-minimal-2.29.2 https://ci.guix.gnu.org/nar/gzip/4kq9k7cvwmg42hvk71m2kihiasz7x9z8-git-minimal-2.29.2 14413465 32768
@ download-progress /gnu/store/4kq9k7cvwmg42hvk71m2kihiasz7x9z8-git-minimal-2.29.2 https://ci.guix.gnu.org/nar/gzip/4kq9k7cvwmg42hvk71m2kihiasz7x9z8-git-minimal-2.29.2 14413465 49152
@ download-progress /gnu/store/4kq9k7cvwmg42hvk71m2kihiasz7x9z8-git-minimal-2.29.2 https://ci.guix.gnu.org/nar/gzip/4kq9k7cvwmg42hvk71m2kihiasz7x9z8-git-minimal-2.29.2 14413465 81920
/@ download-progress /gnu/store/4kq9k7cvwmg42hvk71m2kihiasz7x9z8-git-minimal-2.29.2 https://ci.guix.gnu.org/nar/gzip/4kq9k7cvwmg42hvk71m2kihiasz7x9z8-git-minimal-2.29.2 14413465 98304
@ download-progress /gnu/store/4kq9k7cvwmg42hvk71m2kihiasz7x9z8-git-minimal-2.29.2 https://ci.guix.gnu.org/nar/gzip/4kq9k7cvwmg42hvk71m2kihiasz7x9z8-git-minimal-2.29.2 14413465 114688
@ download-progress /gnu/store/4kq9k7cvwmg42hvk71m2kihiasz7x9z8-git-minimal-2.29.2 https://ci.guix.gnu.org/nar/gzip/4kq9k7cvwmg42hvk71m2kihiasz7x9z8-git-minimal-2.29.2 14413465 147456
-@ download-progress /gnu/store/4kq9k7cvwmg42hvk71m2kihiasz7x9z8-git-minimal-2.29.2 https://ci.guix.gnu.org/nar/gzip/4kq9k7cvwmg42hvk71m2kihiasz7x9z8-git-minimal-2.29.2 14413465 163840
\@ download-progress /gnu/store/4kq9k7cvwmg42hvk71m2kihiasz7x9z8-git-minimal-2.29.2 https://ci.guix.gnu.org/nar/gzip/4kq9k7cvwmg42hvk71m2kihiasz7x9z8-git-minimal-2.29.2 14413465 196608
@ download-progress /gnu/store/4kq9k7cvwmg42hvk71m2kihiasz7x9z8-git-minimal-2.29.2 https://ci.guix.gnu.org/nar/gzip/4kq9k7cvwmg42hvk71m2kihiasz7x9z8-git-minimal-2.29.2 14413465 212992
@ download-progress /gnu/store/4kq9k7cvwmg42hvk71m2kihiasz7x9z8-git-minimal-2.29.2 https://ci.guix.gnu.org/nar/gzip/4kq9k7cvwmg42hvk71m2kihiasz7x9z8-git-minimal-2.29.2 14413465 262144
@ download-progress /gnu/store/4kq9k7cvwmg42hvk71m2kihiasz7x9z8-git-minimal-2.29.2 https://ci.guix.gnu.org/nar/gzip/4kq9k7cvwmg42hvk71m2kihiasz7x9z8-git-minimal-2.29.2 14413465 14413465
@ download-succeeded /gnu/store/4kq9k7cvwmg42hvk71m2kihiasz7x9z8-git-minimal-2.29.2 https://ci.guix.gnu.org/nar/gzip/4kq9k7cvwmg42hvk71m2kihiasz7x9z8-git-minimal-2.29.2 14413465

gzip: stdin: unexpected end of file
guix substitute: error: corrupt input while restoring '/gnu/store/4kq9k7cvwmg42hvk71m2kihiasz7x9z8-git-minimal-2.29.2/bin/git' from #{read pipe}#
@ substituter-failed /gnu/store/4kq9k7cvwmg42hvk71m2kihiasz7x9z8-git-minimal-2.29.2 256 fetching path `/gnu/store/4kq9k7cvwmg42hvk71m2kihiasz7x9z8-git-minimal-2.29.2' failed with exit code 1
Backtrace:
          11 (primitive-load "/gnu/store/58yx23vgfvx4m1426v0b6xjn8hnnx245-compute-guix-derivation")
In ice-9/eval.scm:
    155:9 10 (_ _)
    159:9  9 (_ #(#(#(#(#(#(#(#(#(#(#(#(#(#<directory (guile-user) 7fdb29988f?> ?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?))
In ./guix/store.scm:
  2042:24  8 (run-with-store #<store-connection 256.99 7fdb27ced050> _ #:guile-for-build _ #:system _ #:target _)
   1876:8  7 (_ _)
In ./guix/gexp.scm:
   258:18  6 (_ _)
   1123:2  5 (_ _)
    982:2  4 (_ _)
    843:4  3 (_ _)
In ./guix/store.scm:
  1924:12  2 (_ #<store-connection 256.99 7fdb27ced050>)
   1357:5  1 (map/accumulate-builds #<store-connection 256.99 7fdb27ced050> _ _)
  1368:15  0 (_ #<store-connection 256.99 7fdb27ced050> _ _)

./guix/store.scm:1368:15: ERROR:
  1. &store-protocol-error:
      message: "some substitutes for the outputs of derivation `/gnu/store/6kd94qkd2hnkri5hc44vfjvh8b0i5ynl-git-minimal-2.29.2.drv' failed (usually happens due to networking issues); try `--fallback' to build derivation from source "
      status: 1
guix pull: error: You found a bug: the program '/gnu/store/58yx23vgfvx4m1426v0b6xjn8hnnx245-compute-guix-derivation'
failed to compute the derivation for Guix (version: "f9000450b5c881b97a3d507372c19ff366e788ca"; system: "x86_64-linux";
host version: "6a3b4765f9dfcefa89e65406177d3442b7958c28"; pull-version: 1).
Please report it by email to <bug-guix@gnu.org>.

```