Subject: bug#78505: Error output from `guix pull`

From: Simon Tournier <[email-masked]>
Date: Fri, 13 Jun 2025 18:10:59 +0200

Hi,

Thanks for your report.

On Tue, 20 May 2025 at 00:24, David C Norris <[email-masked]> wrote:
> david@forschung:~$ guix pull
> 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 450a361

[...]

> guix/store.scm:1450:15: In procedure loop:
> ERROR:
> 1. &store-protocol-error:
> message: "some substitutes for the outputs of derivation `/gnu/store/v5ch9d15g7s80vnih7v0xnv9zvcmykgp-gcc-toolchain-11.4.0.drv' failed (usually happens due to networking issues); try `--fallback' to build derivation from source "

I cannot reproduce it.  I think it’s a transient issue.  Have you tried
again?  For example,

    guix time-machine -q --commit=5f5d84beccc180f1b51474c0e47eb6e0d0c9175f \
      -- time-machine -q --commit=450a361532573a02389530a6a80b7821683ed41b \
      -- describe

Cheers,
simon