bug#67575: guix-daemon assertion failure upon substitution failure

[Ludovic Courtès]

Ludovic Courtès <ludo@gnu.org> skribis:

> 2023-11-27 07:00:58 accepted connection from pid 14007, user root
> 2023-11-27 07:01:20 guix-daemon: nix/libstore/build.cc:3322: void 
> nix::Worker::childTerminated(pid_t, bool): Assertion `i != children.end()' 
> failed.
>
>
> The corresponding build log (sent by ‘cuirass remote-worker’ to the
> server):
>
> $ zcat /var/cache/cuirass/remote/rivlxrqr10g3kj9knyz7i41aq1vzxn9z.log.gz |tail
> @ substituter-started 
> /gnu/store/gymm7n27rfhyz83zx3lw0bwg4m6alpzw-ecoregime_0.1.3.tar.gz substitute
> guix substitute: warning: while fetching 
> https://ci.guix.gnu.org/nar/gymm7n27rfhyz83zx3lw0bwg4m6alpzw-ecoregime_0.1.3.tar.gz:
>  server is somewhat slow
> guix substitute: warning: try `--no-substitutes' if the problem persists
> retrying download of 
> '/gnu/store/gymm7n27rfhyz83zx3lw0bwg4m6alpzw-ecoregime_0.1.3.tar.gz' with 
> other substitute URLs...
> guix substitute: warning: while fetching 
> https://ci.guix.gnu.org/nar/gymm7n27rfhyz83zx3lw0bwg4m6alpzw-ecoregime_0.1.3.tar.gz:
>  server is somewhat slow
> guix substitute: warning: try `--no-substitutes' if the problem persists
> guix substitute: error: failed to find alternative substitute for 
> '/gnu/store/gymm7n27rfhyz83zx3lw0bwg4m6alpzw-ecoregime_0.1.3.tar.gz'
> fetching path 
> `/gnu/store/gymm7n27rfhyz83zx3lw0bwg4m6alpzw-ecoregime_0.1.3.tar.gz' (empty 
> status: '')

This should be fixed by 06b9c1260c72935806957bf302c40c1db6101a63.

Ludo’.