bug#54149: Reporting "failed to compute derivation" error.

[Carlo Holl]

Output:

downloading from 
https://ci.guix.gnu.org/nar/lzip/5h2w4qi9hk1qzzgi1w83220ydslinr4s-glibc-2.33 
...
  glibc-2.33  8.2MiB                                                    
                                                                                                                                                                229KiB/s 
00:12 [#####             ]  32.1%guix pull: error: You found a bug: the 
program 
'/gnu/store/vsl7n4zibwss6dljl1rj68qizm6sd38d-compute-guix-derivation'
  failed to compute the derivation for Guix (version: 
"64772639a200ebcd19c306a31158a0f638c8c7d3"; system: "x86_64-linux";
  host version: "b09967bc587dd61c638da3d6fb5bbda7e87ed85c"; 
pull-version: 1).
  Please report the COMPLETE output above by email to 
<bug-guix@gnu.org>.