bug#19780: 13 failing tests

[Ricardo Wurmus]

Ludovic Courtès writes:
>> address@hidden:/localhome/rwurmus-tmp/guix] (720) $ ./test-env guix build 
>> guile-bootstrap
>
> [...]
>
>> @ build-started 
>> /localhome/rwurmus-tmp/guix/test-tmp/store/m1cbz6gmyv2f5551j7zpm99d7mgy2zp9-guile-bootstrap-2.0.drv
>>  - x86_64-linux 
>> /localhome/rwurmus-tmp/guix/test-tmp/var/log/guix/drvs/m1//cbz6gmyv2f5551j7zpm99d7mgy2zp9-guile-bootstrap-2.0.drv.bz2
>> builder for 
>> `/localhome/rwurmus-tmp/guix/test-tmp/store/m1cbz6gmyv2f5551j7zpm99d7mgy2zp9-guile-bootstrap-2.0.drv'
>>  failed due to signal 11 (Segmentation fault)
>
> Could you “rm -rf /localhome/rwurmus-tmp/guix/test-tmp” and try again?

Same after rm-rf'ing.

> If that fails again, could you run ‘ulimit -c unlimited’ before running
> the command, add see if we get a core dump from which to extract that
> Bash backtrace?

Oddly, I cannot seem to get a core dump, even after setting ulimit -c
unlimited.  Is there a way to run the failing builder manually?