[bug#33515] [PATCH 0/5] Cuirass/Hydra: evaluate jobs in an inferior

["Ludovic Courtès" <ludo@gnu.org>]

Hello,

Mark H Weaver <mhw@netris.org> skribis:

> Indeed, the evaluation eventually failed on hydra.gnu.org.  I then
> upgraded 'guix' in both root's and hydra's profiles to the latest
> version and tried again.  This time it failed almost immediately, with
> the following error:
>
> evaluator hydra-eval-guile-jobs
> hydra-eval-guile-jobs returned exit code 1:
> adding `/gnu/store/y4m61z51s28kmiff2hzbr7xm6f4lsk80-git-export' to the load path
> Backtrace:
> In ice-9/eval.scm:
>    293:34 19 (_ #<module (#{ g257}#) 2949a00>)
> In ice-9/boot-9.scm:
>    2862:4 18 (define-module* _ #:filename _ #:pure _ #:version _ # _ ?)
>   2875:24 17 (_)
>    222:17 16 (map1 (((guix git)) ((guix records)) ((guix gexp)) (#) ?))
>   2788:17 15 (resolve-interface (guix git) #:select _ #:hide _ # _ # ?)
>   2714:10 14 (_ (guix git) _ _ #:ensure _)
>   2982:16 13 (try-module-autoload _ _)
>    2312:4 12 (save-module-excursion #<procedure 472d510 at ice-9/boo?>)
>   3002:22 11 (_)
> In unknown file:
>           10 (primitive-load-path "guix/git" #<procedure 4749f20 at ?>)
> In ice-9/eval.scm:
>    721:20  9 (primitive-eval (define-module (guix git) #:use-module ?))
> In ice-9/psyntax.scm:
>   1235:36  8 (expand-top-sequence ((define-module (guix git) # # ?)) ?)
>   1182:24  7 (parse _ (("placeholder" placeholder)) ((top) #(# # ?)) ?)
>    285:10  6 (parse _ (("placeholder" placeholder)) (()) _ c&e (eval) ?)
> In ice-9/eval.scm:
>    293:34  5 (_ #<module (#{ g258}#) 2949780>)
> In ice-9/boot-9.scm:
>    2862:4  4 (define-module* _ #:filename _ #:pure _ #:version _ # _ ?)
>   2875:24  3 (_)
>    222:17  2 (map1 (((git)) ((git object)) ((guix i18n)) ((guix ?)) ?))
>    2791:6  1 (resolve-interface _ #:select _ #:hide _ #:prefix _ # _ ?)
> In unknown file:
>            0 (scm-error misc-error #f "~A ~S" ("no code for modu?" ?) ?)
>
> ERROR: In procedure scm-error:
> no code for module (git)

I ran ‘guix pull’ and then installed guile-git in hydra’s profile, which
fixed this immediate issue.  Now the evaluation failure is a bit more
enigmatic:

--8<---------------cut here---------------start------------->8---
XML or text declaration not at start of entity at line 2, column 0, byte 1 at /usr/local/lib/perl5/site_perl/5.18.0/x86_64-linux/XML/Parser.pm line 187.
--8<---------------cut here---------------end--------------->8---

I’m guessing ‘hydra-eval-guile-jobs’ is not sending proper XML, or
perhaps we’re writing non-XML stuff to stdout that gets interspersed
with valid XML.

To be continued…

Ludo’.