GNU bug report logs - #55985
Cuirass(?) produces less than useful ‘build’ log files

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Tobias Geerinckx-Rice <me <at> tobias.gr>
To: bug-guix <at> gnu.org
Subject: Cuirass(?) produces less than useful ‘build’
 log files
Date: Wed, 15 Jun 2022 00:29:31 +0200

[Message part 1 (text/plain, inline)]

Hi Guix!

It seems that build logs are not copied over from build nodes, 
leading to amusing (but alas quite useless) output like:

~ λ curl $(guix build zstd --log-file)
substitute: updating substitutes from 
'http://141.80.167.131'... 100.0%
fetching path 
`/gnu/store/rx8ja2y7xfrq19x8hr7ly8sq661bwpaw-zstd-1.5.0.drv'...
@ substituter-started 
/gnu/store/rx8ja2y7xfrq19x8hr7ly8sq661bwpaw-zstd-1.5.0.drv 
substitute
Downloading 
http://141.80.167.131/nar/lzip/rx8ja2y7xfrq19x8hr7ly8sq661bwpaw-zstd-1.5.0.drv...
zstd-1.5.0.drv                               280KiB/s 00:00 | 
1KiB transferred

@ substituter-succeeded 
/gnu/store/rx8ja2y7xfrq19x8hr7ly8sq661bwpaw-zstd-1.5.0.drv
substitute: updating substitutes from 
'http://141.80.167.131'... 100.0%
substitute: updating substitutes from 
'http://141.80.167.131'... 100.0%
fetching path 
`/gnu/store/wa5pngf2lywgi8vd8k9b1k13wp2acvi4-zstd-1.5.0-static'...
@ substituter-started 
/gnu/store/wa5pngf2lywgi8vd8k9b1k13wp2acvi4-zstd-1.5.0-static 
substitute
fetching path 
`/gnu/store/bn6pk5zjjdpdfzb6yfr5psi9pji9w51n-zstd-1.5.0'...
@ substituter-started 
/gnu/store/bn6pk5zjjdpdfzb6yfr5psi9pji9w51n-zstd-1.5.0 substitute
Downloading 
http://141.80.167.131/nar/lzip/wa5pngf2lywgi8vd8k9b1k13wp2acvi4-zstd-1.5.0-static...
zstd-1.5.0-static                           1.4MiB/s 00:00 | 
64KiB transferredDownloading 
http://141.80.167.131/nar/lzip/bn6pk5zjjdpdfzb6yfr5psi9pji9w51n-zstd-1.5.0...
zstd-1.5.0  476KiB                  4.5MiB/s 00:00 
[##################] 100.0%

@ substituter-succeeded 
/gnu/store/bn6pk5zjjdpdfzb6yfr5psi9pji9w51n-zstd-1.5.0
zstd-1.5.0-static                          1.3MiB/s 00:00 | 
405KiB transferred

@ substituter-succeeded 
/gnu/store/wa5pngf2lywgi8vd8k9b1k13wp2acvi4-zstd-1.5.0-static
~ λ 

Kind regards,

T G-R

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Message #8 received at 55985 <at> debbugs.gnu.org (full text, mbox):

From: Ludovic Courtès <ludo <at> gnu.org>
To: Tobias Geerinckx-Rice <me <at> tobias.gr>
Cc: 55985 <at> debbugs.gnu.org
Subject: Re: bug#55985: Cuirass(?) produces less than useful
 ‘build’ log files
Date: Wed, 15 Jun 2022 22:47:19 +0200

Hi,

Tobias Geerinckx-Rice <me <at> tobias.gr> skribis:

> Hi Guix!
>
> It seems that build logs are not copied over from build nodes, leading
> to amusing (but alas quite useless) output like:
>
> ~ λ curl $(guix build zstd --log-file)

What you have here *is* the log as Cuirass saw it, but…

> transferredDownloading
> http://141.80.167.131/nar/lzip/bn6pk5zjjdpdfzb6yfr5psi9pji9w51n-zstd-1.5.0...
> zstd-1.5.0  476KiB                  4.5MiB/s 00:00
> [##################] 100.0%
>
> @ substituter-succeeded
> /gnu/store/bn6pk5zjjdpdfzb6yfr5psi9pji9w51n-zstd-1.5.0

It turns out zstd, in this case, was already built on the node it got it
from, so the log just shows that.

I admit this is suboptimal.  From the perspective of Cuirass though, it
looks like “business as usual”, and it cannot really be distinguished
from a situation where the thing actually got built.

Ludo’.

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