Quoting Jonas Smedegaard (2020-04-23 12:56:23)
> Quoting Lev Lamberov (2020-04-23 12:15:12)
> > Чт 23 апр 2020 @ 11:58 Jonas Smedegaard <jo...@jones.dk>:
> > 
> > > Quoting Lev Lamberov (2020-04-23 11:38:36)
> > 
> > >> Чт 23 апр 2020 @ 10:59 Paul Gevers <elb...@debian.org>:
> > 
> > >> > [Release team member hat on]
> > >> >
> > >> > On 21-04-2020 23:48, Debian FTP Masters wrote:
> > >> >>  eye (20.0411.2226~ds-1) unstable; urgency=medium
> > >> >>  .
> > >> >>    [ upstream ]
> > >> >>    * new release(s)
> > >> >>      + FIXED: process_create/3: stderr was sent to stdout.
> > >> >>        closes: Bug#958419, thanks to Paul Gevers
> > >> >
> > >> > It seems that this fix works with swi-prolog in unstable, but not 
> > >> > with swi-prolog in testing. Which means that you're missing a 
> > >> > versioned (test) dependency somewhere. Now *both* packages are not 
> > >> > migrating. If this is *only* an autopkgtest issue, I'm willing to 
> > >> > trigger the combination manually, but I prefer you fix the (test) 
> > >> > dependencies.
> > >> 
> > >> one of the reasons why swi-prolog does not migrate to testing is 
> > >> binary upload, I will prepare source-only upload of the latest 
> > >> upstream version in the next couple of days.
> > >
> > > That would be nice, but seems unrelated to the issue with eye.
> > >
> > > @Lev: Do you have an ida why eye fails like this:
> > >
> > >   incompatible VM-signature (file: 0xde23899e; Prolog: 0x10c53d6a)]
> > >
> > > See bottom of 
> > > https://ci.debian.net/data/autopkgtest/testing/amd64/e/eye/5106659/log.gz
> > 
> > Hmmm... I'm not sure, but my guess is as follows. Since (1) parts of 
> > tests are downloaded during testing, and (2) as I can see upstream 
> > developers of eye recently changed tests to comply with swi-prolog 
> > 8.1.28 (see, upstream commit 
> > eb3f074a11c8be9d82950f7a98c5d1d12fcc0254), (3) testing currently 
> > contains swi-prolog 8.0.3 and autopkgtests fail with it, and (4) eye 
> > in unstable (with swi-prolog 8.1.28) passes autopkgtests, then I think 
> > that to fix it we need newer swi-prolog in testing.
> 
> Ohh, the test failure I reference was for _testing_ - I thought it was 
> for _unstable_ and was puzzled why it also failed there.
> 
> Yes, I agree that this looks like just an autopkgtest issue (but makes 
> me wonder if eye should include Build-Using:).

No wait: It causes "FATAL ERROR" of "incompatible VM-signature" when an 
image shipped with eye was produced by a different version of swi-prolog 
than is currently installed.  That's a different issue which requires 
eye to tighten its dependency on swi-prolog-nox.

 - Jonas

-- 
 * Jonas Smedegaard - idealist & Internet-arkitekt
 * Tlf.: +45 40843136  Website: http://dr.jones.dk/

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