Shame on me, I forgot to switch something off before running those builds.
I confirm that both release 24.5 and Git `master' build and run in both
64-bit and 32-bit variants on MSYS2.  Apologies for this noise.

Regards,
Alexander

On Wed, Apr 29, 2015 at 6:01 PM, Eli Zaretskii <eliz@gnu.org> wrote:

> > Date: Wed, 29 Apr 2015 13:32:56 +0200
> > From: Alexander Shukaev <haroogan@gmail.com>
> >
> > ==> ERROR: A failure occurred in package().
> > Aborting...
>
> Where does this message come from?  I don't think it's coming from
> Emacs or from any part of the Emacs build process.  I cannot find such
> a string in the entire checked-out directory tree.
>
> So please figure out which program/script outputs it, and we could
> take it from there.
>
> > I suspect that the build is almost finished
>
> The portion of the "make" output you posted suggests it was during
> "make install", FWIW.
>