On Tue, Aug 1, 2017 at 10:10 AM, Steven Watanabe via Boost-Testing <boost-testing@lists.boost.org> wrote:

AMDG

On 08/01/2017 10:50 AM, Tom Kent via Boost-Testing wrote:
> Sometime between 3-6AM central time today a change was checked in that is
> causing all the regression tests I run (Windows/Visual Studio +
> Linux/GCC+Clang on both master and develop) to fail. They all have the
> following at the end of their results file:
>
> notice: [lzma] lzma is already configured
> error: at ../libs/predef/test/build.jam:47
> error: Attempt to redeclare already registered project id '/test'.
> error: Original project:
> error:     Name: Jamfile</var/boost/run/boost_root/libs/beast/test>
> error:     Module: Jamfile</var/boost/run/boost_root/libs/beast/test>
> error:     Main id: /test
> error:     File: ../libs/beast/test/Jamfile
> error:     Location: ../libs/beast/test
> error: New project:
> error:     Module: Jamfile</var/boost/run/boost_root/libs/predef/test>
> error:     File: ../libs/predef/test/build.jam
> error:     Location: ../libs/predef/test
>

Project IDs are required to be globally unique.
Instead of using
project /test ;
it should be
project /boost/predef/test ;
project /boost/beast/test ;