<?xml version="1.0" encoding="utf-8"?>
<explicit-failures-markup xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 xsi:noNamespaceSchemaLocation="https://raw.githubusercontent.com/boostorg/boost/master/status/explicit-failures.xsd">
    <!-- outcome -->
    <library name="outcome">
        <mark-unusable>
            <toolset name="*c++98"/>
            <toolset name="*c++11"/>
            <toolset name="*gnu++98"/>
            <toolset name="*gnu++11"/>
            <toolset name="*gnu98"/>
            <toolset name="*gnu11"/>
            <toolset name="clang-linux-3*"/>
            <toolset name="gcc-3*"/>
            <toolset name="gcc-4*"/>
            <toolset name="gcc-5*"/>
            <toolset name="gcc-mngw-3*"/>
            <toolset name="gcc-mngw-4*"/>
            <toolset name="gcc-mngw-5*"/>
            <toolset name="msvc-7*"/>
            <toolset name="msvc-8*"/>
            <toolset name="msvc-9*"/>
            <toolset name="msvc-10*"/>
            <toolset name="msvc-11*"/>
            <toolset name="msvc-12*"/>
            <toolset name="msvc-13*"/>
            <toolset name="msvc-14.0"/>
            <toolset name="msvc-14.0*"/>
            <note author="Niall Douglas">Complete C++14 support is the minimum requirement.</note>
        </mark-unusable>
        <mark-unusable>
            <toolset name="clang-linux-4.0~c++14"/>
            <toolset name="clang-linux-5.0~c++14"/>
            <toolset name="clang-linux-6.0~c++17"/>
            <note author="Niall Douglas">libstdc++ 6 is the minimum version which works.</note>
        </mark-unusable>
        <mark-unusable>
            <toolset name="gcc-6*"/>
            <note author="Niall Douglas">Tests are unstable on GCC 6.</note>
        </mark-unusable>
        <mark-unusable>
            <toolset name="msvc-14.1"/>
            <toolset name="msvc-14.1*"/>
            <toolset name="msvc-14.2"/>
            <toolset name="msvc-14.2*"/>
            <note author="Niall Douglas">Tests are unstable on VS2017 and VS2019.</note>
        </mark-unusable>
    </library>
</explicit-failures-markup>