Analyse following RPM build log snippet. Describe contents accurately, without speculation or suggestions for resolution.            
Your analysis must be as concise as possible, while keeping relevant information intact.
Snippet: 
/builddir/build/BUILD/dtk6core-6.0.21-build/dtk6core-6.0.21/src/dconfig.cpp:91:1: warning: "/*" within comment [-Wcomment]
   91 | /*!
/builddir/build/BUILD/dtk6core-6.0.21-build/dtk6core-6.0.21/src/dconfig.cpp: In member function ‘virtual bool Dtk::Core::{anonymous}::FileBackend::load(const QString&)’:
/builddir/build/BUILD/dtk6core-6.0.21-build/dtk6core-6.0.21/src/dconfig.cpp:180:50: warning: ‘T* QScopedPointer<T, Cleanup>::take() [with T = Dtk::Core::DConfigFile; Cleanup = QScopedPointerDeleter<Dtk::Core::DConfigFile>]’ is deprecated: Use std::unique_ptr instead, and call release(). [-Wdeprecated-declarations]
  180 |                 genericConfigFile.reset(file.take());
      |                                         ~~~~~~~~~^~
In file included from /usr/include/qt6/QtCore/QScopedPointer:1,
                 from /builddir/build/BUILD/dtk6core-6.0.21-build/dtk6core-6.0.21/include/base/dobject.h:8,
                 from /builddir/build/BUILD/dtk6core-6.0.21-build/dtk6core-6.0.21/include/DtkCore/DObject:1,
                 from /builddir/build/BUILD/dtk6core-6.0.21-build/dtk6core-6.0.21/include/global/dconfig.h:9,
                 from /builddir/build/BUILD/dtk6core-6.0.21-build/dtk6core-6.0.21/src/dconfig.cpp:5:
/usr/include/qt6/QtCore/qscopedpointer.h:130:8: note: declared here
  130 |     T *take() noexcept
      |        ^~~~
/builddir/build/BUILD/dtk6core-6.0.21-build/dtk6core-6.0.21/src/dconfig.cpp:181:52: warning: ‘T* QScopedPointer<T, Cleanup>::take() [with T = Dtk::Core::DConfigCache; Cleanup = QScopedPointerDeleter<Dtk::Core::DConfigCache>]’ is deprecated: Use std::unique_ptr instead, and call release(). [-Wdeprecated-declarations]
  181 |                 genericConfigCache.reset(cache.take());
      |                                          ~~~~~~~~~~^~
/usr/include/qt6/QtCore/qscopedpointer.h:130:8: note: declared here
  130 |     T *take() noexcept
      |        ^~~~
/builddir/build/BUILD/dtk6core-6.0.21-build/dtk6core-6.0.21/src/dconfig.cpp: In static member function ‘static QVariant Dtk::Core::{anonymous}::DBusBackend::decodeQDBusArgument(const QVariant&)’:
/builddir/build/BUILD/dtk6core-6.0.21-build/dtk6core-6.0.21/src/dconfig.cpp:372:49: warning: ‘constexpr typename std::add_const<_Tp>::type& qAsConst(T&) [with T = QList<QVariant>; typename std::add_const<_Tp>::type = const QList<QVariant>]’ is deprecated: Use std::as_const() instead. [-Wdeprecated-declarations]
  372 |                 for (const auto &item : qAsConst(list)) {
      |                                         ~~~~~~~~^~~~~~
In file included from /usr/include/qt6/QtCore/qforeach.h:11,
                 from /usr/include/qt6/QtCore/qglobal.h:57,
                 from /builddir/build/BUILD/dtk6core-6.0.21-build/dtk6core-6.0.21/include/global/dtkcore_global.h:7,
                 from /builddir/build/BUILD/dtk6core-6.0.21-build/dtk6core-6.0.21/include/global/dconfig.h:8:
/usr/include/qt6/QtCore/qttypetraits.h:36:45: note: declared here
   36 | constexpr typename std::add_const<T>::type &qAsConst(T &t) noexcept { return t; }
      |                                             ^~~~~~~~
[60/80] /usr/bin/g++ -DDSYSINFO_PREFIX=\"\" -DLIBDTKCORE_LIBRARY -DPREFIX=\"/usr\" -DQT_CORE_LIB -DQT_DBUS_LIB -DQT_NO_DEBUG -DQT_XML_LIB -Ddtk6core_EXPORTS -I/builddir/build/BUILD/dtk6core-6.0.21-build/dtk6core-6.0.21/redhat-linux-build/src -I/builddir/build/BUILD/dtk6core-6.0.21-build/dtk6core-6.0.21/src -I/builddir/build/BUILD/dtk6core-6.0.21-build/dtk6core-6.0.21/redhat-linux-build/src/dtk6core_autogen/include -I/usr/include/uchardet -I/builddir/build/BUILD/dtk6core-6.0.21-build/dtk6core-6.0.21/include/util -I/builddir/build/BUILD/dtk6core-6.0.21-build/dtk6core-6.0.21/include/dci -I/builddir/build/BUILD/dtk6core-6.0.21-build/dtk6core-6.0.21/include/log -I/builddir/build/BUILD/dtk6core-6.0.21-build/dtk6core-6.0.21/include/base -I/builddir/build/BUILD/dtk6core-6.0.21-build/dtk6core-6.0.21/include/base/private -I/builddir/build/BUILD/dtk6core-6.0.21-build/dtk6core-6.0.21/include/global -I/builddir/build/BUILD/dtk6core-6.0.21-build/dtk6core-6.0.21/include/DtkCore -I/builddir/build/BUILD/dtk6core-6.0.21-build/dtk6core-6.0.21/include/settings -I/builddir/build/BUILD/dtk6core-6.0.21-build/dtk6core-6.0.21/include/filesystem -I/builddir/build/BUILD/dtk6core-6.0.21-build/dtk6core-6.0.21/include -isystem /usr/include/qt6/QtCore -isystem /usr/include/qt6 -isystem /usr/lib64/qt6/mkspecs/linux-g++ -isystem /usr/include/qt6/QtDBus -isystem /usr/include/qt6/QtXml -isystem /usr/include/dtk6/DLog -isystem /usr/include/qt6/QtCore/6.8.1 -isystem /usr/include/qt6/QtCore/6.8.1/QtCore -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -fPIC -Wall -Wextra -DNDEBUG -std=gnu++17 -fPIC -MD -MT src/CMakeFiles/dtk6core.dir/dsysinfo.cpp.o -MF src/CMakeFiles/dtk6core.dir/dsysinfo.cpp.o.d -o src/CMakeFiles/dtk6core.dir/dsysinfo.cpp.o -c /builddir/build/BUILD/dtk6core-6.0.21-build/dtk6core-6.0.21/src/dsysinfo.cpp
ninja: build stopped: subcommand failed.

Answer: Warning about the usage of deprecated calls.