^CMake Error at cmake_install.cmake:[0-9]+ \(file\):
  file INSTALL cannot duplicate symlink

    [^
]*/Tests/RunCMake/install/DIRECTORY-symlink-clobber-build/new/dir

  at

    [^
]*/Tests/RunCMake/install/DIRECTORY-symlink-clobber-build/root-all/dest/dir

  because: A directory already exists at that location