Commits
James Lamb authored and GitHub committed 13680d89a1d
[ci] add CMake + R 3.6 test back (fixes #3469) (#4053) * [ci] add CMake + R 3.6 test back (fixes #3469) * Apply suggestions from code review Co-authored-by: Nikita Titov <nekit94-08@mail.ru> * Update .ci/test_r_package_windows.ps1 * -Wait and remove rtools40 * empty commit Co-authored-by: Nikita Titov <nekit94-08@mail.ru>