/usr/lib/R/site-library/dplyr/include/tools/ is in r-cran-dplyr 0.7.4-3.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/R/site-library/dplyr/include/tools/Call.h
/usr/lib/R/site-library/dplyr/include/tools/Quosure.h
/usr/lib/R/site-library/dplyr/include/tools/ShrinkableVector.h
/usr/lib/R/site-library/dplyr/include/tools/SlicingIndex.h
/usr/lib/R/site-library/dplyr/include/tools/SymbolMap.h
/usr/lib/R/site-library/dplyr/include/tools/SymbolString.h
/usr/lib/R/site-library/dplyr/include/tools/SymbolVector.h
/usr/lib/R/site-library/dplyr/include/tools/all_na.h
/usr/lib/R/site-library/dplyr/include/tools/collapse.h
/usr/lib/R/site-library/dplyr/include/tools/debug.h
/usr/lib/R/site-library/dplyr/include/tools/encoding.h
/usr/lib/R/site-library/dplyr/include/tools/hash.h
/usr/lib/R/site-library/dplyr/include/tools/match.h
/usr/lib/R/site-library/dplyr/include/tools/pointer_vector.h
/usr/lib/R/site-library/dplyr/include/tools/rlang-export.h
/usr/lib/R/site-library/dplyr/include/tools/scalar_type.h
/usr/lib/R/site-library/dplyr/include/tools/tools.h
/usr/lib/R/site-library/dplyr/include/tools/utils.h
/usr/lib/R/site-library/dplyr/include/tools/wrap_subset.h