/usr/include/thrust/random/detail/ is in libthrust-dev 1.6.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/thrust/random/detail/discard_block_engine.inl
/usr/include/thrust/random/detail/linear_congruential_engine.inl
/usr/include/thrust/random/detail/linear_congruential_engine_discard.h
/usr/include/thrust/random/detail/linear_feedback_shift_engine.inl
/usr/include/thrust/random/detail/linear_feedback_shift_engine_wordmask.h
/usr/include/thrust/random/detail/mod.h
/usr/include/thrust/random/detail/normal_distribution.inl
/usr/include/thrust/random/detail/random_core_access.h
/usr/include/thrust/random/detail/subtract_with_carry_engine.inl
/usr/include/thrust/random/detail/uniform_int_distribution.inl
/usr/include/thrust/random/detail/uniform_real_distribution.inl
/usr/include/thrust/random/detail/xor_combine_engine.inl
/usr/include/thrust/random/detail/xor_combine_engine_max.h