/usr/ is in libdocopt-dev 0.6.2-2.
This file is owned by root:root, with mode 0o755.
..
/usr/include/
/usr/include/docopt/
/usr/include/docopt/docopt.h
/usr/include/docopt/docopt_private.h
/usr/include/docopt/docopt_util.h
/usr/include/docopt/docopt_value.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/cmake/
/usr/lib/x86_64-linux-gnu/cmake/docopt/
/usr/lib/x86_64-linux-gnu/cmake/docopt/docopt-config-version.cmake
/usr/lib/x86_64-linux-gnu/cmake/docopt/docopt-config.cmake
/usr/lib/x86_64-linux-gnu/cmake/docopt/docopt-targets-none.cmake
/usr/lib/x86_64-linux-gnu/cmake/docopt/docopt-targets.cmake
/usr/lib/x86_64-linux-gnu/libdocopt.a
/usr/share/
/usr/share/doc/
/usr/share/doc/libdocopt-dev/
/usr/share/doc/libdocopt-dev/copyright
/usr/lib/x86_64-linux-gnu/libdocopt.so
/usr/share/doc/libdocopt-dev/changelog.Debian.gz