/usr/ is in guile-g-wrap 1.9.14-2ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/guile/
/usr/share/guile/site/
/usr/share/guile/site/g-wrap/
/usr/lib/
/usr/lib/g-wrap/
/usr/lib/g-wrap/modules/
/usr/lib/g-wrap/modules/libgw-guile-standard.so.0.0.0
/usr/lib/g-wrap/modules/libgw-guile-gw-glib.so.0.0.0
/usr/share/
/usr/share/guile/site/g-wrap/gw-standard-spec.scm
/usr/share/guile/site/g-wrap/gw/
/usr/share/guile/site/g-wrap/gw/standard.scm
/usr/share/guile/site/g-wrap/gw-wct.scm
/usr/share/guile/site/g-wrap/config.scm
/usr/share/guile/site/g-wrap/gw-glib.scm
/usr/share/guile/site/g-wrap/gw-glib-spec.scm
/usr/share/guile/site/g-wrap/gw-wct-spec.scm
/usr/share/doc/
/usr/share/doc/guile-g-wrap/
/usr/share/doc/guile-g-wrap/copyright
/usr/lib/g-wrap/modules/libgw-guile-gw-glib.so.0
/usr/lib/g-wrap/modules/libgw-guile-standard.so.0
/usr/lib/g-wrap/modules/libgw-guile-gw-glib.so
/usr/lib/g-wrap/modules/libgw-guile-standard.so
/usr/share/doc/guile-g-wrap/AUTHORS
/usr/share/doc/guile-g-wrap/TODO
/usr/share/doc/guile-g-wrap/THANKS
/usr/share/doc/guile-g-wrap/NEWS.gz
/usr/share/doc/guile-g-wrap/README
/usr/share/doc/guile-g-wrap/changelog.Debian.gz