/usr/lib/ is in r-cran-crosstalk 1.0.0+dfsg-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/R/
/usr/lib/R/site-library/
/usr/lib/R/site-library/crosstalk/
/usr/lib/R/site-library/crosstalk/DESCRIPTION
/usr/lib/R/site-library/crosstalk/INDEX
/usr/lib/R/site-library/crosstalk/Meta/
/usr/lib/R/site-library/crosstalk/Meta/Rd.rds
/usr/lib/R/site-library/crosstalk/Meta/features.rds
/usr/lib/R/site-library/crosstalk/Meta/hsearch.rds
/usr/lib/R/site-library/crosstalk/Meta/links.rds
/usr/lib/R/site-library/crosstalk/Meta/nsInfo.rds
/usr/lib/R/site-library/crosstalk/Meta/package.rds
/usr/lib/R/site-library/crosstalk/NAMESPACE
/usr/lib/R/site-library/crosstalk/R/
/usr/lib/R/site-library/crosstalk/R/crosstalk
/usr/lib/R/site-library/crosstalk/R/crosstalk.rdb
/usr/lib/R/site-library/crosstalk/R/crosstalk.rdx
/usr/lib/R/site-library/crosstalk/help/
/usr/lib/R/site-library/crosstalk/help/AnIndex
/usr/lib/R/site-library/crosstalk/help/aliases.rds
/usr/lib/R/site-library/crosstalk/help/crosstalk.rdb
/usr/lib/R/site-library/crosstalk/help/crosstalk.rdx
/usr/lib/R/site-library/crosstalk/help/paths.rds
/usr/lib/R/site-library/crosstalk/html/
/usr/lib/R/site-library/crosstalk/html/00Index.html
/usr/lib/R/site-library/crosstalk/html/R.css
/usr/lib/R/site-library/crosstalk/lib/
/usr/lib/R/site-library/crosstalk/lib/bootstrap/
/usr/lib/R/site-library/crosstalk/lib/bootstrap/css/
/usr/lib/R/site-library/crosstalk/lib/bootstrap/fonts/
/usr/lib/R/site-library/crosstalk/lib/bootstrap/js/
/usr/lib/R/site-library/crosstalk/lib/jquery/
/usr/lib/R/site-library/crosstalk/lib/selectize/
/usr/lib/R/site-library/crosstalk/lib/selectize/css/
/usr/lib/R/site-library/crosstalk/lib/selectize/js/
/usr/lib/R/site-library/crosstalk/lib/strftime/
/usr/lib/R/site-library/crosstalk/www/
/usr/lib/R/site-library/crosstalk/www/css/
/usr/lib/R/site-library/crosstalk/www/css/crosstalk.css
/usr/lib/R/site-library/crosstalk/www/js/
/usr/lib/R/site-library/crosstalk/www/js/crosstalk.js
/usr/lib/R/site-library/crosstalk/www/js/crosstalk.js.map
/usr/lib/R/site-library/crosstalk/www/js/crosstalk.min.js
/usr/lib/R/site-library/crosstalk/www/js/crosstalk.min.js.map
/usr/lib/R/site-library/crosstalk/lib/bootstrap/css/bootstrap-theme.css
/usr/lib/R/site-library/crosstalk/lib/bootstrap/css/bootstrap-theme.css.map
/usr/lib/R/site-library/crosstalk/lib/bootstrap/css/bootstrap-theme.min.css
/usr/lib/R/site-library/crosstalk/lib/bootstrap/css/bootstrap.css
/usr/lib/R/site-library/crosstalk/lib/bootstrap/css/bootstrap.css.map
/usr/lib/R/site-library/crosstalk/lib/bootstrap/css/bootstrap.min.css
/usr/lib/R/site-library/crosstalk/lib/bootstrap/fonts/glyphicons-halflings-regular.eot
/usr/lib/R/site-library/crosstalk/lib/bootstrap/fonts/glyphicons-halflings-regular.svg
/usr/lib/R/site-library/crosstalk/lib/bootstrap/fonts/glyphicons-halflings-regular.ttf
/usr/lib/R/site-library/crosstalk/lib/bootstrap/fonts/glyphicons-halflings-regular.woff
/usr/lib/R/site-library/crosstalk/lib/bootstrap/fonts/glyphicons-halflings-regular.woff2
/usr/lib/R/site-library/crosstalk/lib/bootstrap/js/bootstrap.js
/usr/lib/R/site-library/crosstalk/lib/bootstrap/js/bootstrap.min.js
/usr/lib/R/site-library/crosstalk/lib/bootstrap/js/npm.js
/usr/lib/R/site-library/crosstalk/lib/bootstrap/shim
/usr/lib/R/site-library/crosstalk/lib/ionrangeslider
/usr/lib/R/site-library/crosstalk/lib/jquery/jquery.js
/usr/lib/R/site-library/crosstalk/lib/jquery/jquery.min.js
/usr/lib/R/site-library/crosstalk/lib/jquery/jquery.min.map
/usr/lib/R/site-library/crosstalk/lib/selectize/css/selectize.bootstrap3.css
/usr/lib/R/site-library/crosstalk/lib/selectize/js/es5-shim.min.js
/usr/lib/R/site-library/crosstalk/lib/selectize/js/selectize.min.js
/usr/lib/R/site-library/crosstalk/lib/strftime/strftime-min.js