su: ignoring --preserve-environment, it's mutually exclusive with --login
To enable caching of data, set `options(tigris_use_cache = TRUE)`
in your R script or .Rprofile.

Attaching package: ‘dplyr’

The following objects are masked from ‘package:stats’:

    filter, lag

The following objects are masked from ‘package:base’:

    intersect, setdiff, setequal, union


Listening on http://127.0.0.1:44951
createTcpServer: address already in use
Error in initialize(...) : Failed to create server
Calls: runApp ... startApp -> startServer -> <Anonymous> -> initialize
Execution halted