required(installr) hangs and must be killed

[cnsltnt51]

Describe the bug
A clear and concise description of what the bug is.

To Reproduce

Learn how to make a great R reproducible example in the following URL:
https://stackoverflow.com/a/5963610/256662

And please supply us with such information so that we will be able to help you with solving the issue.

Expected behavior
A clear and concise description of what you expected to happen.

Screenshots
If applicable, add screenshots to help explain your problem.

Additional context
Add any other context about the problem here.

[cnsltnt51]

Code:
if(!require(installr)) {
install.packages("installr");
require(installr)
}
updateR()
install.Rtools(check = TRUE, check_r_update = TRUE, GUI = TRUE)

source("~/R/R_update.R")
Loading required package: installr

Welcome to installr version 0.23.4

More information is available on the installr project website:
https://github.com/talgalili/installr/

Contact: tal.galili@gmail.com
Suggestions and bug-reports can be submitted at: https://github.com/talgalili/installr/issues

		To suppress this message use:
		suppressPackageStartupMessages(library(installr))

The code hangs