Running examples in ‘httr-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: verbose
> ### Title: Give verbose output.
> ### Aliases: verbose
> 
> ### ** Examples
> 
> GET("http://httpbin.org", verbose())
-> GET / HTTP/1.1
-> Host: httpbin.org
-> User-Agent: libcurl/7.63.0 r-curl/3.3 httr/1.4.0
-> Accept-Encoding: gzip, deflate
-> Cookie: b=2; a=1
-> Accept: application/json, text/xml, application/xml, */*
-> 
<- HTTP/1.1 200 OK
<- Access-Control-Allow-Credentials: true
<- Access-Control-Allow-Origin: *
<- Content-Encoding: gzip
<- Content-Type: text/html; charset=utf-8
<- Date: Sun, 17 Feb 2019 18:58:22 GMT
<- Server: nginx
<- Content-Length: 3168
<- Connection: keep-alive
<- 
Response [http://httpbin.org]
  Date: 2019-02-17 18:58
  Status: 200
  Content-Type: text/html; charset=utf-8
  Size: 9.59 kB
<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <title>httpbin.org</title>
    <link href="https://fonts.googleapis.com/css?family=Open+Sans:400,700|Sou...
        rel="stylesheet">
    <link rel="stylesheet" type="text/css" href="/flasgger_static/swagger-ui....
    <link rel="icon" type="image/png" href="/static/favicon.ico" sizes="64x64...
...
> GET("http://httpbin.org", verbose(info = TRUE))
*  Found bundle for host httpbin.org: 0x5622eb7d1fc0 [can pipeline]
*  Could pipeline, but not asked to!
*  Re-using existing connection! (#5) with host httpbin.org
*  Connected to httpbin.org (54.210.134.4) port 80 (#5)
-> GET / HTTP/1.1
-> Host: httpbin.org
-> User-Agent: libcurl/7.63.0 r-curl/3.3 httr/1.4.0
-> Accept-Encoding: gzip, deflate
-> Cookie: b=2; a=1
-> Accept: application/json, text/xml, application/xml, */*
-> 
<- HTTP/1.1 200 OK
<- Access-Control-Allow-Credentials: true
<- Access-Control-Allow-Origin: *
<- Content-Encoding: gzip
<- Content-Type: text/html; charset=utf-8
<- Date: Sun, 17 Feb 2019 18:58:22 GMT
<- Server: nginx
<- Content-Length: 3168
<- Connection: keep-alive
<- 
*  Connection #5 to host httpbin.org left intact
Response [http://httpbin.org]
  Date: 2019-02-17 18:58
  Status: 200
  Content-Type: text/html; charset=utf-8
  Size: 9.59 kB
<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <title>httpbin.org</title>
    <link href="https://fonts.googleapis.com/css?family=Open+Sans:400,700|Sou...
        rel="stylesheet">
    <link rel="stylesheet" type="text/css" href="/flasgger_static/swagger-ui....
    <link rel="icon" type="image/png" href="/static/favicon.ico" sizes="64x64...
...
> 
> f <- function() {
+   GET("http://httpbin.org")
+ }
> with_verbose(f())
-> GET / HTTP/1.1
-> Host: httpbin.org
-> User-Agent: libcurl/7.63.0 r-curl/3.3 httr/1.4.0
-> Accept-Encoding: gzip, deflate
-> Cookie: b=2; a=1
-> Accept: application/json, text/xml, application/xml, */*
-> 
<- HTTP/1.1 200 OK
<- Access-Control-Allow-Credentials: true
<- Access-Control-Allow-Origin: *
<- Content-Encoding: gzip
<- Content-Type: text/html; charset=utf-8
<- Date: Sun, 17 Feb 2019 18:58:22 GMT
<- Server: nginx
<- Content-Length: 3168
<- Connection: keep-alive
<- 
Response [http://httpbin.org]
  Date: 2019-02-17 18:58
  Status: 200
  Content-Type: text/html; charset=utf-8
  Size: 9.59 kB
<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <title>httpbin.org</title>
    <link href="https://fonts.googleapis.com/css?family=Open+Sans:400,700|Sou...
        rel="stylesheet">
    <link rel="stylesheet" type="text/css" href="/flasgger_static/swagger-ui....
    <link rel="icon" type="image/png" href="/static/favicon.ico" sizes="64x64...
...
> with_verbose(f(), info = TRUE)
*  Found bundle for host httpbin.org: 0x5622eb7d1fc0 [can pipeline]
*  Could pipeline, but not asked to!
*  Re-using existing connection! (#5) with host httpbin.org
*  Connected to httpbin.org (54.210.134.4) port 80 (#5)
-> GET / HTTP/1.1
-> Host: httpbin.org
-> User-Agent: libcurl/7.63.0 r-curl/3.3 httr/1.4.0
-> Accept-Encoding: gzip, deflate
-> Cookie: b=2; a=1
-> Accept: application/json, text/xml, application/xml, */*
-> 
<- HTTP/1.1 200 OK
<- Access-Control-Allow-Credentials: true
<- Access-Control-Allow-Origin: *
<- Content-Encoding: gzip
<- Content-Type: text/html; charset=utf-8
<- Date: Sun, 17 Feb 2019 18:58:23 GMT
<- Server: nginx
<- Content-Length: 3168
<- Connection: keep-alive
<- 
*  Connection #5 to host httpbin.org left intact
Response [http://httpbin.org]
  Date: 2019-02-17 18:58
  Status: 200
  Content-Type: text/html; charset=utf-8
  Size: 9.59 kB
<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <title>httpbin.org</title>
    <link href="https://fonts.googleapis.com/css?family=Open+Sans:400,700|Sou...
        rel="stylesheet">
    <link rel="stylesheet" type="text/css" href="/flasgger_static/swagger-ui....
    <link rel="icon" type="image/png" href="/static/favicon.ico" sizes="64x64...
...
> 
> # verbose() makes it easy to see exactly what POST requests send
> POST_verbose <- function(body, ...) {
+   POST("https://httpbin.org/post", body = body, verbose(), ...)
+   invisible()
+ }
> POST_verbose(list(x = "a", y = "b"))
Error in curl::curl_fetch_memory(url, handle = handle) : 
  Failed to connect to httpbin.org port 443: Connection timed out
Calls: POST_verbose ... request_fetch -> request_fetch.write_memory -> <Anonymous>
Execution halted