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

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: delete-requests
> ### Title: HTTP DELETE requests
> ### Aliases: delete-requests
> 
> ### ** Examples
> 
> (x <- HttpClient$new(url = "https://httpbin.org"))
<crul connection> 
  url: https://httpbin.org
  curl options: 
  proxies: 
  auth: 
  headers: 
> 
> ## a list
> (res1 <- x$delete('delete', body = list(hello = "world"), verbose = TRUE))
* Found bundle for host httpbin.org: 0x55de12b154f0 [can pipeline]
* Hostname httpbin.org was found in DNS cache
*   Trying 75.101.141.88...
* TCP_NODELAY set
* Connected to httpbin.org (75.101.141.88) port 443 (#1)
* found 166 certificates in /etc/ssl/certs/ca-certificates.crt
* found 668 certificates in /etc/ssl/certs
* ALPN, offering h2
* ALPN, offering http/1.1
* SSL connection using TLS1.2 / ECDHE_RSA_AES_128_GCM_SHA256
* 	 server certificate verification OK
* 	 server certificate status verification SKIPPED
* 	 common name: httpbin.org (matched)
* 	 server certificate expiration date OK
* 	 server certificate activation date OK
* 	 certificate public key: RSA
* 	 certificate version: #3
* 	 subject: CN=httpbin.org
* 	 start date: Sat, 15 Jul 2017 23:42:00 GMT
* 	 expire date: Fri, 13 Oct 2017 23:42:00 GMT
* 	 issuer: C=US,O=Let's Encrypt,CN=Let's Encrypt Authority X3
* 	 compression: NULL
* ALPN, server accepted to use http/1.1
> DELETE /delete HTTP/1.1
Host: httpbin.org
Accept: */*
User-Agent: libcurl/7.52.1 r-curl/2.7 crul/0.3.8
Accept-Encoding: gzip, deflate
Content-Length: 145
Expect: 100-continue
Content-Type: multipart/form-data; boundary=------------------------978802981851f26c

* Done waiting for 100-continue
< HTTP/1.1 408 Request Timeout
< Date: Tue, 18 Jul 2017 17:57:57 GMT
< Connection: close
< Content-Type: text/html
< Server: meinheld/0.6.1
< Via: 1.1 vegur
< 
* Curl_http_done: called premature == 0
* Closing connection 1
<crul response> 
  url: https://httpbin.org/delete
  request_headers: 
    User-Agent: libcurl/7.52.1 r-curl/2.7 crul/0.3.8
    Accept-Encoding: gzip, deflate
  response_headers: 
    status: HTTP/1.1 408 Request Timeout
    date: Tue, 18 Jul 2017 17:57:57 GMT
    connection: close
    content-type: text/html
    server: meinheld/0.6.1
    via: 1.1 vegur
  status: 408
> jsonlite::fromJSON(res1$parse("UTF-8"))
Error: lexical error: invalid char in json text.
                                       <html><head><title>Request Time
                     (right here) ------^
Execution halted