Error(s) in re-building vignettes:
--- re-building 'basics.Rmd' using rmarkdown
Could not fetch https://www.youtube.com/embed/tHSWIjg26vg
HttpExceptionRequest Request {
  host                 = "www.youtube.com"
  port                 = 443
  secure               = True
  requestHeaders       = []
  path                 = "/embed/tHSWIjg26vg"
  queryString          = ""
  method               = "GET"
  proxy                = Nothing
  rawBody              = False
  redirectCount        = 10
  responseTimeout      = ResponseTimeoutDefault
  requestVersion       = HTTP/1.1
}
 (InternalException (HostCannotConnect "www.youtube.com" [Network.Socket.connect: <socket: 796>: failed (Connection timed out (WSAETIMEDOUT)),Network.Socket.connect: <socket: 796>: failed (Connection timed out (WSAETIMEDOUT)),Network.Socket.connect: <socket: 796>: failed (Connection timed out (WSAETIMEDOUT)),Network.Socket.connect: <socket: 796>: failed (Connection timed out (WSAETIMEDOUT)),Network.Socket.connect: <socket: 796>: failed (Connection timed out (WSAETIMEDOUT)),Network.Socket.connect: <socket: 796>: failed (Connection timed out (WSAETIMEDOUT)),Network.Socket.connect: <socket: 796>: failed (Connection timed out (WSAETIMEDOUT)),Network.Socket.connect: <socket: 796>: failed (Connection timed out (WSAETIMEDOUT)),Network.Socket.connect: <socket: 796>: failed (Connection timed out (WSAETIMEDOUT)),Network.Socket.connect: <socket: 796>: failed (Connection timed out (WSAETIMEDOUT)),Network.Socket.connect: <socket: 796>: failed (Connection timed out (WSAETIMEDOUT)),Network.Socket.connect: <socket: 796>: failed (Connection timed out (WSAETIMEDOUT)),Network.Socket.connect: <socket: 796>: failed (Connection timed out (WSAETIMEDOUT)),Network.Socket.connect: <socket: 796>: failed (Connection timed out (WSAETIMEDOUT)),Network.Socket.connect: <socket: 796>: failed (Connection timed out (WSAETIMEDOUT)),Network.Socket.connect: <socket: 796>: failed (Connection timed out (WSAETIMEDOUT))]))
Error: processing vignette 'basics.Rmd' failed with diagnostics:
pandoc document conversion failed with error 61
--- failed re-building 'basics.Rmd'

SUMMARY: processing the following file failed:
  'basics.Rmd'

Error: Vignette re-building failed.
Execution halted