Error(s) in re-building vignettes:
  ...
--- re-building ‘vignette.rmd’ using rmarkdown
Could not fetch https://travis-ci.org/traversc/glow.svg
HttpExceptionRequest Request {
  host                 = "travis-ci.org"
  port                 = 443
  secure               = True
  requestHeaders       = []
  path                 = "/traversc/glow.svg"
  queryString          = ""
  method               = "GET"
  proxy                = Nothing
  rawBody              = False
  redirectCount        = 10
  responseTimeout      = ResponseTimeoutDefault
  requestVersion       = HTTP/1.1
  proxySecureMode      = ProxySecureWithConnect
}
 (TooManyRedirects [Response {responseStatus = Status {statusCode = 308, statusMessage = "Permanent Redirect"}, responseVersion = HTTP/1.1, responseHeaders = [("Date","Sun, 26 Mar 2023 19:14:56 GMT"),("Content-Type","text/html"),("Transfer-Encoding","chunked"),("Connection","keep-alive"),("Location","https://travis-ci.org/traversc/glow.svg"),("CF-Cache-Status","BYPASS"),("Report-To","{\"endpoints\":[{\"url\":\"https:\\/\\/a.nel.cloudflare.com\\/report\\/v3?s=4jKYWwNJuq8hyBiVvyi7BSJNNbIg9SKv2YrHR0gdyXQV%2FCvKO1cRDgPiJsxgmVABwSREcp15SO02AM9txIacY3Wxz%2F3fhYCpCwhLt61PLtskbImp9Rm9bGzNr0BvZ0nu\"}],\"group\":\"cf-nel\",\"max_age\":604800}"),("NEL","{\"success_fraction\":0,\"report_to\":\"cf-nel\",\"max_age\":604800}"),("Vary","Accept-Encoding"),("Server","cloudflare"),("CF-RAY","7ae1b82d8b660f8a-VIE"),("alt-svc","h3=\":443\"; ma=86400, h3-29=\":443\"; ma=86400")], responseBody = "<html>\r\n<head><title>308 Permanent Redirect</title></head>\r\n<body>\r\n<center><h1>308 Permanent Redirect</h1></center>\r\n<hr><center>openresty</center>\r\n</body>\r\n</html>\r\n", responseCookieJar = CJ {expose = []}, responseClose' = ResponseClose, responseOriginalRequest = Request {
  host                 = "travis-ci.org"
  port                 = 443
  secure               = True
  requestHeaders       = []
  path                 = "/traversc/glow.svg"
  queryString          = ""
  method               = "GET"
  proxy                = Nothing
  rawBody              = False
  redirectCount        = 10
  responseTimeout      = ResponseTimeoutDefault
  requestVersion       = HTTP/1.1
  proxySecureMode      = ProxySecureWithConnect
}
},Response {responseStatus = Status {statusCode = 308, statusMessage = "Permanent Redirect"}, responseVersion = HTTP/1.1, responseHeaders = [("Date","Sun, 26 Mar 2023 19:14:56 GMT"),("Content-Type","text/html"),("Transfer-Encoding","chunked"),("Connection","keep-alive"),("Location","https://travis-ci.org/traversc/glow.svg"),("CF-Cache-Status","BYPASS"),("Report-To","{\"endpoints\":[{\"url\":\"https:\\/\\/a.nel.cloudflare.com\\/report\\/v3?s=5FhLJPP%2FUmvXByJVarSd0DSc3zxGuyowZf8%2Ff3gk7LG5xRFwlHLs5OQ45oNgraP1jl9lsOnb2M2SMbWQ1kHIa0HSY2F3rKMqSiiaoJkl0n5Uj8DtKMAu9y%2FrMzy6ZAeV\"}],\"group\":\"cf-nel\",\"max_age\":604800}"),("NEL","{\"success_fraction\":0,\"report_to\":\"cf-nel\",\"max_age\":604800}"),("Vary","Accept-Encoding"),("Server","cloudflare"),("CF-RAY","7ae1b82cba990f8a-VIE"),("alt-svc","h3=\":443\"; ma=86400, h3-29=\":443\"; ma=86400")], responseBody = "<html>\r\n<head><title>308 Permanent Redirect</title></head>\r\n<body>\r\n<center><h1>308 Permanent Redirect</h1></center>\r\n<hr><center>openresty</center>\r\n</body>\r\n</html>\r\n", responseCookieJar = CJ {expose = []}, responseClose' = ResponseClose, responseOriginalRequest = Request {
  host                 = "travis-ci.org"
  port                 = 443
  secure               = True
  requestHeaders       = []
  path                 = "/traversc/glow.svg"
  queryString          = ""
  method               = "GET"
  proxy                = Nothing
  rawBody              = False
  redirectCount        = 10
  responseTimeout      = ResponseTimeoutDefault
  requestVersion       = HTTP/1.1
  proxySecureMode      = ProxySecureWithConnect
}
},Response {responseStatus = Status {statusCode = 308, statusMessage = "Permanent Redirect"}, responseVersion = HTTP/1.1, responseHeaders = [("Date","Sun, 26 Mar 2023 19:14:56 GMT"),("Content-Type","text/html"),("Transfer-Encoding","chunked"),("Connection","keep-alive"),("Location","https://travis-ci.org/traversc/glow.svg"),("CF-Cache-Status","BYPASS"),("Report-To","{\"endpoints\":[{\"url\":\"https:\\/\\/a.nel.cloudflare.com\\/report\\/v3?s=BorTnecfTEmBG2sqjvFR%2B17MKTIgsmuPVVxuFttps6zLK6JF%2FQh5sFBlNgCiP%2F966tYuLiqzC0uT9m8ZF3LiEsXFhbecosf1pGyaDdTAuWYrbzYhDYRn%2FodqiOor1VbP\"}],\"group\":\"cf-nel\",\"max_age\":604800}"),("NEL","{\"success_fraction\":0,\"report_to\":\"cf-nel\",\"max_age\":604800}"),("Vary","Accept-Encoding"),("Server","cloudflare"),("CF-RAY","7ae1b82bf9b50f8a-VIE"),("alt-svc","h3=\":443\"; ma=86400, h3-29=\":443\"; ma=86400")], responseBody = "<html>\r\n<head><title>308 Permanent Redirect</title></head>\r\n<body>\r\n<center><h1>308 Permanent Redirect</h1></center>\r\n<hr><center>openresty</center>\r\n</body>\r\n</html>\r\n", responseCookieJar = CJ {expose = []}, responseClose' = ResponseClose, responseOriginalRequest = Request {
  host                 = "travis-ci.org"
  port                 = 443
  secure               = True
  requestHeaders       = []
  path                 = "/traversc/glow.svg"
  queryString          = ""
  method               = "GET"
  proxy                = Nothing
  rawBody              = False
  redirectCount        = 10
  responseTimeout      = ResponseTimeoutDefault
  requestVersion       = HTTP/1.1
  proxySecureMode      = ProxySecureWithConnect
}
},Response {responseStatus = Status {statusCode = 308, statusMessage = "Permanent Redirect"}, responseVersion = HTTP/1.1, responseHeaders = [("Date","Sun, 26 Mar 2023 19:14:55 GMT"),("Content-Type","text/html"),("Transfer-Encoding","chunked"),("Connection","keep-alive"),("Location","https://travis-ci.org/traversc/glow.svg"),("CF-Cache-Status","BYPASS"),("Report-To","{\"endpoints\":[{\"url\":\"https:\\/\\/a.nel.cloudflare.com\\/report\\/v3?s=MUlug%2BxGUlfndpAuKBQZtcCliTjLMsc%2FNYhAsMwQpa89Us2cHB3oPmugAsosthk4rpvF4vCtHQGrNmU1roxKLT4vSGB1LAyX8%2F5PeCBEWObnJ%2FM1L5Z0%2F0HUwfcizCt7\"}],\"group\":\"cf-nel\",\"max_age\":604800}"),("NEL","{\"success_fraction\":0,\"report_to\":\"cf-nel\",\"max_age\":604800}"),("Vary","Accept-Encoding"),("Server","cloudflare"),("CF-RAY","7ae1b82b28e30f8a-VIE"),("alt-svc","h3=\":443\"; ma=86400, h3-29=\":443\"; ma=86400")], responseBody = "<html>\r\n<head><title>308 Permanent Redirect</title></head>\r\n<body>\r\n<center><h1>308 Permanent Redirect</h1></center>\r\n<hr><center>openresty</center>\r\n</body>\r\n</html>\r\n", responseCookieJar = CJ {expose = []}, responseClose' = ResponseClose, responseOriginalRequest = Request {
  host                 = "travis-ci.org"
  port                 = 443
  secure               = True
  requestHeaders       = []
  path                 = "/traversc/glow.svg"
  queryString          = ""
  method               = "GET"
  proxy                = Nothing
  rawBody              = False
  redirectCount        = 10
  responseTimeout      = ResponseTimeoutDefault
  requestVersion       = HTTP/1.1
  proxySecureMode      = ProxySecureWithConnect
}
},Response {responseStatus = Status {statusCode = 308, statusMessage = "Permanent Redirect"}, responseVersion = HTTP/1.1, responseHeaders = [("Date","Sun, 26 Mar 2023 19:14:55 GMT"),("Content-Type","text/html"),("Transfer-Encoding","chunked"),("Connection","keep-alive"),("Location","https://travis-ci.org/traversc/glow.svg"),("CF-Cache-Status","BYPASS"),("Report-To","{\"endpoints\":[{\"url\":\"https:\\/\\/a.nel.cloudflare.com\\/report\\/v3?s=Dj59cCTC4LFkn8xQAO7gyN4rtqkDFHI9qpSA85Kf2l1yg5miyAOH7th%2FlHLoUBMMd5FLfeGK8TSw0ZlVYbg4UviVQWEqUm35QhT0LlWbzJOwN7gZMvB2WN9NucelN373\"}],\"group\":\"cf-nel\",\"max_age\":604800}"),("NEL","{\"success_fraction\":0,\"report_to\":\"cf-nel\",\"max_age\":604800}"),("Vary","Accept-Encoding"),("Server","cloudflare"),("CF-RAY","7ae1b82a5ff40f8a-VIE"),("alt-svc","h3=\":443\"; ma=86400, h3-29=\":443\"; ma=86400")], responseBody = "<html>\r\n<head><title>308 Permanent Redirect</title></head>\r\n<body>\r\n<center><h1>308 Permanent Redirect</h1></center>\r\n<hr><center>openresty</center>\r\n</body>\r\n</html>\r\n", responseCookieJar = CJ {expose = []}, responseClose' = ResponseClose, responseOriginalRequest = Request {
  host                 = "travis-ci.org"
  port                 = 443
  secure               = True
  requestHeaders       = []
  path                 = "/traversc/glow.svg"
  queryString          = ""
  method               = "GET"
  proxy                = Nothing
  rawBody              = False
  redirectCount        = 10
  responseTimeout      = ResponseTimeoutDefault
  requestVersion       = HTTP/1.1
  proxySecureMode      = ProxySecureWithConnect
}
},Response {responseStatus = Status {statusCode = 308, statusMessage = "Permanent Redirect"}, responseVersion = HTTP/1.1, responseHeaders = [("Date","Sun, 26 Mar 2023 19:14:55 GMT"),("Content-Type","text/html"),("Transfer-Encoding","chunked"),("Connection","keep-alive"),("Location","https://travis-ci.org/traversc/glow.svg"),("CF-Cache-Status","BYPASS"),("Report-To","{\"endpoints\":[{\"url\":\"https:\\/\\/a.nel.cloudflare.com\\/report\\/v3?s=SE%2BvD9KFNyyI%2BnAN4QHRMjtKHMCa9jXY%2B%2F3TtVVWnF1YHsrqk7K0rmfwXJkP0UfhUOUiZ9rIl6Su52ae4Sk0xRRSccTjd6%2FMQMDzHS%2FHGKOiltWNmfo1oto2Zv94HcCA\"}],\"group\":\"cf-nel\",\"max_age\":604800}"),("NEL","{\"success_fraction\":0,\"report_to\":\"cf-nel\",\"max_age\":604800}"),("Vary","Accept-Encoding"),("Server","cloudflare"),("CF-RAY","7ae1b8298f2c0f8a-VIE"),("alt-svc","h3=\":443\"; ma=86400, h3-29=\":443\"; ma=86400")], responseBody = "<html>\r\n<head><title>308 Permanent Redirect</title></head>\r\n<body>\r\n<center><h1>308 Permanent Redirect</h1></center>\r\n<hr><center>openresty</center>\r\n</body>\r\n</html>\r\n", responseCookieJar = CJ {expose = []}, responseClose' = ResponseClose, responseOriginalRequest = Request {
  host                 = "travis-ci.org"
  port                 = 443
  secure               = True
  requestHeaders       = []
  path                 = "/traversc/glow.svg"
  queryString          = ""
  method               = "GET"
  proxy                = Nothing
  rawBody              = False
  redirectCount        = 10
  responseTimeout      = ResponseTimeoutDefault
  requestVersion       = HTTP/1.1
  proxySecureMode      = ProxySecureWithConnect
}
},Response {responseStatus = Status {statusCode = 308, statusMessage = "Permanent Redirect"}, responseVersion = HTTP/1.1, responseHeaders = [("Date","Sun, 26 Mar 2023 19:14:55 GMT"),("Content-Type","text/html"),("Transfer-Encoding","chunked"),("Connection","keep-alive"),("Location","https://travis-ci.org/traversc/glow.svg"),("CF-Cache-Status","BYPASS"),("Report-To","{\"endpoints\":[{\"url\":\"https:\\/\\/a.nel.cloudflare.com\\/report\\/v3?s=nMikuFjdV1JpPEWwH%2BaFRIZdH7v7%2Fxx5ENzXu0Z7rDZCrLzOrbI279xvFf7deFiqPxpbHigCw%2FLYT1iwEZBBYx%2FYic7P8tZn2l0ZkSaA6uO0RM%2FH%2FzSkSAXvOb%2BkDc%2B7\"}],\"group\":\"cf-nel\",\"max_age\":604800}"),("NEL","{\"success_fraction\":0,\"report_to\":\"cf-nel\",\"max_age\":604800}"),("Vary","Accept-Encoding"),("Server","cloudflare"),("CF-RAY","7ae1b828ce410f8a-VIE"),("alt-svc","h3=\":443\"; ma=86400, h3-29=\":443\"; ma=86400")], responseBody = "<html>\r\n<head><title>308 Permanent Redirect</title></head>\r\n<body>\r\n<center><h1>308 Permanent Redirect</h1></center>\r\n<hr><center>openresty</center>\r\n</body>\r\n</html>\r\n", responseCookieJar = CJ {expose = []}, responseClose' = ResponseClose, responseOriginalRequest = Request {
  host                 = "travis-ci.org"
  port                 = 443
  secure               = True
  requestHeaders       = []
  path                 = "/traversc/glow.svg"
  queryString          = ""
  method               = "GET"
  proxy                = Nothing
  rawBody              = False
  redirectCount        = 10
  responseTimeout      = ResponseTimeoutDefault
  requestVersion       = HTTP/1.1
  proxySecureMode      = ProxySecureWithConnect
}
},Response {responseStatus = Status {statusCode = 308, statusMessage = "Permanent Redirect"}, responseVersion = HTTP/1.1, responseHeaders = [("Date","Sun, 26 Mar 2023 19:14:55 GMT"),("Content-Type","text/html"),("Transfer-Encoding","chunked"),("Connection","keep-alive"),("Location","https://travis-ci.org/traversc/glow.svg"),("CF-Cache-Status","BYPASS"),("Report-To","{\"endpoints\":[{\"url\":\"https:\\/\\/a.nel.cloudflare.com\\/report\\/v3?s=n51x83BkuQ8vtMNO4g7PIN%2FpPvnDtrQvK1hbCHNFwBa5XVLHE5dprto%2BijqA9HZWhXYiE8GFXvn2bacYvd2rShBUDLPBB63N65Y%2FZzmYVkqnnpLK6gC2w8bYJh6v%2B82v\"}],\"group\":\"cf-nel\",\"max_age\":604800}"),("NEL","{\"success_fraction\":0,\"report_to\":\"cf-nel\",\"max_age\":604800}"),("Vary","Accept-Encoding"),("Server","cloudflare"),("CF-RAY","7ae1b827fd5c0f8a-VIE"),("alt-svc","h3=\":443\"; ma=86400, h3-29=\":443\"; ma=86400")], responseBody = "<html>\r\n<head><title>308 Permanent Redirect</title></head>\r\n<body>\r\n<center><h1>308 Permanent Redirect</h1></center>\r\n<hr><center>openresty</center>\r\n</body>\r\n</html>\r\n", responseCookieJar = CJ {expose = []}, responseClose' = ResponseClose, responseOriginalRequest = Request {
  host                 = "travis-ci.org"
  port                 = 443
  secure               = True
  requestHeaders       = []
  path                 = "/traversc/glow.svg"
  queryString          = ""
  method               = "GET"
  proxy                = Nothing
  rawBody              = False
  redirectCount        = 10
  responseTimeout      = ResponseTimeoutDefault
  requestVersion       = HTTP/1.1
  proxySecureMode      = ProxySecureWithConnect
}
},Response {responseStatus = Status {statusCode = 308, statusMessage = "Permanent Redirect"}, responseVersion = HTTP/1.1, responseHeaders = [("Date","Sun, 26 Mar 2023 19:14:55 GMT"),("Content-Type","text/html"),("Transfer-Encoding","chunked"),("Connection","keep-alive"),("Location","https://travis-ci.org/traversc/glow.svg"),("CF-Cache-Status","BYPASS"),("Report-To","{\"endpoints\":[{\"url\":\"https:\\/\\/a.nel.cloudflare.com\\/report\\/v3?s=Z8aYOxgVbMqUSSJ4kDxwnZJQf7qQm%2FIQ%2FGxpUPxqR2dOOaNn3HY6CcetXVJVXlzpCsXTaRnhlspSHRN0KX9yUWLk%2BdzqK%2Byb5xVlf83NEXzCksrjcFyHHuldqei%2Fg4YA\"}],\"group\":\"cf-nel\",\"max_age\":604800}"),("NEL","{\"success_fraction\":0,\"report_to\":\"cf-nel\",\"max_age\":604800}"),("Vary","Accept-Encoding"),("Server","cloudflare"),("CF-RAY","7ae1b8272c860f8a-VIE"),("alt-svc","h3=\":443\"; ma=86400, h3-29=\":443\"; ma=86400")], responseBody = "<html>\r\n<head><title>308 Permanent Redirect</title></head>\r\n<body>\r\n<center><h1>308 Permanent Redirect</h1></center>\r\n<hr><center>openresty</center>\r\n</body>\r\n</html>\r\n", responseCookieJar = CJ {expose = []}, responseClose' = ResponseClose, responseOriginalRequest = Request {
  host                 = "travis-ci.org"
  port                 = 443
  secure               = True
  requestHeaders       = []
  path                 = "/traversc/glow.svg"
  queryString          = ""
  method               = "GET"
  proxy                = Nothing
  rawBody              = False
  redirectCount        = 10
  responseTimeout      = ResponseTimeoutDefault
  requestVersion       = HTTP/1.1
  proxySecureMode      = ProxySecureWithConnect
}
},Response {responseStatus = Status {statusCode = 308, statusMessage = "Permanent Redirect"}, responseVersion = HTTP/1.1, responseHeaders = [("Date","Sun, 26 Mar 2023 19:14:55 GMT"),("Content-Type","text/html"),("Transfer-Encoding","chunked"),("Connection","keep-alive"),("Location","https://travis-ci.org/traversc/glow.svg"),("CF-Cache-Status","BYPASS"),("Report-To","{\"endpoints\":[{\"url\":\"https:\\/\\/a.nel.cloudflare.com\\/report\\/v3?s=mhNTm3ZtuC29BNiG%2FLnMGc0TGV3N2LVQsP%2Fs0vm5ILnOnoSId7lhdVtLUAL4Bnrjd7uruEE5yPjxWT2oe2hWoOYFzW%2Bf9c0VPb0Ka%2FF8CZ%2BZNBcdSXpRqISXkxKrqLvO\"}],\"group\":\"cf-nel\",\"max_age\":604800}"),("NEL","{\"success_fraction\":0,\"report_to\":\"cf-nel\",\"max_age\":604800}"),("Vary","Accept-Encoding"),("Server","cloudflare"),("CF-RAY","7ae1b8265b9f0f8a-VIE"),("alt-svc","h3=\":443\"; ma=86400, h3-29=\":443\"; ma=86400")], responseBody = "<html>\r\n<head><title>308 Permanent Redirect</title></head>\r\n<body>\r\n<center><h1>308 Permanent Redirect</h1></center>\r\n<hr><center>openresty</center>\r\n</body>\r\n</html>\r\n", responseCookieJar = CJ {expose = []}, responseClose' = ResponseClose, responseOriginalRequest = Request {
  host                 = "travis-ci.org"
  port                 = 443
  secure               = True
  requestHeaders       = []
  path                 = "/traversc/glow.svg"
  queryString          = ""
  method               = "GET"
  proxy                = Nothing
  rawBody              = False
  redirectCount        = 10
  responseTimeout      = ResponseTimeoutDefault
  requestVersion       = HTTP/1.1
  proxySecureMode      = ProxySecureWithConnect
}
},Response {responseStatus = Status {statusCode = 308, statusMessage = "Permanent Redirect"}, responseVersion = HTTP/1.1, responseHeaders = [("Date","Sun, 26 Mar 2023 19:14:55 GMT"),("Content-Type","text/html"),("Transfer-Encoding","chunked"),("Connection","keep-alive"),("Location","https://travis-ci.org/traversc/glow.svg"),("CF-Cache-Status","BYPASS"),("Report-To","{\"endpoints\":[{\"url\":\"https:\\/\\/a.nel.cloudflare.com\\/report\\/v3?s=4TxcZF9DhbU1lidZWgq9OlBRLac9hNIAl5Y2%2FouDsGqCBmAL1NaVsnxaFc%2B8P0AKR4vvqOxVpiDjryvzhZP20rOgGjyIliVLXewchhzoCSHdtbqHNvLEGuPP97XVDqJF\"}],\"group\":\"cf-nel\",\"max_age\":604800}"),("NEL","{\"success_fraction\":0,\"report_to\":\"cf-nel\",\"max_age\":604800}"),("Vary","Accept-Encoding"),("Server","cloudflare"),("CF-RAY","7ae1b824c9f20f8a-VIE"),("alt-svc","h3=\":443\"; ma=86400, h3-29=\":443\"; ma=86400")], responseBody = "<html>\r\n<head><title>308 Permanent Redirect</title></head>\r\n<body>\r\n<center><h1>308 Permanent Redirect</h1></center>\r\n<hr><center>openresty</center>\r\n</body>\r\n</html>\r\n", responseCookieJar = CJ {expose = []}, responseClose' = ResponseClose, responseOriginalRequest = Request {
  host                 = "travis-ci.org"
  port                 = 443
  secure               = True
  requestHeaders       = []
  path                 = "/traversc/glow.svg"
  queryString          = ""
  method               = "GET"
  proxy                = Nothing
  rawBody              = False
  redirectCount        = 10
  responseTimeout      = ResponseTimeoutDefault
  requestVersion       = HTTP/1.1
  proxySecureMode      = ProxySecureWithConnect
}
}])
Error: processing vignette ‘vignette.rmd’ failed with diagnostics:
pandoc document conversion failed with error 61
--- failed re-building ‘vignette.rmd’

SUMMARY: processing the following file failed:
  ‘vignette.rmd’

Error: Vignette re-building failed.
Execution halted