Namespaces in Imports field not imported from:
  ‘knitr’ ‘lifecycle’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘knitr’ ‘lifecycle’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘knitr’ ‘lifecycle’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘knitr’ ‘lifecycle’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘knitr’ ‘lifecycle’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘knitr’ ‘lifecycle’
  All declared Imports should be used.
Initiating curl with CURL_SSL_BACKEND: openssl