.existsTestLogger: no visible binding for global variable '.testLogger'
CLIArgumentParser: no visible global function definition for
  'ArgumentParser'
CLIArgumentParser: no visible global function definition for 'proto'
chunkOutputHook : <anonymous> : <anonymous>: no visible binding for
  global variable 'knit_hooks'
cite_pkg: no visible global function definition for 'read.bib'
hook_backspace : <anonymous>: no visible binding for global variable
  'knit_hooks'
knit_ex: no visible global function definition for 'knit2html'
knit_ex: no visible global function definition for 'knit'
latex_bibliography: no visible binding for global variable 'knit_hooks'
makeUnitVignette: no visible global function definition for 'getErrors'
runVignette.rnw_knitr: no visible binding for global variable
  'opts_chunk'
runVignette.rnw_knitr: no visible global function definition for
  'knit2pdf'
runVignette.rnw_knitr: no visible global function definition for 'knit'
write_PACKAGES_index: no visible global function definition for
  'HTMLReport'
write_PACKAGES_index : linkPackage: no visible global function
  definition for 'hwrite'
write_PACKAGES_index: no visible global function definition for
  'publish'
write_PACKAGES_index: no visible global function definition for
  'knit2html'
write_PACKAGES_index: no visible global function definition for
  'finish'
utest,RUnitTestSuite : .local: no visible global function definition
  for 'runTestSuite'
utest,RUnitTestSuite : .local: no visible global function definition
  for 'printTextProtocol'
utest,RUnitTestSuite : .local: no visible global function definition
  for 'printHTMLProtocol'
utest,RUnitTestSuite : .local: no visible global function definition
  for 'getErrors'
utest,character : .local: no visible binding for global variable
  'devtools'
utest,character : .local: no visible global function definition for
  'is.package'
utest,character : .local: no visible global function definition for
  'load_all'
utest,character : .local: no visible global function definition for
  'defineTestSuite'
utest,character : .local: no visible global function definition for
  'test_dir'
utest,character : .local: no visible global function definition for
  'runTestFile'
utest,character : .local: no visible global function definition for
  'test_file'