variable "x" is unused (if the variable is not meant to be used, prefix it with an underscore)

Mix.ensure_application!/1 is undefined or private

Macro.to_string/2 is deprecated. Use Macro.to_string/1 instead

Logger.default_formatter/1 is undefined or private

:dialyzer_iplt.plt_and_info_from_file/1 is undefined (module :dialyzer_iplt is not available or is yet to be defined)

:dialyzer.run_report_modules_changed_and_analyzed/1 is undefined or private