Error return value of `p.stop` is not checked (errcheck)

`withing` is a misspelling of `within` (misspell)

Error return value of `protocol.Registry.Register` is not checked (errcheck)

error is not nil (line 159) but it returns nil (nilerr)

issues found

Unexpected input(s) 'skip-go-installation', valid inputs are ['version', 'install-mode', 'working-directory', 'github-token', 'only-new-issues', 'skip-cache', 'skip-save-cache', 'problem-matchers', 'args', 'cache-invalidation-interval']