Could not fetch https://api.github.com/repos/RobinHerbots/Inputmask/commits/6fcd2cf28ee111f8aadcd42a1b8d43d6f7a5c0ba, please create a GitHub OAuth token to go over the API rate limit
Head to https://github.com/settings/tokens/new?scopes=repo&description=Composer+on+MB05-RiK.local+2017-12-20+0720
to retrieve a token. It will be stored in "/Users/cboulanger/.composer/auth.json" for future use by Composer.
This is how PHP's composer does it: