WP-CLI mysteriously stopping while downloading the core [closed]

Well, nine months later I revisited the issue and it turns out my local version of php was out of date thanks to my version of MAMP being an older copy. Updated MAMP, and therefore my working PHP version, and all works splendidly now!

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)