brew-debugging.txt

% brew config
HOMEBREW_VERSION: 2.1.14-23-g8fa65aa
ORIGIN: https://github.com/Homebrew/brew
HEAD: 8fa65aaabf3f38fe502ef83eac86e4e8000d5b22
Last commit: 6 hours ago
Core tap ORIGIN: https://github.com/Homebrew/homebrew-core
Core tap HEAD: 269292460260d54cb730614f7a0d56d8399a870c
Core tap last commit: 27 minutes ago
HOMEBREW_PREFIX: /usr/local
HOMEBREW_DEV_CMD_RUN: 1
CPU: quad-core 64-bit kabylake
Homebrew Ruby: 2.6.3 => /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/bin/ruby
Clang: 11.0 build 1100
Git: 2.23.0 => /usr/local/bin/git
Curl: 7.64.1 => /usr/bin/curl
Java: 13
macOS: 10.15-x86_64
CLT: N/A
Xcode: 11.1
XQuartz: 2.7.11 => /opt/X11
% brew doctor
Please note that these warnings are just used to help the Homebrew maintainers
with debugging if you file an issue. If everything you use Homebrew for is
working fine: please don't worry or file an issue; just ignore this. Thanks!

Warning: You have unlinked kegs in your Cellar.
Leaving kegs unlinked can lead to build-trouble and cause brews that depend on
those kegs to fail to run properly once built. Run `brew link` on these:
  mysql