I got this message while running brew upgrade today
Using yqrashawn/goku
Warning: Calling bottle :unneeded is deprecated! There is no replacement.
Please report this issue to the candid82/brew tap (not Homebrew/brew or Homebrew/core):
/usr/local/Homebrew/Library/Taps/candid82/homebrew-brew/joker.rb:14
I got this message while running
brew upgrade
today