[macOS General] Homebrew: bitcasa.app をインストールすると、osxfuse もインストールされ、brew doctor でエラーが出る

% brew doctor
Warning: Unbrewed dylibs were found in /usr/local/lib.
If you didn't put them there on purpose they could cause problems when
building Homebrew formulae, and may need to be deleted.
Unexpected dylibs:
    /usr/local/lib/libmacfuse_i32.2.dylib
    /usr/local/lib/libmacfuse_i64.2.dylib
    /usr/local/lib/libosxfuse_i32.2.dylib
    /usr/local/lib/libosxfuse_i64.2.dylib
Warning: Unbrewed .la files were found in /usr/local/lib.
If you didn't put them there on purpose they could cause problems when
building Homebrew formulae, and may need to be deleted.
Unexpected .la files:
    /usr/local/lib/libosxfuse_i32.la
    /usr/local/lib/libosxfuse_i64.la
Warning: Unbrewed .pc files were found in /usr/local/lib/pkgconfig.
If you didn't put them there on purpose they could cause problems when
building Homebrew formulae, and may need to be deleted.
Unexpected .pc files:
    /usr/local/lib/pkgconfig/osxfuse.pc
Warning: Your Homebrew is outdated.
You haven't updated for at least 24 hours, this is a long time in brewland!
To update Homebrew, run `brew update`.

% sudo rm -rf /Applications/Bitcasa.app
% rm -f ~/Library/Preferences/com.bitcasa
% rm -r ~/Library/LaunchAgents/com.bitcasa.Bitcasa.plist
% rm -f ~/Library/ScriptingAdditions/BitcasaIntegration.osax
% rm -rf ~/Library/Caches/com.bitcasa.Bitcasa
% rm -rf ~/Library/Application Support/com.bitcasa.Bitcasa

% brew doctor
Warning: Your Homebrew is outdated.
You haven't updated for at least 24 hours, this is a long time in brewland!
To update Homebrew, run `brew update`.

% brew update
% brew doctor
Your system is ready to brew.