brew cask uninstall onepasssword issues

brew-cask-uninstall-onepassword

┌─[getchell][Hapkido][~]
└─▪ brew update
Already up-to-date.
┌─[getchell][Hapkido][~]
└─▪ brew --config
HOMEBREW_VERSION: 0.9.5
ORIGIN: https://github.com/Homebrew/homebrew.git
HEAD: 29b88457870d46901acc7bba6523b475e3a92674
HOMEBREW_PREFIX: /usr/local
HOMEBREW_CELLAR: /usr/local/Cellar
CPU: 8-core 64-bit ivybridge
OS X: 10.9.2-x86_64
Xcode: 5.1
CLT: 5.1.0.0.1.1393561416
GCC-4.2: build 5666
Clang: 5.1 build 503
X11: 2.7.5 => /opt/X11
System Ruby: 1.8.7-358
Perl: /usr/bin/perl
Python: /usr/bin/python
Ruby: /Users/getchell/.rbenv/shims/ruby
┌─[getchell][Hapkido][~]
└─▪ 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
┌─[getchell][Hapkido][~]
└─▪ brew cask uninstall one-password 2>&1
Error: undefined method `exist?' for nil:NilClass
Please report this bug:
    https://github.com/Homebrew/homebrew/wiki/troubleshooting
/usr/local/Cellar/brew-cask/0.32.0/rubylib/cask/installer.rb:133:in `purge_files'
/usr/local/Cellar/brew-cask/0.32.0/rubylib/cask/installer.rb:118:in `uninstall'
/usr/local/Cellar/brew-cask/0.32.0/rubylib/cask/cli/uninstall.rb:9:in `run'
/usr/local/Cellar/brew-cask/0.32.0/rubylib/cask/cli/uninstall.rb:5:in `each'
/usr/local/Cellar/brew-cask/0.32.0/rubylib/cask/cli/uninstall.rb:5:in `run'
/usr/local/Cellar/brew-cask/0.32.0/rubylib/cask/cli.rb:55:in `run_command'
/usr/local/Cellar/brew-cask/0.32.0/rubylib/cask/cli.rb:70:in `process'
/usr/local/bin/brew-cask.rb:6
/usr/local/Library/brew.rb:65:in `require'
/usr/local/Library/brew.rb:65:in `require?'
/usr/local/Library/brew.rb:111
┌─[getchell][Hapkido][~]
└─▪ brew cask list
alfred		    firefox		macfusion	    skype		textmate	    virtualbox
anki		    github		menumeters	    steam		torbrowserbundle    xquartz
dropbox		    google-chrome	one-password (!)    sublime-text	truecrypt	    zotero
evernote	    lighttable		openemu		    texmaker		vagrant
┌─[getchell][Hapkido][~]