Homebrew-cask: Cannot install Cask with specific version

[forethoughtde]

General troubleshooting steps

• [ x] I have retried my command with --force and the issue is still present.
• [ x] I have checked the instructions for reporting bugs (or making requests) before opening the issue.
  
  
  
  • [ x] None of the templates was appropriate for my issue, or I’m not sure.
  
  
• [ x] I ran brew update-reset && brew update and retried my command.
• [ x] I ran brew doctor, fixed as many issues as possible and retried my command.
• [ x] I understand that if I ignore these instructions, my issue may be closed without review.

Description of issue

brew cask install CASK/VERSION syntax does not work anymore. I tried to install java8. I was not successful. it says that it does not have package with java8.

Output of your command with --verbose --debug

Error: Cask 'java8' is unavailable: No Cask with this name exists.

Output of brew cask doctor

=> Homebrew-Cask Version
Homebrew-Cask 1.5.5
caskroom/homebrew-cask (git revision 048ea; last commit 2018-02-28)
==> macOS
10.13.2
==> SIP
Enabled
==> Java
N/A
==> Homebrew-Cask Install Location
<NONE>
==> Homebrew-Cask Staging Location
/usr/local/Caskroom
==> Homebrew-Cask Cached Downloads
~/Library/Caches/Homebrew/Cask (6 files, 1.4GB)
==> Homebrew-Cask Taps:
/usr/local/Homebrew/Library/Taps/caskroom/homebrew-cask (3923 casks)
==> Contents of $LOAD_PATH
/usr/local/Homebrew/Library/Homebrew/cask/lib
/usr/local/Homebrew/Library/Homebrew
/usr/local/Homebrew/Library/Homebrew/vendor/portable-ruby/2.3.3/lib/ruby/gems/2.3.0/gems/did_you_mean-1.0.0/lib
/usr/local/Homebrew/Library/Homebrew/vendor/portable-ruby/2.3.3/lib/ruby/site_ruby/2.3.0
/usr/local/Homebrew/Library/Homebrew/vendor/portable-ruby/2.3.3/lib/ruby/site_ruby/2.3.0/x86_64-darwin9.0
/usr/local/Homebrew/Library/Homebrew/vendor/portable-ruby/2.3.3/lib/ruby/site_ruby/2.3.0/universal-darwin9.0
/usr/local/Homebrew/Library/Homebrew/vendor/portable-ruby/2.3.3/lib/ruby/site_ruby
/usr/local/Homebrew/Library/Homebrew/vendor/portable-ruby/2.3.3/lib/ruby/vendor_ruby/2.3.0
/usr/local/Homebrew/Library/Homebrew/vendor/portable-ruby/2.3.3/lib/ruby/vendor_ruby/2.3.0/x86_64-darwin9.0
/usr/local/Homebrew/Library/Homebrew/vendor/portable-ruby/2.3.3/lib/ruby/vendor_ruby/2.3.0/universal-darwin9.0
/usr/local/Homebrew/Library/Homebrew/vendor/portable-ruby/2.3.3/lib/ruby/vendor_ruby
/usr/local/Homebrew/Library/Homebrew/vendor/portable-ruby/2.3.3/lib/ruby/2.3.0
/usr/local/Homebrew/Library/Homebrew/vendor/portable-ruby/2.3.3/lib/ruby/2.3.0/x86_64-darwin9.0
/usr/local/Homebrew/Library/Homebrew/vendor/portable-ruby/2.3.3/lib/ruby/2.3.0/universal-darwin9.0
==> Environment Variables
LC_ALL="en_US.UTF-8"
PATH="/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/Homebrew/Library/Homebrew/shims/scm"
SHELL="/bin/zsh"

[commitay]

brew cask install caskroom/versions/java8