parent directory is world writable but not sticky

[Wumingla]

Error: parent directory is world writable but not sticky
Please report this bug:
    https://github.com/Homebrew/linuxbrew/blob/master/share/doc/homebrew/Troubleshooting.md#troubleshooting
/usr/local/rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/tmpdir.rb:92:in `mktmpdir'
/home/ubuntu/.linuxbrew/Library/Homebrew/utils/fork.rb:6:in `safe_fork'
/home/ubuntu/.linuxbrew/Library/Homebrew/formula_installer.rb:553:in `build'
/home/ubuntu/.linuxbrew/Library/Homebrew/formula_installer.rb:219:in `install'
/home/ubuntu/.linuxbrew/Library/Homebrew/cmd/install.rb:189:in `install_formula'
/home/ubuntu/.linuxbrew/Library/Homebrew/cmd/install.rb:94:in `block in install'
/home/ubuntu/.linuxbrew/Library/Homebrew/cmd/install.rb:94:in `each'
/home/ubuntu/.linuxbrew/Library/Homebrew/cmd/install.rb:94:in `install'
/home/ubuntu/.linuxbrew/Library/brew.rb:145:in `<main>'

[DomT4]

brew doctor tells you how to fix this.

[ealgase]

I the same issue. How do you run disk utility?

[dunn]

That doctor message might need to be updated for Linuxbrew.

[sjackman]

I've fixed the doctor message for Linuxbrew. It should now display

Please execute `sudo chmod +t /tmp` in your Terminal