rvm install rbx error

gistfile1.txt

new-host-3% rvm install rbx
rbx-head installing #dependencies 
Cloning git://github.com/rubinius/rubinius.git
mkdir: /Users/andrewwagner/.rvm/log/rbx-head: Permission denied
touch: /Users/andrewwagner/.rvm/log/rbx-head/rbx.repo.log: No such file or directory
/Users/andrewwagner/.rvm/scripts/functions/utility: line 152: /Users/andrewwagner/.rvm/log/rbx-head/rbx.repo.log: No such file or directory
/Users/andrewwagner/.rvm/scripts/functions/utility: line 159: /Users/andrewwagner/.rvm/log/rbx-head/rbx.repo.log: No such file or directory
ERROR: Error running 'git clone --depth 1 git://github.com/rubinius/rubinius.git /Users/andrewwagner/.rvm/repos/rbx-head', please read /Users/andrewwagner/.rvm/log/rbx-head/rbx.repo.log
Could not fetch git://github.com/rubinius/rubinius.git - trying http://github.com/rubinius/rubinius.git
Cloning http://github.com/rubinius/rubinius.git
mkdir: /Users/andrewwagner/.rvm/log/rbx-head: Permission denied
touch: /Users/andrewwagner/.rvm/log/rbx-head/rbx.repo.log: No such file or directory
/Users/andrewwagner/.rvm/scripts/functions/utility: line 152: /Users/andrewwagner/.rvm/log/rbx-head/rbx.repo.log: No such file or directory
/Users/andrewwagner/.rvm/scripts/functions/utility: line 159: /Users/andrewwagner/.rvm/log/rbx-head/rbx.repo.log: No such file or directory
ERROR: Error running 'git clone --depth 1 http://github.com/rubinius/rubinius.git /Users/andrewwagner/.rvm/repos/rbx-head', please read /Users/andrewwagner/.rvm/log/rbx-head/rbx.repo.log
/Users/andrewwagner/.rvm/scripts/functions/manage/base: line 442: cd: /Users/andrewwagner/.rvm/repos/rbx-head: No such file or directory
Aborting
ERROR: Branch origin/master not found.
Copying from repo to source...
mkdir: /Users/andrewwagner/.rvm/log/rbx-head: Permission denied
touch: /Users/andrewwagner/.rvm/log/rbx-head/rbx.copy.log: No such file or directory
/Users/andrewwagner/.rvm/scripts/functions/utility: line 152: /Users/andrewwagner/.rvm/log/rbx-head/rbx.copy.log: No such file or directory
/Users/andrewwagner/.rvm/scripts/functions/utility: line 159: /Users/andrewwagner/.rvm/log/rbx-head/rbx.copy.log: No such file or directory
ERROR: Error running '\cp -Rf "/Users/andrewwagner/.rvm/repos/rbx-head/" "/Users/andrewwagner/.rvm/src/rbx-head"', please read /Users/andrewwagner/.rvm/log/rbx-head/rbx.copy.log
/Users/andrewwagner/.rvm/scripts/functions/manage/base: line 465: cd: /Users/andrewwagner/.rvm/src/rbx-head: No such file or directory
ERROR: There has been an error while fetching the rbx git repo.  
Halting the installation.
new-host-3%