REPL Output
;;; ASDF-INSTALL: Downloading some unknown number of bytes from http://www.deakin.edu.au/individuals-sites/?request=~tatk/opengl-extensions.tgz to /Users/gwking/temporary/asdf-test/OPENGL-EXTENSIONS.asdf-install-tmp ...
;;; ASDF-INSTALL: Installing /Users/gwking/temporary/asdf-test/OPENGL-EXTENSIONS.asdf-install-tmp in /Users/gwking/temporary/asdf-test/input/sbcl0-9-9/site/, /Users/gwking/temporary/asdf-test/input/sbcl0-9-9/site-systems/
ASDF-INSTALL: can't untar #P"/Users/gwking/temporary/asdf-test/OPENGL-EXTENSIONS.asdf-install-tmp".