After installing TeX Live 2012 in a non system directory (not sure if this makes a difference) and running some of the tests found at TeX Live Install, LuaTeX can't find the example font metrics even though xetex can.
$ luatex opentype-info.tex This is LuaTeX, Version beta-0.70.2-2012062812 (TeX Live 2012) restricted \write18 enabled. (./opentype-info.tex ! Font \testfont=Latin Modern Roman/ICU at 12pt not loadable: metric data not found or bad. <to be read again> \par l.27 ? X No pages of output. Transcript written on opentype-info.log. $ xetex opentype-info.tex This is XeTeX, Version 3.1415926-2.4-0.9998 (TeX Live 2012) restricted \write18 enabled. entering extended mode (./opentype-info.tex  ) Output written on opentype-info.pdf (1 page). Transcript written on opentype-info.log. $
How can I fix my LuaTeX install?