This is LuaTeX, Version beta-0.80.0 (TeX Live 2015) (rev 5238)  (format=luatex 2016.2.11)  12 FEB 2016 02:42
 restricted \write18 enabled.
**draft.tex
(./draft.tex
! Undefined control sequence.
l.1 \documentclass
                {article}
? X
No pages of output.

PDF statistics: 0 PDF objects out of 1000 (max. 8388607)
 0 named destinations out of 1000 (max. 131072)
 1 words of extra memory for PDF output out of 10000 (max. 10000000)