$ convert output.svg output.png
convert: memory allocation failed `output.svg' @ error/svg.c/ReadSVGImage/2821.
convert: missing an image filename `output.png' @ error/convert.c/ConvertImageCommand/2970.

$ rsvg-convert output.svg -o output.png
(Completes, but outputs a zero-length png.)

$ inkscape output.svg
Too many heap sections: Increase MAXHINCR or MAX_HEAP_SECTS
(This after eating up literally all 12gb of ram in the machine.)