Glyphs independently created but not put together?

[fbanda]

I'm running a line like so:
nanoemoji --color_format glyf_colr_1 file1.svg file2.svg

But all I get are the separate parts of the pictures, not the full picture and not in color. I put it on fontdrop.info and it shows this:

The first few blank spaces correspond to the unicode characters that I should be getting, while the individual glyph parts don't have an associated code.

No error is showing in the console and I can install just fine. I can even "write" those glyphs in Photoshop, but it's obviously not what I was looking for.

Sorry to put this here, but I'd appreciate any help.