forge 1.6.4 is unhappy

[zzforrest]

When I'm modding, and run client as directed by the current setup tutorial ( Windows 7 + Eclipse ), the following log appears with several worrying issues.

http://pastebin.com/2P3NSJZh

Currently, it will run fine except with no audio for some reason.  The worrying part is:

2013-12-30 13:59:26 [sEVERE] [ForgeModLoader] The binary patch set is missing. Either you are in a development environment, or things are not going to work!

and the lines afterwards

Is this normal, or am I doing something severely wrong?

[zzforrest]

Ok, good

But why doesn't the audio work?

[Draco18s]

It might be muted by default.  I know the Forge team can tweak settings (there's a pre-supplied mutliplayer server listing, for example).  I don't run with headphones on in my dev environ 99% of the time anyway, so...