Forge not getting compiled?

[ippy98]

Hello,

I have compiled the launcher, and I don't receive any errors, everything downloads and installs fine from my server, however when I launch minecraft, it seems to launch the vanilla launcher instead of Forge version.
MC version 1.7.10
Forge version forge-1.7.10-10.13.2.1230

which i retrieved out of the minecraft/versions folder and renamed custom_jar.jar

When I try to log into server it just sits on "logging in"

my server console returns the error:
[FML]: Unexpected packet during modded negotiation - assuming vanilla or keepalives : net.minecraft.network.play.client.C00PacketKeepAlive

Which I have found to mean a vanilla client connecting to a modded server.

Any ideas?

Thanks!