I was unable to startup Minecraft from IDEA using the method provided because the following exception occurred:

[Client thread/ERROR] [FML]: An exception was thrown, the game will display an error screen and halt.
net.minecraftforge.fml.common.MissingModsException: Mod forestry (Forestry) requires [binniecore@[2.5.1.184,)]
. . . .

Steps to reproduce:

• Unpacked downloaded file Binnie-master-MC1.12.zip to my modding directory
• Ran gradlew setupDecompWorkspace idea genIntellijRuns in that directory
• Installed Intellij IDEA 2020.1.1 (Community Edition)
• Openned binnie-mods-1.12.2.ipr file in IDEA
• Chose Run > Minecraft Client > Run