TeamCity Plugin for Eclipse adds its icons to the Eclipse status bar.

Item Description
Displayed if you are not connected to a TeamCity server.
To connect, double-click this icon, or right-click it and then choose Log in on the context menu. For more information, see Logging on to the Build Server.
Displayed if all builds from your watched projects are successful. The context menu of this icon provides an access to all major actions of TeamCity Plugin for Eclipse:
Displayed if at least one build of your watched projects has failed. The context menu of this icon provides an access to all major actions of TeamCity Plugin.
Displayed if your personal remote build is successful. The context menu of this icon provides an access to all major actions of TeamCity Plugin.
Displayed if your personal remote build has failed. The context menu of this icon provides an access to all major actions of TeamCity Plugin.