Somehow in eclipse mars wanted us to pull in more ecj deps, fixed that problem with a trivial code tweak.

src/eclipseAgent/lombok/eclipse/agent/PatchExtensionMethodCompletionProposal.java

@@ -60,8 +60,6 @@ import org.eclipse.jdt.ui.text.java.CompletionProposalCollector;
 import org.eclipse.jdt.ui.text.java.IJavaCompletionProposal;
 
 public class PatchExtensionMethodCompletionProposal {
-
-	
 	public static IJavaCompletionProposal[] getJavaCompletionProposals(IJavaCompletionProposal[] javaCompletionProposals,
 			CompletionProposalCollector completionProposalCollector) {
 		
@@ -178,7 +176,7 @@ public class PatchExtensionMethodCompletionProposal {
 		return !proposals.isEmpty() && Reflection.isComplete();
 	}
 	
-	private static int getReplacementOffset(IJavaCompletionProposal proposal) {
+	private static int getReplacementOffset(Object proposal) {
 		try {
 			return Reflection.replacementOffsetField.getInt(proposal);
 		} catch (Exception ignore) {

src/eclipseAgent/lombok/eclipse/agent/PatchExtensionMethodCompletionProposalPortal.java

@@ -52,7 +52,7 @@ public class PatchExtensionMethodCompletionProposalPortal {
 			}
 			//ignore, we don't have access to the correct ECJ classes, so lombok can't possibly
 			//do anything useful here.
-			return (IJavaCompletionProposal[])javaCompletionProposals;
+			return (IJavaCompletionProposal[]) javaCompletionProposals;
 		}
 	}