in TeamCity.MSBuild.Logger/ComparerContextNodeIdTargetId.cs [10:18]
public bool Equals(BuildEventContext x, BuildEventContext y)
{
if (x == null || y == null || x.NodeId != y.NodeId || x.ProjectContextId != y.ProjectContextId)
{
return false;
}
return x.TargetId == y.TargetId;
}