diff --git a/actionpack/Rakefile b/actionpack/Rakefile
index 1880f21f67..65a04dcd00 100644
--- a/actionpack/Rakefile
+++ b/actionpack/Rakefile
@@ -32,6 +32,7 @@ Rake::TestTask.new(:test_action_pack) { |t|
   t.test_files=Dir.glob( "test/[cft]*/**/*_test.rb" ).sort
 #  t.pattern = 'test/*/*_test.rb'
   t.verbose = true
+  t.warning = true
 }
 
 desc 'ActiveRecord Integration Tests'
diff --git a/railties/lib/commands/process/spawner.rb b/railties/lib/commands/process/spawner.rb
index dc0008698a..8bf47abb75 100644
--- a/railties/lib/commands/process/spawner.rb
+++ b/railties/lib/commands/process/spawner.rb
@@ -181,10 +181,10 @@ ARGV.options do |opts|
 
   opts.on("  Options:")
 
-  opts.on("-p", "--port=number",      Integer, "Starting port number (default: #{OPTIONS[:port]})")                { |OPTIONS[:port]| }
+  opts.on("-p", "--port=number",      Integer, "Starting port number (default: #{OPTIONS[:port]})")                { |v| OPTIONS[:port] = v }
 
   if spawner_class.can_bind_to_custom_address?
-    opts.on("-a", "--address=ip",     String,  "Bind to IP address (default: #{OPTIONS[:address]})")                { |OPTIONS[:address]| }
+    opts.on("-a", "--address=ip",     String,  "Bind to IP address (default: #{OPTIONS[:address]})")                { |v| OPTIONS[:address] = v }
   end
 
   opts.on("-p", "--port=number",      Integer, "Starting port number (default: #{OPTIONS[:port]})")                { |v| OPTIONS[:port] = v }