Implement action arguments logging

lib/producer/core/action.rb

@@ -1,6 +1,8 @@
 module Producer
   module Core
     class Action
+      INSPECT_ARGUMENTS_SUM_LEN = 68.freeze
+
       extend Forwardable
       def_delegators :@env, :input, :output, :error_output, :remote
       def_delegators :remote, :fs
@@ -17,7 +19,14 @@ module Producer
       end
 
       def to_s
-        name
+        [name, inspect_arguments].join ' '
+      end
+
+
+      private
+
+      def inspect_arguments
+        @arguments.inspect[0, INSPECT_ARGUMENTS_SUM_LEN - name.length]
       end
     end
   end