lib/nanoc/cli/error_handler.rb in nanoc-3.5.0b1 vs lib/nanoc/cli/error_handler.rb in nanoc-3.5.0b2

@@ -56,12 +56,15 @@
         Signal.trap(signal) do
           puts
           exit!(0)
         end
       end
-      Signal.trap('USR1') do
-        puts "Caught USR1; dumping a stack trace"
-        puts caller.map { |i| "  #{i}" }.join("\n")
+      begin
+        Signal.trap('USR1') do
+          puts "Caught USR1; dumping a stack trace"
+          puts caller.map { |i| "  #{i}" }.join("\n")
+        end
+      rescue ArgumentError
       end
 
       # Run
       yield
     rescue Nanoc::Errors::GenericTrivial => e