Ruby - exception in the forked process

exception.rb

child = fork do
  raise RuntimeError, "testing child exception"
end

pid, status = Process.wait2 child
puts status.inspect

gistfile1.txt

% ruby exception.rb
exception.rb:2:in `block in <main>': testing child exception (RuntimeError)
        from rubytest.rb:1:in `fork'
        from rubytest.rb:1:in `<main>'
#<Process::Status: pid 57654 exit 1>