rbuf_fill execution expired

Error output

/usr/lib/ruby/1.8/timeout.rb:64:in `rbuf_fill': execution expired (Timeout::Error)
	from /usr/lib/ruby/1.8/net/protocol.rb:134:in `rbuf_fill'
	from /usr/lib/ruby/1.8/net/protocol.rb:116:in `readuntil'
	from /usr/lib/ruby/1.8/net/protocol.rb:126:in `readline'
	from /usr/lib/ruby/1.8/net/http.rb:2028:in `read_status_line'
	from /usr/lib/ruby/1.8/net/http.rb:2017:in `read_new'
	from /usr/lib/ruby/1.8/net/http.rb:1051:in `request'
	from /usr/lib/ruby/1.8/net/http.rb:948:in `request_get'
	from /usr/lib/ruby/1.8/net/http.rb:380:in `get_response'
	from /usr/lib/ruby/1.8/net/http.rb:543:in `start'
	from /usr/lib/ruby/1.8/net/http.rb:379:in `get_response'

test-run.rb

...

def get_users_from_api

  users = Hash.new

  uri = URI.parse(@USER_URL + "/users/show.json")

  response = Net::HTTP.get_response(uri)

  body = JSON.parse(response.body)

  body.each do |x|
    users[x["id"]] = x["name"]
  end

  return users
end

...