weird behavior bug with toptal?

toptal.rb

# https://news.ycombinator.com/item?id=33013873
cmd = <<STR
curl 'https://www.toptal.com/developers/html-minifier/api/raw' \
  --data-raw 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\
  --compressed
STR

10.times do |i|
  result = `#{cmd}`
  if result.include?("cloudflareinsights")
    puts "#{i} has insights"
  end
end