I tried the crawler by running:

slurp$ ruby drivers/fuchsia.rb

Part of the error message below:

..../.rbenv/versions/3.4.3/lib/ruby/gems/3.4.0/gems/selenium-webdriver-4.38.0/lib/selenium/webdriver/remote/response.rb:63:in 'Selenium::WebDriver::Remote::Response#add_cause': binary is not a Firefox executable (Selenium::WebDriver::Error::InvalidArgumentError)

I am running Ubuntu latest and standard Firefox