Gem::MissingSpecVersionError#build_message

# File tmp/rubies/ruby-3.0.5/lib/rubygems/errors.rb, line 61
def build_message
  if name == "bundler" && message = Gem::BundlerVersionFinder.missing_version_message
    return message
  end
  names = specs.map(&:full_name)
  "Could not find '#{name}' (#{requirement}) - did find: [#{names.join ','}]\n"
end