message: Use const. Take str by reference
diff: @@ -29,8 +29,8 @@ namespace vcpkg::Commands::BuildCommand
  const PackageSpec& spec = full_spec.package_spec;
  if (options.find(OPTION_CHECKS_ONLY) != options.end())
  {
  - auto pre_build_info = Build::PreBuildInfo::from_triplet_file(paths, spec.triplet());
  - auto build_info = Build::read_build_info(paths.get_filesystem(), paths.build_info_file_path(spec));
  + const auto pre_build_info = Build::PreBuildInfo::from_triplet_file(paths, spec.triplet());
  + const auto build_info = Build::read_build_info(paths.get_filesystem(), paths.build_info_file_path(spec));
  const size_t error_count = PostBuildLint::perform_all_checks(spec, paths, pre_build_info, build_info);
  Checks::check_exit(VCPKG_LINE_INFO, error_count == 0);
  Checks::exit_success(VCPKG_LINE_INFO);
  @@ -45,7 +45,7 @@ namespace vcpkg::Commands::BuildCommand
  Checks::exit_fail(VCPKG_LINE_INFO);
  }
  - for (std::string str : full_spec.features)
  + for (const std::string& str : full_spec.features)
  {
  System::println("%s \n", str);
  }
  @@ -56,8 +56,8 @@ namespace vcpkg::Commands::BuildCommand
  scf->core_paragraph->name,
  spec.name());
  - StatusParagraphs status_db = database_load_check(paths);
  - Build::BuildPackageOptions build_package_options{Build::UseHeadVersion::NO, Build::AllowDownloads::YES};
  + const StatusParagraphs status_db = database_load_check(paths);
  + const Build::BuildPackageOptions build_package_options{Build::UseHeadVersion::NO, Build::AllowDownloads::YES};
  const Build::BuildPackageConfig build_config{
  *scf->core_paragraph, spec.triplet(), paths.port_dir(spec), build_package_options};
  @@ -92,7 +92,7 @@ namespace vcpkg::Commands::BuildCommand
  static const std::string example = Commands::Help::create_example_string("build zlib:x64-windows");
  args.check_exact_arg_count(
  1, example); // Build only takes a single package and all dependencies must already be installed
  - std::string command_argument = args.command_arguments.at(0);
  + const std::string command_argument = args.command_arguments.at(0);
  const FullPackageSpec spec = Input::check_and_get_full_package_spec(command_argument, default_triplet, example);
  Input::check_triplet(spec.package_spec.triplet(), paths);
  const std::unordered_set<std::string> options =
  