composer create-project drupal-composer/drupal-project:8.x-dev project-dir --stability dev --no-interaction

...
Writing lock file
Generating autoload files
  - Downloading 1/16: https://cgit.drupalcode.org/drupal/plain/update.php
  - Downloading 3/16: https://cgit.drupalcode.org/drupal/plain/sites/example.sites.php
  - Downloading 3/16: https://cgit.drupalcode.org/drupal/plain/sites/example.settings.local.php
  - Downloading 7/16: https://cgit.drupalcode.org/drupal/plain/sites/development.services.yml
  - Downloading 7/16: https://cgit.drupalcode.org/drupal/plain/sites/default/default.services.yml
  - Downloading 7/16: https://cgit.drupalcode.org/drupal/plain/robots.txt
  - Downloading 7/16: https://cgit.drupalcode.org/drupal/plain/index.php
  - Downloading 8/16: https://cgit.drupalcode.org/drupal/plain/sites/default/default.settings.php
  - Downloading 9/16: https://cgit.drupalcode.org/drupal/plain/.htaccess
  - Downloading 10/16: https://cgit.drupalcode.org/drupal/plain/web.config
  - Downloading 11/16: https://cgit.drupalcode.org/drupal/plain/.gitattributes
  - Downloading 12/16: https://cgit.drupalcode.org/drupal/plain/.ht.router.php
  - Downloading 15/16: https://cgit.drupalcode.org/drupal/plain/.eslintignore
  - Downloading 15/16: https://cgit.drupalcode.org/drupal/plain/.editorconfig
  - Downloading 15/16: https://cgit.drupalcode.org/drupal/plain/.csslintrc
  - Downloading 16/16: https://cgit.drupalcode.org/drupal/plain/.eslintrc.json


  [ErrorException]
  count(): Parameter must be an array or an object that implements Countable


create-project [-s|--stability STABILITY] [--prefer-source] [--prefer-dist] [--repository REPOSITORY] [--repository-url REPOSITORY-URL] [--dev] [--no-dev] [--no-custom-installers] [--no-scripts] [--no-progress] [--no-secure-http] [--keep-vcs] [--remove-vcs] [--no-install] [--ignore-platform-reqs] [--] [<package>] [<directory>] [<version>]