Composer update killed (orocommerce project)

Tell us generally about your bug: I am attempting to run composer update, but even with PHP's memory_limit disabled, the app is killing the update.
What is your lando version and operating system? Lando 3.0.0-beta.21 | Macbook: Model Name: MacBook Pro Model Identifier: MacBookPro14,3 Processor Name: Intel Core i7 Processor Speed: 2.8 GHz Number of Processors: 1 Total Number of Cores: 4 L2 Cache (per Core): 256 KB L3 Cache: 6 MB Memory: 16 GB Boot ROM Version: MBP143.0160.B02 SMC Version (system): 2.45f0 Serial Number (system): C02V80DZHTD5 Hardware UUID: D74B36A5-E695-54E6-A542-71DD3504B54D
Tell us about your .lando.yml:

name: oro-test proxy: nginx:
- ${LANDO_HOST} mailhog:
- mail.lemp.lndo.site services: appserver: type: php:7.1 via: nginx ssl: true webroot: web xdebug: true config: server: dev/lando/config/nginx/default.conf conf: dev/lando/config/php/php.ini build:
  - "cd $LANDO_MOUNT && composer install || true" extras:
  - "apt-get -yqq update" ##########
    PHP-INTL - OroCommerce Dependencies
  - "apt-get -yqq install zlib1g-dev libicu-dev g++"
  - 'docker-php-ext-configure intl'
  - 'docker-php-ext-install intl'
  - "docker-php-ext-enable intl"
    
    ##########
    
    PHP-TIDY - OroCommerce Dependencies
  - 'apt-get -y install libtidy-dev'
  - 'docker-php-ext-install tidy'
  - "docker-php-ext-enable intl"
  oro-db: type: mysql:5.6 portforward: true creds: user: ${LANDO_ORO_DB_USER} password: ${LANDO_ORO_DB_PASS} database: ${LANDO_ORO_DB_NAME} node: type: node:6.10 redis-cache: type: redis:3.2 persist: true redis-session: type: redis:3.2 persist: true mailhog: type: mailhog hogfrom:
  - appserver portforward: 1026 tooling: phplint: service: appserver composer: service: appserver description: Run composer commands cmd:
  - php
  - -d memory_limit=-1
  - /usr/local/bin/composer
  - --ansi php: service: appserver mysql: user: root service: oro-db description: Drop into a MySQL shell npm: service: node node: service: node 'console': service: appserver description: Run Symfony Console command cmd:
  - ./app/console
Tell us about the command you were running: lando composer update - I've modified this command in my lando.yml so that the memory_limit for php is -1

Tell us about the error you got:

Reading ./composer.json
Loading config file /var/www/.composer/auth.json
Loading config file ./composer.json
Checked CA file /etc/ssl/certs/ca-certificates.crt: valid
Executing command (/app): git branch --no-color --no-abbrev -v
Failed to initialize global composer: Composer could not find the config file: /var/www/.composer/composer.json
To initialize a project, please create a composer.json file as described in the https://getcomposer.org/ "Getting Started" section
Reading /app/vendor/composer/installed.json
Loading plugin ComponentInstaller\ComponentInstallerPlugin
Running 1.5.2 (2017-09-11 16:59:25) with PHP 7.1.11 on Linux / 4.9.49-moby
[32mLoading composer repositories with package information[39m
Downloading https://packagist.orocrm.com/packages.json
Writing /var/www/.composer/cache/repo/https---packagist.orocrm.com/packages.json into cache
Downloading https://asset-packagist.orocrm.com/packages.json
Writing /var/www/.composer/cache/repo/https---asset-packagist.orocrm.com/packages.json into cache
Downloading https://packagist.org/packages.json
Writing /var/www/.composer/cache/repo/https---packagist.org/packages.json into cache
[32mUpdating dependencies (including require-dev)[39m
Reading /var/www/.composer/cache/repo/https---packagist.orocrm.com/p-provider-2014.json from cache
Reading /var/www/.composer/cache/repo/https---packagist.orocrm.com/p-provider-2015.json from cache
Reading /var/www/.composer/cache/repo/https---packagist.orocrm.com/p-provider-2016.json from cache

...

Reading /var/www/.composer/cache/repo/https---packagist.org/provider-phpunit$dbunit.json from cache
Killed

lando / lando

Composer update killed (orocommerce project) #491

PHP-INTL - OroCommerce Dependencies

PHP-TIDY - OroCommerce Dependencies