请教下 Composer 的问题

新建的laravel项目 运行

 composer install

然后运行

 composer install -vvv

Reading ./composer.json
Loading config file /root/.config/composer/config.json
Loading config file /root/.config/composer/auth.json
Loading config file ./composer.json
Checked CA file /etc/pki/ca-trust/extracted/pem/tls-ca-bundle.pem: valid
Executing command (/usr/share/nginx/html/aggregate): git branch --no-color --no-abbrev -v
Executing command (/usr/share/nginx/html/aggregate): git describe --exact-match --tags
Executing command (/usr/share/nginx/html/aggregate): git log --pretty="%H" -n1 HEAD
Executing command (/usr/share/nginx/html/aggregate): hg branch
Executing command (/usr/share/nginx/html/aggregate): fossil branch list
Executing command (/usr/share/nginx/html/aggregate): fossil tag list
Executing command (/usr/share/nginx/html/aggregate): svn info --xml
Failed to initialize global composer: Composer could not find the config file: /root/.config/composer/composer.json
To initialize a project, please create a composer.json file as described in the https://getcomposer.org/ "Getting Started" section
Running 1.10.6 (2020-05-06 10:28:10) with PHP 7.2.11 on Linux / 4.18.0-147.5.1.el8_1.x86_64
Loading composer repositories with package information
Downloading https://mirrors.aliyun.com/composer/packages.json
Writing /root/.cache/composer/repo/https---mirrors.aliyun.com-composer/packages.json into cache
Updating dependencies (including require-dev)
......
Reading /root/.cache/composer/repo/https---mirrors.aliyun.com-composer/provider-scrivo$highlight.php.json from cache
Reading /root/.cache/composer/repo/https---mirrors.aliyun.com-composer/provider-illuminate$pipeline.json from cache
已杀死

请问下要怎样解决
服务器是新买的1G内存
网上查询过说是内存不足的问题 也尝试过不行 请问下还需要怎样排查？