Not only Slow but also Steady

[상황] 래포지토리를 클론받아서, package.json 에 있는 모듈들을 npm install 명령어로 모두 세팅해놓으려고 했는데 bcrpyt 모듈 설치에서 실패가 일어났습니다. $ npm i bcrypt npm WARN old lockfile npm WARN old lockfile The package-lock.json file was created with an old version of npm, npm WARN old lockfile so supplemental metadata must be fetched from the registry. npm WARN old lockfile npm WARN old lockfile This is a one-time fix-up, please be patient...