Ignoring json-2.7.1 because its extensions are not built. Try: gem pristine json --version 2.7.1
Ignoring mini_racer-0.8.0 because its extensions are not built. Try: gem pristine mini_racer --version 0.8.0
Ignoring racc-1.7.3 because its extensions are not built. Try: gem pristine racc --version 1.7.3
Fetching gem metadata from https://rubygems.org/.........
Resolving dependencies...
Fetching gem metadata from https://rubygems.org/.........
Resolving dependencies...
google-protobuf-3.25.1-x86_64-linux requires ruby version >= 2.7, < 3.3.dev, which is incompatible with the current version,
3.3.6
이 오류는 Gemfile.lock에 쓰여있는 버전과 bundler의 버전이 달라서 생기는 문제이므로
Gemfile.lock을 삭제하고 bundle install을 하면 된다. 그럼 새로운 Gemfile.lock 파일이 생기게 된다.