Ignoring json-1.8.6 because its extensions are not built. Try: gem pristine json --version 1.8.6
Ignoring json-1.8.6 because its extensions are not built. Try: gem pristine json --version 1.8.6
Ignoring json-1.8.6 because its extensions are not built. Try: gem pristine json --version 1.8.6
Ignoring json-1.8.6 because its extensions are not built. Try: gem pristine json --version 1.8.6
Ignoring json-1.8.6 because its extensions are not built. Try: gem pristine json --version 1.8.6
Ignoring json-1.8.6 because its extensions are not built. Try: gem pristine json --version 1.8.6
Ignoring json-1.8.6 because its extensions are not built. Try: gem pristine json --version 1.8.6
Ignoring json-1.8.6 because its extensions are not built. Try: gem pristine json --version 1.8.6
fastlaneを実行すると大量にこのメッセージが出るようになりました。
メッセージの通り以下のコマンドを打つと修復されました。
gem pristine json --version 1.8.6