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$ bundle Fetching gem metadata from https://rubygems.org/………. Using rake 12.3.0 Using concurrent-ruby 1.0.5 Using i18n 0.9.1 Using minitest 5.10.3 Using thread_safe 0.3.6 Using tzinfo 1.2.4 Using activesupport 4.2.10 Using builder 3.2.3 Using erubis 2.7.0 Using mini_portile2 2.3.0 Using nokogiri 1.8.1 Using rails-deprecated_sanitizer 1.0.3 Using rails-dom-testing 1.0.8 Using crass 1.0.3 Using loofah 2.1.1 Using rails-html-sanitizer 1.0.3 Using actionview 4.2.10 Using rack 1.6.8 Using rack-test 0.6.3 Using actionpack 4.2.10 Using globalid 0.4.1 Using activejob 4.2.10 Using mini_mime 1.0.0 Using mail 2.7.0 Using actionmailer 4.2.10 Using activemodel 4.2.10 Using arel 6.0.4 Using activerecord 4.2.10 Using activerecord-import 0.21.0 Using bundler 1.16.1 Using chronic 0.10.2 Using coderay 1.1.2 Using coffee-script-source 1.12.2 Using execjs 2.7.0 Using coffee-script 2.4.1 Using thor 0.20.0 Using railties 4.2.10 Using coffee-rails 4.0.1 Using unf_ext 0.0.7.4 Using unf 0.1.4 Using domain_name 0.5.20170404 Using hike 1.2.3 Using http-cookie 1.0.3 Using multi_xml 0.6.0 Using httparty 0.15.6 Using multi_json 1.12.2 Using jbuilder 2.7.0 Using jquery-rails 4.3.1 Using json 1.8.6 Fetching m3u8 0.8.2 Bundler::GemspecError: Could not read gem at /var/lib/gems/2.1.0/cache/m3u8-0.8.2.gem. It may be corrupted. An error occurred while installing m3u8 (0.8.2), and Bundler cannot continue. Make sure that gem install m3u8 -v '0.8.2' succeeds before bundling. In Gemfile:   m3u8