Fetching gem metadata from https://rubygems.org/.........
Resolving dependencies.....
Using rake 13.0.6
Following files may not be writable, so sudo is needed:
  /usr/local/bin
  /var/lib/gems/3.0.0
  /var/lib/gems/3.0.0/build_info
  /var/lib/gems/3.0.0/cache
  /var/lib/gems/3.0.0/doc
  /var/lib/gems/3.0.0/extensions
  /var/lib/gems/3.0.0/gems
  /var/lib/gems/3.0.0/plugins
  /var/lib/gems/3.0.0/specifications
Using concurrent-ruby 1.2.2
Using zeitwerk 2.6.8
Using builder 3.2.4
Using minitest 5.18.1
Using erubi 1.12.0
Using crass 1.0.6
Using websocket-extensions 0.1.5
Using rack 2.2.7
Using marcel 1.0.2
Using method_source 1.0.0
Fetching racc 1.7.1
Using thor 1.2.2
Using public_suffix 5.0.1
Fetching nio4r 2.5.9
Using mini_mime 1.1.2
Using bundler 2.3.5
Using matrix 0.4.2
Using regexp_parser 2.8.1
Using ast 2.4.2
Using childprocess 3.0.0
Using chunky_png 1.4.0
Using csv 3.2.7
Fetching commonmarker 0.23.9
Fetching digest 3.1.1


Your user account isn't allowed to install to the system RubyGems.
  You can cancel this installation and run:

      bundle config set --local path 'vendor/bundle'
      bundle install

  to install the gems into ./vendor/bundle/, or you can enter your password
  and install the bundled gems to RubyGems using sudo.

  Password:
sudo: a password is required
tltgadmin@tltg-esw1:/opt/redmine-5.0$ bundle install
Fetching gem metadata from https://rubygems.org/.........
Resolving dependencies.....
Using rake 13.0.6
Following files may not be writable, so sudo is needed:
  /usr/local/bin
  /var/lib/gems/3.0.0
  /var/lib/gems/3.0.0/build_info
  /var/lib/gems/3.0.0/cache
  /var/lib/gems/3.0.0/doc
  /var/lib/gems/3.0.0/extensions
  /var/lib/gems/3.0.0/gems
  /var/lib/gems/3.0.0/plugins
  /var/lib/gems/3.0.0/specifications
Using concurrent-ruby 1.2.2
Using erubi 1.12.0
Using zeitwerk 2.6.8
Using crass 1.0.6
Fetching racc 1.7.1
Using minitest 5.18.1
Using rack 2.2.7
Using builder 3.2.4
Using websocket-extensions 0.1.5
Fetching nio4r 2.5.9
Using marcel 1.0.2
Using mini_mime 1.1.2
Using method_source 1.0.0
Using thor 1.2.2
Using public_suffix 5.0.1
Using bundler 2.3.5
Using ast 2.4.2
Using matrix 0.4.2
Using regexp_parser 2.8.1
Using childprocess 3.0.0
Using chunky_png 1.4.0
Using csv 3.2.7
Fetching commonmarker 0.23.9
Fetching digest 3.1.1


Your user account isn't allowed to install to the system RubyGems.
  You can cancel this installation and run:

      bundle config set --local path 'vendor/bundle'
      bundle install

  to install the gems into ./vendor/bundle/, or you can enter your password
  and install the bundled gems to RubyGems using sudo.

  Password:


Your user account isn't allowed to install to the system RubyGems.
  You can cancel this installation and run:

      bundle config set --local path 'vendor/bundle'
      bundle install

  to install the gems into ./vendor/bundle/, or you can enter your password
  and install the bundled gems to RubyGems using sudo.

  Password:
Installing racc 1.7.1 with native extensions
Installing digest 3.1.1 with native extensions
Installing nio4r 2.5.9 with native extensions
Installing commonmarker 0.23.9 with native extensions
Using docile 1.4.0
Fetching ffi 1.15.5
Using htmlentities 4.3.4
Using rb-fsevent 0.11.2
Using mini_magick 4.11.0
Using ruby2_keywords 0.0.5
Using timeout 0.4.0
Fetching strscan 3.0.6
Using net-ldap 0.17.1
Using parallel 1.23.0
Fetching pg 1.2.3
Using rainbow 3.1.1
Using rbpdf-font 1.19.1
Fetching redcarpet 3.5.1
Installing strscan 3.0.6 with native extensions
Installing redcarpet 3.5.1 with native extensions
Installing pg 1.2.3 with native extensions
Using rexml 3.2.5
Using rotp 6.2.2
Using rouge 3.28.0
Using rqrcode_core 1.2.0
Using ruby-progressbar 1.13.0
Using unicode-display_width 2.4.2
Using rubyzip 2.3.2
Using simplecov-html 0.12.3
Using simplecov_json_formatter 0.1.4
Using yard 0.9.34
Using i18n 1.10.0
Using tzinfo 2.0.6
Using rack-test 2.1.0
Using sprockets 4.2.0
Using request_store 1.5.1
Fetching websocket-driver 0.7.5
Installing ffi 1.15.5 with native extensions
Using mail 2.7.1
Using addressable 2.8.4
Using mocha 2.0.4
Using net-protocol 0.2.1
Using rbpdf 1.21.2
Using rqrcode 2.2.0
Using selenium-webdriver 3.142.7
Using simplecov 0.21.2
Using activesupport 6.1.7.4
Using css_parser 1.14.0
Using net-pop 0.1.2
Using net-smtp 0.3.3
Using globalid 1.1.0
Using activemodel 6.1.7.4
Installing websocket-driver 0.7.5 with native extensions
Gem::Ext::BuildError: ERROR: Failed to build gem native extension.

    current directory: /tmp/bundler20230710-17365-jy5oukracc-1.7.1/gems/racc-1.7.1/ext/racc/cparse
/usr/bin/ruby3.0 -I /usr/lib/ruby/vendor_ruby -r ./siteconf20230710-17365-4c2r1p.rb extconf.rb
mkmf.rb can't find header files for ruby at /usr/lib/ruby/include/ruby.h

You might have to install separate package for the ruby development
environment, ruby-dev or ruby-devel for example.

extconf failed, exit code 1

Gem files will remain installed in /tmp/bundler20230710-17365-jy5oukracc-1.7.1/gems/racc-1.7.1 for inspection.
Results logged to /tmp/bundler20230710-17365-jy5oukracc-1.7.1/extensions/x86_64-linux/3.0.0/racc-1.7.1/gem_make.out

  /usr/lib/ruby/vendor_ruby/rubygems/ext/builder.rb:95:in `run'
  /usr/lib/ruby/vendor_ruby/rubygems/ext/ext_conf_builder.rb:47:in `block in build'
  /usr/lib/ruby/3.0.0/tempfile.rb:317:in `open'
  /usr/lib/ruby/vendor_ruby/rubygems/ext/ext_conf_builder.rb:26:in `build'
  /usr/lib/ruby/vendor_ruby/rubygems/ext/builder.rb:161:in `build_extension'
  /usr/lib/ruby/vendor_ruby/rubygems/ext/builder.rb:195:in `block in build_extensions'
  /usr/lib/ruby/vendor_ruby/rubygems/ext/builder.rb:192:in `each'
  /usr/lib/ruby/vendor_ruby/rubygems/ext/builder.rb:192:in `build_extensions'
  /usr/lib/ruby/vendor_ruby/rubygems/installer.rb:847:in `build_extensions'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/rubygems_gem_installer.rb:71:in `build_extensions'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/rubygems_gem_installer.rb:28:in `install'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/source/rubygems.rb:204:in `install'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/installer/gem_installer.rb:54:in `install'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/installer/gem_installer.rb:16:in `install_from_spec'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/installer/parallel_installer.rb:186:in `do_install'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/installer/parallel_installer.rb:177:in `block in worker_pool'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/worker.rb:62:in `apply_func'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/worker.rb:57:in `block in process_queue'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/worker.rb:54:in `loop'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/worker.rb:54:in `process_queue'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/worker.rb:91:in `block (2 levels) in create_threads'

An error occurred while installing racc (1.7.1), and Bundler cannot continue.

In Gemfile:
  rails was resolved to 6.1.7.4, which depends on
    actioncable was resolved to 6.1.7.4, which depends on
      actionpack was resolved to 6.1.7.4, which depends on
        actionview was resolved to 6.1.7.4, which depends on
          rails-dom-testing was resolved to 2.1.1, which depends on
            nokogiri was resolved to 1.15.3, which depends on
              racc


Gem::Ext::BuildError: ERROR: Failed to build gem native extension.

    current directory: /tmp/bundler20230710-17365-f932b7nio4r-2.5.9/gems/nio4r-2.5.9/ext/nio4r
/usr/bin/ruby3.0 -I /usr/lib/ruby/vendor_ruby -r ./siteconf20230710-17365-j1bdbk.rb extconf.rb
mkmf.rb can't find header files for ruby at /usr/lib/ruby/include/ruby.h

You might have to install separate package for the ruby development
environment, ruby-dev or ruby-devel for example.

extconf failed, exit code 1

Gem files will remain installed in /tmp/bundler20230710-17365-f932b7nio4r-2.5.9/gems/nio4r-2.5.9 for inspection.
Results logged to /tmp/bundler20230710-17365-f932b7nio4r-2.5.9/extensions/x86_64-linux/3.0.0/nio4r-2.5.9/gem_make.out

  /usr/lib/ruby/vendor_ruby/rubygems/ext/builder.rb:95:in `run'
  /usr/lib/ruby/vendor_ruby/rubygems/ext/ext_conf_builder.rb:47:in `block in build'
  /usr/lib/ruby/3.0.0/tempfile.rb:317:in `open'
  /usr/lib/ruby/vendor_ruby/rubygems/ext/ext_conf_builder.rb:26:in `build'
  /usr/lib/ruby/vendor_ruby/rubygems/ext/builder.rb:161:in `build_extension'
  /usr/lib/ruby/vendor_ruby/rubygems/ext/builder.rb:195:in `block in build_extensions'
  /usr/lib/ruby/vendor_ruby/rubygems/ext/builder.rb:192:in `each'
  /usr/lib/ruby/vendor_ruby/rubygems/ext/builder.rb:192:in `build_extensions'
  /usr/lib/ruby/vendor_ruby/rubygems/installer.rb:847:in `build_extensions'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/rubygems_gem_installer.rb:71:in `build_extensions'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/rubygems_gem_installer.rb:28:in `install'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/source/rubygems.rb:204:in `install'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/installer/gem_installer.rb:54:in `install'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/installer/gem_installer.rb:16:in `install_from_spec'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/installer/parallel_installer.rb:186:in `do_install'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/installer/parallel_installer.rb:177:in `block in worker_pool'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/worker.rb:62:in `apply_func'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/worker.rb:57:in `block in process_queue'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/worker.rb:54:in `loop'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/worker.rb:54:in `process_queue'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/worker.rb:91:in `block (2 levels) in create_threads'

An error occurred while installing nio4r (2.5.9), and Bundler cannot continue.

In Gemfile:
  rails was resolved to 6.1.7.4, which depends on
    actioncable was resolved to 6.1.7.4, which depends on
      nio4r


Gem::Ext::BuildError: ERROR: Failed to build gem native extension.

    current directory: /tmp/bundler20230710-17365-87kgj4commonmarker-0.23.9/gems/commonmarker-0.23.9/ext/commonmarker
/usr/bin/ruby3.0 -I /usr/lib/ruby/vendor_ruby -r ./siteconf20230710-17365-pqflwm.rb extconf.rb
mkmf.rb can't find header files for ruby at /usr/lib/ruby/include/ruby.h

You might have to install separate package for the ruby development
environment, ruby-dev or ruby-devel for example.

extconf failed, exit code 1

Gem files will remain installed in /tmp/bundler20230710-17365-87kgj4commonmarker-0.23.9/gems/commonmarker-0.23.9 for inspection.
Results logged to /tmp/bundler20230710-17365-87kgj4commonmarker-0.23.9/extensions/x86_64-linux/3.0.0/commonmarker-0.23.9/gem_make.out

  /usr/lib/ruby/vendor_ruby/rubygems/ext/builder.rb:95:in `run'
  /usr/lib/ruby/vendor_ruby/rubygems/ext/ext_conf_builder.rb:47:in `block in build'
  /usr/lib/ruby/3.0.0/tempfile.rb:317:in `open'
  /usr/lib/ruby/vendor_ruby/rubygems/ext/ext_conf_builder.rb:26:in `build'
  /usr/lib/ruby/vendor_ruby/rubygems/ext/builder.rb:161:in `build_extension'
  /usr/lib/ruby/vendor_ruby/rubygems/ext/builder.rb:195:in `block in build_extensions'
  /usr/lib/ruby/vendor_ruby/rubygems/ext/builder.rb:192:in `each'
  /usr/lib/ruby/vendor_ruby/rubygems/ext/builder.rb:192:in `build_extensions'
  /usr/lib/ruby/vendor_ruby/rubygems/installer.rb:847:in `build_extensions'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/rubygems_gem_installer.rb:71:in `build_extensions'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/rubygems_gem_installer.rb:28:in `install'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/source/rubygems.rb:204:in `install'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/installer/gem_installer.rb:54:in `install'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/installer/gem_installer.rb:16:in `install_from_spec'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/installer/parallel_installer.rb:186:in `do_install'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/installer/parallel_installer.rb:177:in `block in worker_pool'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/worker.rb:62:in `apply_func'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/worker.rb:57:in `block in process_queue'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/worker.rb:54:in `loop'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/worker.rb:54:in `process_queue'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/worker.rb:91:in `block (2 levels) in create_threads'

An error occurred while installing commonmarker (0.23.9), and Bundler cannot continue.

In Gemfile:
  commonmarker


Gem::Ext::BuildError: ERROR: Failed to build gem native extension.

    current directory: /tmp/bundler20230710-17365-pvxv83digest-3.1.1/gems/digest-3.1.1/ext/digest/bubblebabble
/usr/bin/ruby3.0 -I /usr/lib/ruby/vendor_ruby -r ./siteconf20230710-17365-bil4cw.rb extconf.rb
mkmf.rb can't find header files for ruby at /usr/lib/ruby/include/ruby.h

You might have to install separate package for the ruby development
environment, ruby-dev or ruby-devel for example.

extconf failed, exit code 1

Gem files will remain installed in /tmp/bundler20230710-17365-pvxv83digest-3.1.1/gems/digest-3.1.1 for inspection.
Results logged to /tmp/bundler20230710-17365-pvxv83digest-3.1.1/extensions/x86_64-linux/3.0.0/digest-3.1.1/gem_make.out

  /usr/lib/ruby/vendor_ruby/rubygems/ext/builder.rb:95:in `run'
  /usr/lib/ruby/vendor_ruby/rubygems/ext/ext_conf_builder.rb:47:in `block in build'
  /usr/lib/ruby/3.0.0/tempfile.rb:317:in `open'
  /usr/lib/ruby/vendor_ruby/rubygems/ext/ext_conf_builder.rb:26:in `build'
  /usr/lib/ruby/vendor_ruby/rubygems/ext/builder.rb:161:in `build_extension'
  /usr/lib/ruby/vendor_ruby/rubygems/ext/builder.rb:195:in `block in build_extensions'
  /usr/lib/ruby/vendor_ruby/rubygems/ext/builder.rb:192:in `each'
  /usr/lib/ruby/vendor_ruby/rubygems/ext/builder.rb:192:in `build_extensions'
  /usr/lib/ruby/vendor_ruby/rubygems/installer.rb:847:in `build_extensions'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/rubygems_gem_installer.rb:71:in `build_extensions'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/rubygems_gem_installer.rb:28:in `install'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/source/rubygems.rb:204:in `install'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/installer/gem_installer.rb:54:in `install'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/installer/gem_installer.rb:16:in `install_from_spec'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/installer/parallel_installer.rb:186:in `do_install'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/installer/parallel_installer.rb:177:in `block in worker_pool'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/worker.rb:62:in `apply_func'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/worker.rb:57:in `block in process_queue'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/worker.rb:54:in `loop'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/worker.rb:54:in `process_queue'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/worker.rb:91:in `block (2 levels) in create_threads'

An error occurred while installing digest (3.1.1), and Bundler cannot continue.

In Gemfile:
  net-imap was resolved to 0.2.3, which depends on
    digest


Gem::Ext::BuildError: ERROR: Failed to build gem native extension.

    current directory: /tmp/bundler20230710-17365-uo8z9rstrscan-3.0.6/gems/strscan-3.0.6/ext/strscan
/usr/bin/ruby3.0 -I /usr/lib/ruby/vendor_ruby -r ./siteconf20230710-17365-isecgr.rb extconf.rb
mkmf.rb can't find header files for ruby at /usr/lib/ruby/include/ruby.h

You might have to install separate package for the ruby development
environment, ruby-dev or ruby-devel for example.

extconf failed, exit code 1

Gem files will remain installed in /tmp/bundler20230710-17365-uo8z9rstrscan-3.0.6/gems/strscan-3.0.6 for inspection.
Results logged to /tmp/bundler20230710-17365-uo8z9rstrscan-3.0.6/extensions/x86_64-linux/3.0.0/strscan-3.0.6/gem_make.out

  /usr/lib/ruby/vendor_ruby/rubygems/ext/builder.rb:95:in `run'
  /usr/lib/ruby/vendor_ruby/rubygems/ext/ext_conf_builder.rb:47:in `block in build'
  /usr/lib/ruby/3.0.0/tempfile.rb:317:in `open'
  /usr/lib/ruby/vendor_ruby/rubygems/ext/ext_conf_builder.rb:26:in `build'
  /usr/lib/ruby/vendor_ruby/rubygems/ext/builder.rb:161:in `build_extension'
  /usr/lib/ruby/vendor_ruby/rubygems/ext/builder.rb:195:in `block in build_extensions'
  /usr/lib/ruby/vendor_ruby/rubygems/ext/builder.rb:192:in `each'
  /usr/lib/ruby/vendor_ruby/rubygems/ext/builder.rb:192:in `build_extensions'
  /usr/lib/ruby/vendor_ruby/rubygems/installer.rb:847:in `build_extensions'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/rubygems_gem_installer.rb:71:in `build_extensions'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/rubygems_gem_installer.rb:28:in `install'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/source/rubygems.rb:204:in `install'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/installer/gem_installer.rb:54:in `install'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/installer/gem_installer.rb:16:in `install_from_spec'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/installer/parallel_installer.rb:186:in `do_install'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/installer/parallel_installer.rb:177:in `block in worker_pool'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/worker.rb:62:in `apply_func'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/worker.rb:57:in `block in process_queue'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/worker.rb:54:in `loop'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/worker.rb:54:in `process_queue'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/worker.rb:91:in `block (2 levels) in create_threads'

An error occurred while installing strscan (3.0.6), and Bundler cannot continue.

In Gemfile:
  net-imap was resolved to 0.2.3, which depends on
    strscan


Gem::Ext::BuildError: ERROR: Failed to build gem native extension.

    current directory: /tmp/bundler20230710-17365-s1cpzoredcarpet-3.5.1/gems/redcarpet-3.5.1/ext/redcarpet
/usr/bin/ruby3.0 -I /usr/lib/ruby/vendor_ruby -r ./siteconf20230710-17365-cgpyx3.rb extconf.rb
mkmf.rb can't find header files for ruby at /usr/lib/ruby/include/ruby.h

You might have to install separate package for the ruby development
environment, ruby-dev or ruby-devel for example.

extconf failed, exit code 1

Gem files will remain installed in /tmp/bundler20230710-17365-s1cpzoredcarpet-3.5.1/gems/redcarpet-3.5.1 for inspection.
Results logged to /tmp/bundler20230710-17365-s1cpzoredcarpet-3.5.1/extensions/x86_64-linux/3.0.0/redcarpet-3.5.1/gem_make.out

  /usr/lib/ruby/vendor_ruby/rubygems/ext/builder.rb:95:in `run'
  /usr/lib/ruby/vendor_ruby/rubygems/ext/ext_conf_builder.rb:47:in `block in build'
  /usr/lib/ruby/3.0.0/tempfile.rb:317:in `open'
  /usr/lib/ruby/vendor_ruby/rubygems/ext/ext_conf_builder.rb:26:in `build'
  /usr/lib/ruby/vendor_ruby/rubygems/ext/builder.rb:161:in `build_extension'
  /usr/lib/ruby/vendor_ruby/rubygems/ext/builder.rb:195:in `block in build_extensions'
  /usr/lib/ruby/vendor_ruby/rubygems/ext/builder.rb:192:in `each'
  /usr/lib/ruby/vendor_ruby/rubygems/ext/builder.rb:192:in `build_extensions'
  /usr/lib/ruby/vendor_ruby/rubygems/installer.rb:847:in `build_extensions'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/rubygems_gem_installer.rb:71:in `build_extensions'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/rubygems_gem_installer.rb:28:in `install'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/source/rubygems.rb:204:in `install'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/installer/gem_installer.rb:54:in `install'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/installer/gem_installer.rb:16:in `install_from_spec'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/installer/parallel_installer.rb:186:in `do_install'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/installer/parallel_installer.rb:177:in `block in worker_pool'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/worker.rb:62:in `apply_func'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/worker.rb:57:in `block in process_queue'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/worker.rb:54:in `loop'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/worker.rb:54:in `process_queue'
  /usr/share/rubygems-integration/all/gems/bundler-2.3.5/lib/bundler/worker.rb:91:in `block (2 levels) in create_threads'

An error occurred while installing redcarpet (3.5.1), and Bundler cannot continue.

In Gemfile:
  redcarpet