Fetching gem metadata from https://rubygems.org/...........
Resolving dependencies......
Using rake 13.0.6
Using racc 1.6.0
Using digest 3.1.0
Using concurrent-ruby 1.1.10
Using bundler 2.3.7
Using minitest 5.15.0
Using builder 3.2.4
Using erubi 1.10.0
Using crass 1.0.6
Using rack 2.2.3.1
Using nio4r 2.5.8
Using websocket-extensions 0.1.5
Using marcel 1.0.2
Using mini_mime 1.1.2
Using timeout 0.3.0
Using strscan 3.0.3
Using public_suffix 4.0.7
Using bindex 0.8.1
Using msgpack 1.5.2
Using matrix 0.4.2
Using regexp_parser 2.5.0
Using childprocess 4.1.0
Using method_source 1.0.0
Using thor 1.2.1
Using zeitwerk 2.5.4
Using rexml 3.2.5
Using rubyzip 2.3.2
Using websocket 1.2.9
Using i18n 1.10.0
Using tzinfo 2.0.4
Fetching mysql2 0.5.4
Using nokogiri 1.13.6 (x64-mingw-ucrt)
Using rack-test 1.1.0
Using websocket-driver 0.7.5
Using mail 2.7.1
Using net-protocol 0.1.3
Using addressable 2.8.0
Using puma 5.6.4
Using bootsnap 1.11.1
Using sprockets 4.0.3
Using selenium-webdriver 4.2.0
Using net-imap 0.2.3
Using loofah 2.18.0
Using net-pop 0.1.1
Using activesupport 7.0.3
Using net-smtp 0.3.1
Using xpath 3.2.0
Using webdrivers 5.0.0
Using rails-dom-testing 2.0.3
Using rails-html-sanitizer 1.4.2
Using globalid 1.0.0
Using activemodel 7.0.3
Using capybara 3.37.1
Using activejob 7.0.3
Using actionview 7.0.3
Using activerecord 7.0.3
Using actionpack 7.0.3
Using jbuilder 2.11.5
Using actioncable 7.0.3
Using activestorage 7.0.3
Using actionmailer 7.0.3
Using railties 7.0.3
Using sprockets-rails 3.4.2
Using actionmailbox 7.0.3
Using actiontext 7.0.3
Using importmap-rails 1.1.0
Using stimulus-rails 1.0.4
Using turbo-rails 1.1.1
Using web-console 4.2.0
Using rails 7.0.3
Installing mysql2 0.5.4 with native extensions
Gem::Ext::BuildError: ERROR: Failed to build gem native extension.

current directory:
C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/mysql2-0.5.4/ext/mysql2
C:/Ruby31-x64/bin/ruby.exe -I C:/Ruby31-x64/lib/ruby/3.1.0 -r
./siteconf20220528-14532-av9pt3.rb extconf.rb
checking for rb_absint_size()... yes
checking for rb_absint_singlebit_p()... yes
checking for rb_wait_for_single_fd()... yes
checking for rb_enc_interned_str() in ruby.h... yes
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of necessary
libraries and/or headers.  Check the mkmf.log file for more details.  You may
need configuration options.

Provided configuration options:
        --with-opt-dir
        --without-opt-dir
        --with-opt-include
        --without-opt-include=${opt-dir}/include
        --with-opt-lib
        --without-opt-lib=${opt-dir}/lib
        --with-make-prog
        --without-make-prog
        --srcdir=.
        --curdir
        --ruby=C:/Ruby31-x64/bin/$(RUBY_BASE_NAME)
        --with-mysql-dir
        --without-mysql-dir
        --with-mysql-include
        --without-mysql-include=${mysql-dir}/include
        --with-mysql-lib
        --without-mysql-lib=${mysql-dir}/lib
        --with-mysql-config
        --without-mysql-config
        --with-mysqlclient-dir
        --without-mysqlclient-dir
        --with-mysqlclient-include
        --without-mysqlclient-include=${mysqlclient-dir}/include
        --with-mysqlclient-lib
        --without-mysqlclient-lib=${mysqlclient-dir}/lib
        --with-mysqlclientlib
        --without-mysqlclientlib
C:/Ruby31-x64/lib/ruby/3.1.0/mkmf.rb:1086:in `block in find_library': undefined
method `split' for nil:NilClass (NoMethodError)

    paths = paths.flat_map {|path| path.split(File::PATH_SEPARATOR)}
                                       ^^^^^^
        from C:/Ruby31-x64/lib/ruby/3.1.0/mkmf.rb:1086:in `each'
        from C:/Ruby31-x64/lib/ruby/3.1.0/mkmf.rb:1086:in `flat_map'
        from C:/Ruby31-x64/lib/ruby/3.1.0/mkmf.rb:1086:in `find_library'
        from extconf.rb:103:in `<main>'

To see why this extension failed to compile, please check the mkmf.log which can
be found here:

C:/Ruby31-x64/lib/ruby/gems/3.1.0/extensions/x64-mingw-ucrt/3.1.0/mysql2-0.5.4/mkmf.log

extconf failed, exit code 1

Gem files will remain installed in
C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/mysql2-0.5.4 for inspection.
Results logged to
C:/Ruby31-x64/lib/ruby/gems/3.1.0/extensions/x64-mingw-ucrt/3.1.0/mysql2-0.5.4/gem_make.out

  C:/Ruby31-x64/lib/ruby/3.1.0/rubygems/ext/builder.rb:95:in `run'
C:/Ruby31-x64/lib/ruby/3.1.0/rubygems/ext/ext_conf_builder.rb:47:in `block in
build'
  C:/Ruby31-x64/lib/ruby/3.1.0/tempfile.rb:317:in `open'
  C:/Ruby31-x64/lib/ruby/3.1.0/rubygems/ext/ext_conf_builder.rb:26:in `build'
  C:/Ruby31-x64/lib/ruby/3.1.0/rubygems/ext/builder.rb:161:in `build_extension'
C:/Ruby31-x64/lib/ruby/3.1.0/rubygems/ext/builder.rb:195:in `block in
build_extensions'
  C:/Ruby31-x64/lib/ruby/3.1.0/rubygems/ext/builder.rb:192:in `each'
  C:/Ruby31-x64/lib/ruby/3.1.0/rubygems/ext/builder.rb:192:in `build_extensions'
  C:/Ruby31-x64/lib/ruby/3.1.0/rubygems/installer.rb:853:in `build_extensions'
C:/Ruby31-x64/lib/ruby/3.1.0/bundler/rubygems_gem_installer.rb:71:in
`build_extensions'
  C:/Ruby31-x64/lib/ruby/3.1.0/bundler/rubygems_gem_installer.rb:28:in `install'
  C:/Ruby31-x64/lib/ruby/3.1.0/bundler/source/rubygems.rb:204:in `install'
C:/Ruby31-x64/lib/ruby/3.1.0/bundler/installer/gem_installer.rb:54:in
`install'
C:/Ruby31-x64/lib/ruby/3.1.0/bundler/installer/gem_installer.rb:16:in
`install_from_spec'
C:/Ruby31-x64/lib/ruby/3.1.0/bundler/installer/parallel_installer.rb:186:in
`do_install'
C:/Ruby31-x64/lib/ruby/3.1.0/bundler/installer/parallel_installer.rb:177:in
`block in worker_pool'
  C:/Ruby31-x64/lib/ruby/3.1.0/bundler/worker.rb:62:in `apply_func'
  C:/Ruby31-x64/lib/ruby/3.1.0/bundler/worker.rb:57:in `block in process_queue'
  C:/Ruby31-x64/lib/ruby/3.1.0/bundler/worker.rb:54:in `loop'
  C:/Ruby31-x64/lib/ruby/3.1.0/bundler/worker.rb:54:in `process_queue'
C:/Ruby31-x64/lib/ruby/3.1.0/bundler/worker.rb:91:in `block (2 levels) in
create_threads'

An error occurred while installing mysql2 (0.5.4), and Bundler cannot continue.

In Gemfile:
  mysql2