`require': cannot load such file -- pry-debugger (LoadError)

[sginsbourg]

C:/Ruby24-x64/lib/ruby/2.4.0/rubygems/core_ext/kernel_require.rb:55:in require': cannot load such file -- pry-debugger (LoadError) from C:/Ruby24-x64/lib/ruby/2.4.0/rubygems/core_ext/kernel_require.rb:55:in require'
from convert.rb:6:in `

'

source: http://elementalselenium.com/tips/68-load-testing-revisited

[sginsbourg]

gem install pry-debugger
Temporarily enhancing PATH for MSYS/MINGW...
Building native extensions. This could take a while...
ERROR: Error installing pry-debugger:
ERROR: Failed to build gem native extension.

current directory: C:/Ruby24-x64/lib/ruby/gems/2.4.0/gems/debugger-1.6.8/ext/ruby_debug

C:/Ruby24-x64/bin/ruby.exe -r ./siteconf20180928-5272-4n0rdn.rb extconf.rb
*** 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:/Ruby24-x64/bin/$(RUBY_BASE_NAME)
C:/Ruby24-x64/lib/ruby/2.4.0/fileutils.rb:1289:in initialize': No such file or directory @ rb_sysopen - ./244/ruby_debug.h (Errno::ENOENT) from C:/Ruby24-x64/lib/ruby/2.4.0/fileutils.rb:1289:in open'
from C:/Ruby24-x64/lib/ruby/2.4.0/fileutils.rb:1289:in copy_file' from C:/Ruby24-x64/lib/ruby/2.4.0/fileutils.rb:430:in copy_file'
from C:/Ruby24-x64/lib/ruby/2.4.0/fileutils.rb:357:in block in cp' from C:/Ruby24-x64/lib/ruby/2.4.0/fileutils.rb:1461:in block in fu_each_src_dest'
from C:/Ruby24-x64/lib/ruby/2.4.0/fileutils.rb:1475:in fu_each_src_dest0' from C:/Ruby24-x64/lib/ruby/2.4.0/fileutils.rb:1459:in fu_each_src_dest'
from C:/Ruby24-x64/lib/ruby/2.4.0/fileutils.rb:356:in cp' from extconf.rb:83:in block in

'
from extconf.rb:82:in each' from extconf.rb:82:in '

extconf failed, exit code 1

Gem files will remain installed in C:/Ruby24-x64/lib/ruby/gems/2.4.0/gems/debugger-1.6.8 for inspection.
Results logged to C:/Ruby24-x64/lib/ruby/gems/2.4.0/extensions/x64-mingw32/2.4.0/debugger-1.6.8/gem_make.out