etching: concurrent-ruby 

rack 

sprockets 

jmespath 

aws-eventstream 

aws-sigv4 

aws-sdk-core 

aws-sdk-resources 

aws-sdk 

mime-types 

rack-protection 

tilt 

sinatra 

netrc 

unf_ext.6 
Building native extensions. This could take a while...

unf 

domain_name 

http-cookie 

rest-client 

refile 

refile-s3 

mini_magick 

refile-mini_magick 

thread_safe 

tzinfo 

i18n 

activesupport 

rails-deprecated_sanitizer 

rails-dom-testing 

crass 

loofah 

rails-html-sanitizer 

erubis 

builder 

actionview 

rack-test 

actionpack 

sprockets-rails 

bundler 

thor 

railties 

globalid 

activejob 

mini_mime 

mail 

actionmailer 

arel 

activemodel 

activerecord 

