$ rake
/home/pancho/.rvm/gems/ruby-2.4.1/gems/bundler-1.15.4/lib/bundler/rubygems_integration.rb:64:in `rescue in validate': The gemspec at /home/pancho/projects/instasent-ruby-lib/instasent.gemspec is not valid. Please fix this gemspec. (Gem::InvalidSpecificationException)
The validation error was 'instasent-0.1.4 contains itself (instasent-0.1.4.gem), check your files list'
from /home/pancho/.rvm/gems/ruby-2.4.1/gems/bundler-1.15.4/lib/bundler/rubygems_integration.rb:60:in `validate'
from /home/pancho/.rvm/gems/ruby-2.4.1/gems/bundler-1.15.4/lib/bundler/source/path.rb:158:in `validate_spec'
from /home/pancho/.rvm/gems/ruby-2.4.1/gems/bundler-1.15.4/lib/bundler/source/path.rb:172:in `block in load_spec_files'
from /home/pancho/.rvm/gems/ruby-2.4.1/gems/bundler-1.15.4/lib/bundler/source/path.rb:166:in `each'
from /home/pancho/.rvm/gems/ruby-2.4.1/gems/bundler-1.15.4/lib/bundler/source/path.rb:166:in `load_spec_files'
from /home/pancho/.rvm/gems/ruby-2.4.1/gems/bundler-1.15.4/lib/bundler/source/path.rb:97:in `local_specs'
from /home/pancho/.rvm/gems/ruby-2.4.1/gems/bundler-1.15.4/lib/bundler/source/path.rb:105:in `specs'
from /home/pancho/.rvm/gems/ruby-2.4.1/gems/bundler-1.15.4/lib/bundler/definition.rb:587:in `specs_for_source_changed?'
from /home/pancho/.rvm/gems/ruby-2.4.1/gems/bundler-1.15.4/lib/bundler/definition.rb:572:in `specs_changed?'
from /home/pancho/.rvm/gems/ruby-2.4.1/gems/bundler-1.15.4/lib/bundler/definition.rb:613:in `block in converge_paths'
from /home/pancho/.rvm/gems/ruby-2.4.1/gems/bundler-1.15.4/lib/bundler/definition.rb:612:in `any?'
from /home/pancho/.rvm/gems/ruby-2.4.1/gems/bundler-1.15.4/lib/bundler/definition.rb:612:in `converge_paths'
from /home/pancho/.rvm/gems/ruby-2.4.1/gems/bundler-1.15.4/lib/bundler/definition.rb:108:in `initialize'
from /home/pancho/.rvm/gems/ruby-2.4.1/gems/bundler-1.15.4/lib/bundler/dsl.rb:200:in `new'
from /home/pancho/.rvm/gems/ruby-2.4.1/gems/bundler-1.15.4/lib/bundler/dsl.rb:200:in `to_definition'
from /home/pancho/.rvm/gems/ruby-2.4.1/gems/bundler-1.15.4/lib/bundler/dsl.rb:12:in `evaluate'
from /home/pancho/.rvm/gems/ruby-2.4.1/gems/bundler-1.15.4/lib/bundler/definition.rb:33:in `build'
from /home/pancho/.rvm/gems/ruby-2.4.1/gems/bundler-1.15.4/lib/bundler.rb:129:in `definition'
from /home/pancho/.rvm/gems/ruby-2.4.1/gems/bundler-1.15.4/lib/bundler.rb:112:in `load'
from /home/pancho/.rvm/gems/ruby-2.4.1@global/gems/rubygems-bundler-1.4.4/lib/rubygems-bundler/noexec.rb:46:in `candidate?'
from /home/pancho/.rvm/gems/ruby-2.4.1@global/gems/rubygems-bundler-1.4.4/lib/rubygems-bundler/noexec.rb:92:in `setup'
from /home/pancho/.rvm/gems/ruby-2.4.1@global/gems/rubygems-bundler-1.4.4/lib/rubygems-bundler/noexec.rb:124:in `check'
from /home/pancho/.rvm/gems/ruby-2.4.1@global/gems/rubygems-bundler-1.4.4/lib/rubygems-bundler/noexec.rb:131:in `<top (required)>'
from /home/pancho/.rvm/rubies/ruby-2.4.1/lib/ruby/site_ruby/2.4.0/rubygems/core_ext/kernel_require.rb:133:in `require'
from /home/pancho/.rvm/rubies/ruby-2.4.1/lib/ruby/site_ruby/2.4.0/rubygems/core_ext/kernel_require.rb:133:in `rescue in require'
from /home/pancho/.rvm/rubies/ruby-2.4.1/lib/ruby/site_ruby/2.4.0/rubygems/core_ext/kernel_require.rb:40:in `require'
from /home/pancho/.rvm/gems/ruby-2.4.1@global/gems/rubygems-bundler-1.4.4/lib/rubygems_executable_plugin.rb:4:in `block in <top (required)>'
from /home/pancho/.rvm/gems/ruby-2.4.1@global/gems/executable-hooks-1.3.2/lib/executable-hooks/hooks.rb:50:in `block in run'
from /home/pancho/.rvm/gems/ruby-2.4.1@global/gems/executable-hooks-1.3.2/lib/executable-hooks/hooks.rb:49:in `each'
from /home/pancho/.rvm/gems/ruby-2.4.1@global/gems/executable-hooks-1.3.2/lib/executable-hooks/hooks.rb:49:in `run'
from /home/pancho/.rvm/gems/ruby-2.4.1/bin/ruby_executable_hooks:10:in `<main>'
