rake aborted!
WARNING:  licenses is empty, but is recommended.  Use a license identifier from
http://spdx.org/licenses or 'Nonstandard' for a nonstandard license.
WARNING:  no summary specified
WARNING:  description and summary are identical
WARNING:  open-ended dependency on rake (>= 0, development) is not recommended
  use a bounded requirement, such as '~> x.y'
WARNING:  See http://guides.rubygems.org/specification-reference/ for help
ERROR:  While executing gem ... (Gem::Package::TooLongFileName)
    File "app/assets/javascripts/relay/packages/react-relay/__tests__/__generated__/ClientEdgeQuery_RelayResolverNullableModelClientEdgeTest_ServerObjectReadOnlyId_Query_edge_to_server_object_does_not_exist.graphql.js" has a too long name (should be 100 or less)
/home/rails-assets/rails-apps/rails-assets/shared/bundle/ruby/2.4.0/bin/ruby_executable_hooks:22:in `eval'
/home/rails-assets/rails-apps/rails-assets/shared/bundle/ruby/2.4.0/bin/ruby_executable_hooks:22:in `<main>'
Tasks: TOP => build
(See full trace by running task with --trace)