{"action":"closed","issue":{"url":"https://api.github.com/repos/ember-cli/ember-cli/issues/4145","labels_url":"https://api.github.com/repos/ember-cli/ember-cli/issues/4145/labels{/name}","comments_url":"https://api.github.com/repos/ember-cli/ember-cli/issues/4145/comments","events_url":"https://api.github.com/repos/ember-cli/ember-cli/issues/4145/events","html_url":"https://github.com/ember-cli/ember-cli/issues/4145","id":79387534,"number":4145,"title":"`ember build --environment production` hangs","user":{"login":"zyllorion","id":10155785,"avatar_url":"https://avatars.githubusercontent.com/u/10155785?v=3","gravatar_id":"","url":"https://api.github.com/users/zyllorion","html_url":"https://github.com/zyllorion","followers_url":"https://api.github.com/users/zyllorion/followers","following_url":"https://api.github.com/users/zyllorion/following{/other_user}","gists_url":"https://api.github.com/users/zyllorion/gists{/gist_id}","starred_url":"https://api.github.com/users/zyllorion/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/zyllorion/subscriptions","organizations_url":"https://api.github.com/users/zyllorion/orgs","repos_url":"https://api.github.com/users/zyllorion/repos","events_url":"https://api.github.com/users/zyllorion/events{/privacy}","received_events_url":"https://api.github.com/users/zyllorion/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/ember-cli/ember-cli/labels/pending-submitter-response","name":"pending-submitter-response","color":"fbca04"}],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":4,"created_at":"2015-05-22T10:01:10Z","updated_at":"2015-05-26T16:59:21Z","closed_at":"2015-05-26T16:59:20Z","body":"Possibly related to https://github.com/ember-cli/ember-cli/issues/4004 although that cites less as an issue.  I do not use less.\r\n\r\nI have tried very latest 12.3 node.js and 2.0.2 io.js, on latested mac osx.\r\nCommand used is `ember build --environment production`.\r\n\r\nGlobal packages:\r\n```\r\n/usr/local/lib\r\n├── bower@1.4.1\r\n├── ember-cli@0.2.5\r\n├── ember-cli-i18n@0.0.6\r\n├── grunt@0.4.5\r\n├── grunt-cli@0.1.13\r\n├── npm@2.9.0\r\n├── npm-check-updates@1.5.1\r\n├── phantomjs@1.9.17\r\n└── testem@0.8.3\r\n```\r\n\r\nProject packages\r\n```\r\n    \"broccoli-asset-rev\": \"2.0.3\",\r\n    \"broccoli-env\": \"0.0.1\",\r\n    \"broccoli-file-creator\": \"0.1.0\",\r\n    \"broccoli-merge-trees\": \"^0.2.1\",\r\n    \"broccoli-static-compiler\": \"0.2.1\",\r\n    \"connect-restreamer\": \"1.0.2\",\r\n    \"ember-cli\": \"0.2.5\",\r\n    \"ember-cli-app-version\": \"0.3.3\",\r\n    \"ember-cli-babel\": \"\",\r\n    \"ember-cli-bootstrap-datepicker\": \"0.4.0\",\r\n    \"ember-cli-content-security-policy\": \"0.4.0\",\r\n    \"ember-cli-dependency-checker\": \"1.0.1\",\r\n    \"ember-cli-htmlbars\": \"0.7.7\",\r\n    \"ember-cli-i18n\": \"0.0.5\",\r\n    \"ember-cli-ic-ajax\": \"0.1.2\",\r\n    \"ember-cli-inject-live-reload\": \"1.3.1\",\r\n    \"ember-cli-log-observers-and-computed\": \"0.0.2\",\r\n    \"ember-cli-mirage\": \"https://github.com/samselikoff/ember-cli-mirage/tarball/master\",\r\n    \"ember-cli-qunit\": \"0.3.14\",\r\n    \"ember-cli-sass\": \"4.0.0\",\r\n    \"ember-cli-uglify\": \"1.0.1\",\r\n    \"ember-data\": \"1.0.0-beta.18\",\r\n    \"ember-export-application-global\": \"1.0.2\",\r\n    \"ember-wuphf\": \"0.0.2\",\r\n    \"express\": \"4.12.4\",\r\n    \"glob\": \"5.0.7\",\r\n    \"morgan\": \"1.5.3\"\r\n```\r\n\r\nFor reference to other issue, I have an empty app.css (single line comment), and an app.scss which has numerous imports (although build still hangs if I comment entire file.\r\n\r\nHere is the output:\r\n```\r\n  babel [BABEL] boot/word-cloud/view.js: Start transformer builtin-trailing +1ms\r\n  babel [BABEL] boot/word-cloud/view.js: Finish transformer builtin-trailing +3ms\r\n  babel [BABEL] boot/word-cloud/view.js: Generation start +0ms\r\n  babel [BABEL] boot/word-cloud/view.js: Generation end +6ms\r\nBuilding.  broccoli-caching-writer  cache eviction due to: \r\n     - {directory, ., 16832, 170, 170, 1432288610000} \r\n     - {undefined} +0ms\r\nBuilding.. <-- hangs here, no animation\r\n```"}}