{"action":"created","issue":{"url":"https://api.github.com/repos/flutter/engine/issues/1851","labels_url":"https://api.github.com/repos/flutter/engine/issues/1851/labels{/name}","comments_url":"https://api.github.com/repos/flutter/engine/issues/1851/comments","events_url":"https://api.github.com/repos/flutter/engine/issues/1851/events","html_url":"https://github.com/flutter/engine/pull/1851","id":113878925,"number":1851,"title":"Fix crash when removing a card in card_collection","user":{"login":"Hixie","id":551196,"avatar_url":"https://avatars.githubusercontent.com/u/551196?v=3","gravatar_id":"","url":"https://api.github.com/users/Hixie","html_url":"https://github.com/Hixie","followers_url":"https://api.github.com/users/Hixie/followers","following_url":"https://api.github.com/users/Hixie/following{/other_user}","gists_url":"https://api.github.com/users/Hixie/gists{/gist_id}","starred_url":"https://api.github.com/users/Hixie/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Hixie/subscriptions","organizations_url":"https://api.github.com/users/Hixie/orgs","repos_url":"https://api.github.com/users/Hixie/repos","events_url":"https://api.github.com/users/Hixie/events{/privacy}","received_events_url":"https://api.github.com/users/Hixie/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2015-10-28T17:42:57Z","updated_at":"2015-10-28T18:13:11Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/flutter/engine/pulls/1851","html_url":"https://github.com/flutter/engine/pull/1851","diff_url":"https://github.com/flutter/engine/pull/1851.diff","patch_url":"https://github.com/flutter/engine/pull/1851.patch"},"body":"MixedViewport didn't use the building:true flag when locking itself, so\r\nwhen it caused a rebuild of its children, we assumed that nobody was\r\nallowed to mark things dirty below the list, and things crashed when\r\nInherited people did in fact rebuild.\r\n\r\nAlso:\r\n - default offset for MixedViewport\r\n - don't bother rebuilding if the underlying RenderObject is going to\r\n   rebuild anyway for some reason\r\n - better docs for the \"items must have keys\" assert\r\n - keep the FlipComponent stuff together in test_widgets.dart"},"comment":{"url":"https://api.github.com/repos/flutter/engine/issues/comments/151938442","html_url":"https://github.com/flutter/engine/pull/1851#issuecomment-151938442","issue_url":"https://api.github.com/repos/flutter/engine/issues/1851","id":151938442,"user":{"login":"abarth","id":112007,"avatar_url":"https://avatars.githubusercontent.com/u/112007?v=3","gravatar_id":"","url":"https://api.github.com/users/abarth","html_url":"https://github.com/abarth","followers_url":"https://api.github.com/users/abarth/followers","following_url":"https://api.github.com/users/abarth/following{/other_user}","gists_url":"https://api.github.com/users/abarth/gists{/gist_id}","starred_url":"https://api.github.com/users/abarth/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/abarth/subscriptions","organizations_url":"https://api.github.com/users/abarth/orgs","repos_url":"https://api.github.com/users/abarth/repos","events_url":"https://api.github.com/users/abarth/events{/privacy}","received_events_url":"https://api.github.com/users/abarth/received_events","type":"User","site_admin":false},"created_at":"2015-10-28T18:13:11Z","updated_at":"2015-10-28T18:13:11Z","body":"LGTM"}}