{"action":"opened","issue":{"url":"https://api.github.com/repos/actix/actix-web/issues/434","repository_url":"https://api.github.com/repos/actix/actix-web","labels_url":"https://api.github.com/repos/actix/actix-web/issues/434/labels{/name}","comments_url":"https://api.github.com/repos/actix/actix-web/issues/434/comments","events_url":"https://api.github.com/repos/actix/actix-web/issues/434/events","html_url":"https://github.com/actix/actix-web/issues/434","id":346668937,"node_id":"MDU6SXNzdWUzNDY2Njg5Mzc=","number":434,"title":"error[E0433]: failed to resolve. Could not find `_core` in `failure`","user":{"login":"ensch","id":180274,"node_id":"MDQ6VXNlcjE4MDI3NA==","avatar_url":"https://avatars0.githubusercontent.com/u/180274?v=4","gravatar_id":"","url":"https://api.github.com/users/ensch","html_url":"https://github.com/ensch","followers_url":"https://api.github.com/users/ensch/followers","following_url":"https://api.github.com/users/ensch/following{/other_user}","gists_url":"https://api.github.com/users/ensch/gists{/gist_id}","starred_url":"https://api.github.com/users/ensch/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ensch/subscriptions","organizations_url":"https://api.github.com/users/ensch/orgs","repos_url":"https://api.github.com/users/ensch/repos","events_url":"https://api.github.com/users/ensch/events{/privacy}","received_events_url":"https://api.github.com/users/ensch/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2018-08-01T16:13:32Z","updated_at":"2018-08-01T16:13:32Z","closed_at":null,"author_association":"NONE","body":"_actix-web_ has a dependecy on _failure_ =0.1.1, but no dependecy on _failure_derive_ =0.1.1 \r\n\r\nThat leads to a combination of _failure_ 0.1.1 and _failure_derive_ 0.1.2 being selected by cargo, but this combination is not supported, leading to this compiler error:\r\n\r\n```\r\n   Compiling actix v0.7.3\r\nerror[E0433]: failed to resolve. Could not find `_core` in `failure`\r\n  --> /Users/es/.cargo/registry/src/github.com-1ecc6299db9ec823/actix-0.7.3/src/address/mod.rs:23:10\r\n   |\r\n23 | #[derive(Fail)]\r\n   |          ^^^^ Could not find `_core` in `failure`\r\n\r\nerror[E0433]: failed to resolve. Could not find `_core` in `failure`\r\n   --> /Users/es/.cargo/registry/src/github.com-1ecc6299db9ec823/actix-0.7.3/src/actors/resolver.rs:133:10\r\n    |\r\n133 | #[derive(Fail, Debug)]\r\n    |          ^^^^ Could not find `_core` in `failure`\r\n```\r\n\r\nEither the dependecy on _failure_ has to be changed from \"=0.1.1\" to e.g. \"0.1.2\" or a dependecy on the matching version of _failure_derive_ has to be added."}}
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