{"action":"opened","issue":{"url":"https://api.github.com/repos/joelwilliamson/bimap/issues/3","labels_url":"https://api.github.com/repos/joelwilliamson/bimap/issues/3/labels{/name}","comments_url":"https://api.github.com/repos/joelwilliamson/bimap/issues/3/comments","events_url":"https://api.github.com/repos/joelwilliamson/bimap/issues/3/events","html_url":"https://github.com/joelwilliamson/bimap/issues/3","id":112100014,"number":3,"title":"bimap-0.3.1 does not build (Can't make a derived instance of ‘Typeable BimapException’)","user":{"login":"pmlodawski","id":5347572,"avatar_url":"https://avatars.githubusercontent.com/u/5347572?v=3","gravatar_id":"","url":"https://api.github.com/users/pmlodawski","html_url":"https://github.com/pmlodawski","followers_url":"https://api.github.com/users/pmlodawski/followers","following_url":"https://api.github.com/users/pmlodawski/following{/other_user}","gists_url":"https://api.github.com/users/pmlodawski/gists{/gist_id}","starred_url":"https://api.github.com/users/pmlodawski/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/pmlodawski/subscriptions","organizations_url":"https://api.github.com/users/pmlodawski/orgs","repos_url":"https://api.github.com/users/pmlodawski/repos","events_url":"https://api.github.com/users/pmlodawski/events{/privacy}","received_events_url":"https://api.github.com/users/pmlodawski/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-10-19T08:44:56Z","updated_at":"2015-10-19T08:44:56Z","closed_at":null,"body":"Hi! Latest version does not build:\r\n\r\n    ➜  /tmp  cabal get bimap   \r\n    Downloading bimap-0.3.1...\r\n    Unpacking to bimap-0.3.1/\r\n    ➜  /tmp  cd bimap-0.3.1 \r\n    ➜  bimap-0.3.1  cabal sandbox init\r\n    Writing a default package environment file to\r\n    /tmp/bimap-0.3.1/cabal.sandbox.config\r\n    Creating a new sandbox at /tmp/bimap-0.3.1/.cabal-sandbox\r\n    ➜  bimap-0.3.1  cabal install           \r\n    Resolving dependencies...\r\n    Notice: installing into a sandbox located at /tmp/bimap-0.3.1/.cabal-sandbox\r\n    Configuring stm-2.4.4...\r\n    Configuring transformers-0.4.3.0...\r\n    Building stm-2.4.4...\r\n    Building transformers-0.4.3.0...\r\n    Installed stm-2.4.4\r\n    Installed transformers-0.4.3.0\r\n    Configuring transformers-compat-0.4.0.4...\r\n    Configuring mtl-2.2.1...\r\n    Building transformers-compat-0.4.0.4...\r\n    Building mtl-2.2.1...\r\n    Installed transformers-compat-0.4.0.4\r\n    Installed mtl-2.2.1\r\n    Configuring exceptions-0.8.0.2...\r\n    Building exceptions-0.8.0.2...\r\n    Installed exceptions-0.8.0.2\r\n    Configuring bimap-0.3.1...\r\n    Building bimap-0.3.1...\r\n    Failed to install bimap-0.3.1\r\n    Build log ( /tmp/bimap-0.3.1/.cabal-sandbox/logs/bimap-0.3.1.log ):\r\n    Configuring bimap-0.3.1...\r\n    Building bimap-0.3.1...\r\n    Preprocessing library bimap-0.3.1...\r\n    [1 of 1] Compiling Data.Bimap       ( Data/Bimap.hs, dist/dist-sandbox-ea5d7e38/build/Data/Bimap.o )\r\n\r\n    Data/Bimap.hs:120:22:\r\n        Can't make a derived instance of ‘Typeable BimapException’:\r\n          You need DeriveDataTypeable to derive an instance for this class\r\n        In the data declaration for ‘BimapException’\r\n    cabal: Error: some packages failed to install:\r\n    bimap-0.3.1 failed during the building phase. The exception was:\r\n    ExitFailure 1\r\n    ➜  bimap-0.3.1  ghc --version\r\n    The Glorious Glasgow Haskell Compilation System, version 7.8.4\r\n\r\n"}}