Resolving dependencies... Configuring cereal-0.5.4.0... Configuring data-default-class-0.1.2.0... Building data-default-class-0.1.2.0... Building cereal-0.5.4.0... Installed data-default-class-0.1.2.0 Configuring dlist-0.8.0.2... Building dlist-0.8.0.2... Configuring entropy-0.3.7... Installed dlist-0.8.0.2 Configuring lens-family-core-1.2.1... Installed cereal-0.5.4.0 Building lens-family-core-1.2.1... Building entropy-0.3.7... Configuring mtl-2.2.1... Installed lens-family-core-1.2.1 Building mtl-2.2.1... Configuring old-locale-1.0.0.7... Installed entropy-0.3.7 Building old-locale-1.0.0.7... Configuring primitive-0.6.1.0... Installed old-locale-1.0.0.7 Building primitive-0.6.1.0... Configuring transformers-compat-0.5.1.4... Installed mtl-2.2.1 Building transformers-compat-0.5.1.4... Configuring text-1.2.2.1... Installed transformers-compat-0.5.1.4 Building text-1.2.2.1... Configuring data-default-instances-containers-0.0.1... Installed primitive-0.6.1.0 Building data-default-instances-containers-0.0.1... Installed data-default-instances-containers-0.0.1 Configuring data-default-instances-dlist-0.0.1... Building data-default-instances-dlist-0.0.1... Installed data-default-instances-dlist-0.0.1 Configuring data-default-instances-old-locale-0.0.1... Building data-default-instances-old-locale-0.0.1... Configuring lens-family-1.2.1... Installed data-default-instances-old-locale-0.0.1 Building lens-family-1.2.1... Configuring tagged-0.8.5... Installed lens-family-1.2.1 Building tagged-0.8.5... Configuring vector-0.11.0.0... Installed tagged-0.8.5 Building vector-0.11.0.0... Installed text-1.2.2.1 Configuring data-default-0.7.1.1... Building data-default-0.7.1.1... Configuring crypto-api-0.13.2... Installed data-default-0.7.1.1 Building crypto-api-0.13.2... Installed crypto-api-0.13.2 Configuring hashable-1.2.4.0... Building hashable-1.2.4.0... Installed hashable-1.2.4.0 Configuring pureMD5-2.1.3... Building pureMD5-2.1.3... Installed pureMD5-2.1.3 Installed vector-0.11.0.0 Configuring scientific-0.3.4.9... Building scientific-0.3.4.9... Installed scientific-0.3.4.9 Configuring attoparsec-0.13.1.0... Building attoparsec-0.13.1.0... Installed attoparsec-0.13.1.0 Configuring rosmsg-0.4.3.1... Building rosmsg-0.4.3.1... Failed to install rosmsg-0.4.3.1 Build log ( /home/builder/.cabal/logs/rosmsg-0.4.3.1.log ): cabal: Entering directory '/tmp/cabal-tmp-15737/rosmsg-0.4.3.1' Configuring rosmsg-0.4.3.1... Building rosmsg-0.4.3.1... Preprocessing library rosmsg-0.4.3.1... [1 of 6] Compiling Robotics.ROS.Msg.Types ( src/Robotics/ROS/Msg/Types.hs, dist/build/Robotics/ROS/Msg/Types.o ) [2 of 6] Compiling Robotics.ROS.Msg.Render ( src/Robotics/ROS/Msg/Render.hs, dist/build/Robotics/ROS/Msg/Render.o ) [3 of 6] Compiling Robotics.ROS.Msg.ROSArray ( src/Robotics/ROS/Msg/ROSArray.hs, dist/build/Robotics/ROS/Msg/ROSArray.o ) [4 of 6] Compiling Robotics.ROS.Msg.Parser ( src/Robotics/ROS/Msg/Parser.hs, dist/build/Robotics/ROS/Msg/Parser.o ) [5 of 6] Compiling Robotics.ROS.Msg ( src/Robotics/ROS/Msg.hs, dist/build/Robotics/ROS/Msg.o ) [6 of 6] Compiling Robotics.ROS.Msg.TH ( src/Robotics/ROS/Msg/TH.hs, dist/build/Robotics/ROS/Msg/TH.o ) src/Robotics/ROS/Msg/TH.hs:203:19: error: • Couldn't match type ‘CxtQ -> DecQ’ with ‘Q Dec’ Expected type: [DecQ] Actual type: [CxtQ -> DecQ] • In the expression: pure $ dataD (cxt []) name [] [recs] derivingD In an equation for ‘mkData’: mkData name msg = pure $ dataD (cxt []) name [] [recs] derivingD where fields = sanitizeField <$> msg recs = recC name (catMaybes (fieldQ <$> fields)) derivingD = [mkName "P.Show", ....] src/Robotics/ROS/Msg/TH.hs:204:28: error: • Couldn't match expected type ‘Maybe Kind’ with actual type ‘[ConQ]’ • In the fourth argument of ‘dataD’, namely ‘[recs]’ In the second argument of ‘($)’, namely ‘dataD (cxt []) name [] [recs] derivingD’ In the expression: pure $ dataD (cxt []) name [] [recs] derivingD src/Robotics/ROS/Msg/TH.hs:204:35: error: • Couldn't match type ‘Name’ with ‘Q Con’ Expected type: [ConQ] Actual type: [Name] • In the fifth argument of ‘dataD’, namely ‘derivingD’ In the second argument of ‘($)’, namely ‘dataD (cxt []) name [] [recs] derivingD’ In the expression: pure $ dataD (cxt []) name [] [recs] derivingD cabal: Leaving directory '/tmp/cabal-tmp-15737/rosmsg-0.4.3.1' cabal: Error: some packages failed to install: rosmsg-0.4.3.1 failed during the building phase. The exception was: ExitFailure 1