Resolving dependencies... Configuring base-orphans-0.5.4... Configuring SHA-1.6.4.2... Building base-orphans-0.5.4... Building SHA-1.6.4.2... Configuring base64-bytestring-1.0.0.1... Installed base-orphans-0.5.4 Building base64-bytestring-1.0.0.1... Installed base64-bytestring-1.0.0.1 Configuring dlist-0.8.0.2... Building dlist-0.8.0.2... Configuring entropy-0.3.7... Installed dlist-0.8.0.2 Configuring fail-4.9.0.0... Installed SHA-1.6.4.2 Building fail-4.9.0.0... Configuring mtl-2.2.1... Installed fail-4.9.0.0 Building entropy-0.3.7... Building mtl-2.2.1... Configuring network-2.6.3.1... Installed entropy-0.3.7 Configuring parallel-3.2.1.0... Installed mtl-2.2.1 Building parallel-3.2.1.0... Building network-2.6.3.1... Configuring prelude-extras-0.4.0.3... Installed parallel-3.2.1.0 Building prelude-extras-0.4.0.3... Configuring primitive-0.6.1.0... Installed prelude-extras-0.4.0.3 Building primitive-0.6.1.0... Configuring reflection-2.1.2... Installed network-2.6.3.1 Building reflection-2.1.2... Configuring random-1.1... Installed primitive-0.6.1.0 Building random-1.1... Configuring stm-2.4.4.1... Installed reflection-2.1.2 Building stm-2.4.4.1... Configuring semigroups-0.18.2... Installed random-1.1 Building semigroups-0.18.2... Configuring syb-0.6... Installed stm-2.4.4.1 Configuring transformers-compat-0.5.1.4... Installed semigroups-0.18.2 Building syb-0.6... 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... Installed syb-0.6 Configuring StateVar-1.1.0.4... Building StateVar-1.1.0.4... Configuring MonadRandom-0.4.2.3... Installed StateVar-1.1.0.4 Building MonadRandom-0.4.2.3... Configuring exceptions-0.8.3... Installed MonadRandom-0.4.2.3 Building exceptions-0.8.3... Configuring mmorph-1.0.9... Installed exceptions-0.8.3 Building mmorph-1.0.9... Configuring vector-0.11.0.0... Installed mmorph-1.0.9 Building vector-0.11.0.0... Configuring tagged-0.8.5... Installed text-1.2.2.1 Building tagged-0.8.5... Configuring transformers-base-0.4.4... Installed tagged-0.8.5 Building transformers-base-0.4.4... Installed transformers-base-0.4.4 Configuring blaze-builder-0.4.0.2... Building blaze-builder-0.4.0.2... Configuring hashable-1.2.4.0... Installed blaze-builder-0.4.0.2 Building hashable-1.2.4.0... Configuring distributive-0.5.0.2... Installed hashable-1.2.4.0 Building distributive-0.5.0.2... Configuring monad-control-1.0.1.0... Installed distributive-0.5.0.2 Building monad-control-1.0.1.0... Installed monad-control-1.0.1.0 Configuring unordered-containers-0.2.7.1... Configuring case-insensitive-1.2.0.7... Installed vector-0.11.0.0 Building unordered-containers-0.2.7.1... Building case-insensitive-1.2.0.7... Configuring void-0.7.1... Installed case-insensitive-1.2.0.7 Building void-0.7.1... Installed void-0.7.1 Configuring scientific-0.3.4.9... Building scientific-0.3.4.9... Configuring contravariant-1.4... Installed unordered-containers-0.2.7.1 Building contravariant-1.4... Installed scientific-0.3.4.9 Configuring attoparsec-0.13.1.0... Building attoparsec-0.13.1.0... Installed contravariant-1.4 Configuring comonad-5... Building comonad-5... Installed attoparsec-0.13.1.0 Configuring websockets-0.9.7.0... Building websockets-0.9.7.0... Configuring aeson-0.11.2.1... Installed comonad-5 Building aeson-0.11.2.1... Installed websockets-0.9.7.0 Configuring bifunctors-5.4.1... Building bifunctors-5.4.1... Installed bifunctors-5.4.1 Configuring semigroupoids-5.1... Configuring profunctors-5.2... Installed aeson-0.11.2.1 Building profunctors-5.2... Building semigroupoids-5.1... Installed profunctors-5.2 Installed semigroupoids-5.1 Configuring free-4.12.4... Building free-4.12.4... Installed free-4.12.4 Configuring adjunctions-4.3... Configuring either-4.4.1.1... Building adjunctions-4.3... Building either-4.4.1.1... Installed either-4.4.1.1 Installed adjunctions-4.3 Configuring kan-extensions-5.0.1... Building kan-extensions-5.0.1... Installed kan-extensions-5.0.1 Configuring lens-4.15.1... Building lens-4.15.1... Installed lens-4.15.1 Configuring stratux-types-0.0.3... Building stratux-types-0.0.3... Failed to install stratux-types-0.0.3 Build log ( /home/builder/.cabal/logs/stratux-types-0.0.3.log ): cabal: Entering directory '/tmp/cabal-tmp-8168/stratux-types-0.0.3' [1 of 1] Compiling Main ( /tmp/cabal-tmp-8168/stratux-types-0.0.3/dist/setup/setup.hs, /tmp/cabal-tmp-8168/stratux-types-0.0.3/dist/setup/Main.o ) Linking /tmp/cabal-tmp-8168/stratux-types-0.0.3/dist/setup/setup ... Configuring stratux-types-0.0.3... Building stratux-types-0.0.3... Preprocessing library stratux-types-0.0.3... [1 of 5] Compiling Data.Aviation.Stratux.Types.TargetType ( src/Data/Aviation/Stratux/Types/TargetType.hs, dist/build/Data/Aviation/Stratux/Types/TargetType.o ) src/Data/Aviation/Stratux/Types/TargetType.hs:37:4: error: • Constraint ‘Num a’ in the type of ‘_TargetTypeNum’ constrains only the class type variables Use ConstrainedClassMethods to allow it • When checking the class method: _TargetTypeNum :: forall a. (AsTargetTypeNum a, Num a, Eq a) => Prism' a TargetType In the class declaration for ‘AsTargetTypeNum’ src/Data/Aviation/Stratux/Types/TargetType.hs:37:4: error: • Constraint ‘Eq a’ in the type of ‘_TargetTypeNum’ constrains only the class type variables Use ConstrainedClassMethods to allow it • When checking the class method: _TargetTypeNum :: forall a. (AsTargetTypeNum a, Num a, Eq a) => Prism' a TargetType In the class declaration for ‘AsTargetTypeNum’ cabal: Leaving directory '/tmp/cabal-tmp-8168/stratux-types-0.0.3' cabal: Error: some packages failed to install: stratux-0.0.3 depends on stratux-types-0.0.3 which failed to install. stratux-types-0.0.3 failed during the building phase. The exception was: ExitFailure 1 stratux-websockets-0.0.3 depends on stratux-types-0.0.3 which failed to install.