Resolving dependencies... Starting StateVar-1.2.2 Starting base-orphans-0.8.6 Starting cmdargs-0.10.21 Starting base-compat-0.12.1 Building StateVar-1.2.2 Building base-orphans-0.8.6 Building cmdargs-0.10.21 Building base-compat-0.12.1 Completed StateVar-1.2.2 Starting colour-2.3.6 Building colour-2.3.6 Completed base-orphans-0.8.6 Starting data-default-class-0.1.2.0 Building data-default-class-0.1.2.0 Completed base-compat-0.12.1 Starting dlist-1.0 Building dlist-1.0 Completed data-default-class-0.1.2.0 Starting indexed-traversable-0.1.2 Building indexed-traversable-0.1.2 Completed colour-2.3.6 Starting integer-logarithms-1.0.3.1 Building integer-logarithms-1.0.3.1 Completed dlist-1.0 Starting old-locale-1.0.0.7 Building old-locale-1.0.0.7 Completed integer-logarithms-1.0.3.1 Starting primitive-0.7.3.0 Building primitive-0.7.3.0 Completed old-locale-1.0.0.7 Starting safe-0.3.19 Completed indexed-traversable-0.1.2 Starting split-0.2.3.4 Building safe-0.3.19 Building split-0.2.3.4 Completed split-0.2.3.4 Starting splitmix-0.1.0.4 Building splitmix-0.1.0.4 Completed safe-0.3.19 Starting tagged-0.8.6.1 Building tagged-0.8.6.1 Completed splitmix-0.1.0.4 Starting th-abstraction-0.4.3.0 Building th-abstraction-0.4.3.0 Completed cmdargs-0.10.21 Starting transformers-compat-0.7.1 Building transformers-compat-0.7.1 Completed tagged-0.8.6.1 Starting ttc-1.1.1.1 Building ttc-1.1.1.1 Completed th-abstraction-0.4.3.0 Starting unliftio-core-0.2.0.1 Completed transformers-compat-0.7.1 Starting utf8-string-1.0.2 Building unliftio-core-0.2.0.1 Building utf8-string-1.0.2 Completed ttc-1.1.1.1 Starting contravariant-1.5.5 Completed primitive-0.7.3.0 Starting hashable-1.4.0.2 Building contravariant-1.5.5 Building hashable-1.4.0.2 Completed unliftio-core-0.2.0.1 Starting data-default-instances-containers-0.0.1 Building data-default-instances-containers-0.0.1 Completed data-default-instances-containers-0.0.1 Starting ansi-terminal-0.11.1 Building ansi-terminal-0.11.1 Completed contravariant-1.5.5 Starting data-default-instances-dlist-0.0.1 Completed utf8-string-1.0.2 Starting data-default-instances-old-locale-0.0.1 Building data-default-instances-dlist-0.0.1 Building data-default-instances-old-locale-0.0.1 Completed hashable-1.4.0.2 Starting random-1.2.1 Completed data-default-instances-dlist-0.0.1 Starting distributive-0.6.2.1 Building random-1.2.1 Completed data-default-instances-old-locale-0.0.1 Starting vector-0.12.3.1 Building distributive-0.6.2.1 Building vector-0.12.3.1 Completed ansi-terminal-0.11.1 Starting resourcet-1.2.4.3 Building resourcet-1.2.4.3 Completed distributive-0.6.2.1 Starting unordered-containers-0.2.16.0 Building unordered-containers-0.2.16.0 Completed resourcet-1.2.4.3 Starting time-compat-1.9.6.1 Building time-compat-1.9.6.1 Completed random-1.2.1 Starting text-short-0.1.5 Building text-short-0.1.5 Completed time-compat-1.9.6.1 Starting scientific-0.3.7.0 Building scientific-0.3.7.0 Completed unordered-containers-0.2.16.0 Starting data-fix-0.3.2 Completed text-short-0.1.5 Starting case-insensitive-1.2.1.0 Building data-fix-0.3.2 Building case-insensitive-1.2.1.0 Completed scientific-0.3.7.0 Starting OneTuple-0.3.1 Building OneTuple-0.3.1 Completed data-fix-0.3.2 Starting data-default-0.7.1.1 Completed case-insensitive-1.2.1.0 Starting ansi-wl-pprint-0.6.9 Building data-default-0.7.1.1 Building ansi-wl-pprint-0.6.9 Completed OneTuple-0.3.1 Starting comonad-5.0.8 Building comonad-5.0.8 Completed data-default-0.7.1.1 Starting uuid-types-1.0.5 Building uuid-types-1.0.5 Completed ansi-wl-pprint-0.6.9 Starting QuickCheck-2.14.2 Building QuickCheck-2.14.2 Completed uuid-types-1.0.5 Starting attoparsec-0.14.4 Completed comonad-5.0.8 Starting http-types-0.12.3 Building attoparsec-0.14.4 Building http-types-0.12.3 Completed http-types-0.12.3 Starting base-compat-batteries-0.12.1 Building base-compat-batteries-0.12.1 Completed base-compat-batteries-0.12.1 Starting optparse-applicative-0.17.0.0 Building optparse-applicative-0.17.0.0 Completed attoparsec-0.14.4 Starting bifunctors-5.5.11 Building bifunctors-5.5.11 Completed vector-0.12.3.1 Starting vector-algorithms-0.8.0.4 Building vector-algorithms-0.8.0.4 Completed QuickCheck-2.14.2 Starting indexed-traversable-instances-0.1.1 Completed optparse-applicative-0.17.0.0 Building indexed-traversable-instances-0.1.1 Completed indexed-traversable-instances-0.1.1 Starting witherable-0.4.2 Building witherable-0.4.2 Completed bifunctors-5.5.11 Starting assoc-1.0.2 Starting semigroupoids-5.3.7 Building assoc-1.0.2 Building semigroupoids-5.3.7 Completed vector-algorithms-0.8.0.4 Starting mono-traversable-1.0.15.3 Completed assoc-1.0.2 Starting these-1.1.1.1 Building mono-traversable-1.0.15.3 Building these-1.1.1.1 Completed witherable-0.4.2 Completed these-1.1.1.1 Starting strict-0.4.0.1 Building strict-0.4.0.1 Completed strict-0.4.0.1 Completed semigroupoids-5.3.7 Starting semialign-1.2.0.1 Building semialign-1.2.0.1 Completed mono-traversable-1.0.15.3 Starting conduit-1.3.4.2 Completed semialign-1.2.0.1 Starting aeson-2.0.3.0 Building conduit-1.3.4.2 Building aeson-2.0.3.0 Completed conduit-1.3.4.2 Starting libyaml-0.1.2 Building libyaml-0.1.2 Completed libyaml-0.1.2 Completed aeson-2.0.3.0 Starting aeson-pretty-0.8.9 Starting yaml-0.11.8.0 Building aeson-pretty-0.8.9 Building yaml-0.11.8.0 Completed aeson-pretty-0.8.9 Completed yaml-0.11.8.0 Starting ginger-0.8.2.0 Building ginger-0.8.2.0 Failed to install ginger-0.8.2.0 Build log ( /home/builder/.cabal/logs/ghc-8.10.2/ginger-0.8.2.0-1kE0KJLxt7R53ZzBXpJvm.log ): cabal: Entering directory '/tmp/cabal-tmp-4128/ginger-0.8.2.0' Configuring ginger-0.8.2.0... Preprocessing library for ginger-0.8.2.0.. Building library for ginger-0.8.2.0.. [ 1 of 12] Compiling Text.Ginger.Html ( src/Text/Ginger/Html.hs, dist/build/Text/Ginger/Html.o, dist/build/Text/Ginger/Html.dyn_o ) [ 2 of 12] Compiling Text.Ginger.GVal ( src/Text/Ginger/GVal.hs, dist/build/Text/Ginger/GVal.o, dist/build/Text/Ginger/GVal.dyn_o ) src/Text/Ginger/GVal.hs:595:33: error: " No instance for (ToGVal m JSON.Object) arising from a use of toGVal " In the expression: toGVal o In an equation for rawJSONToGVal: rawJSONToGVal (JSON.Object o) = toGVal o | 595 | rawJSONToGVal (JSON.Object o) = toGVal o | ^^^^^^^^ src/Text/Ginger/GVal.hs:780:28: error: " Could not deduce (Prelude.MonadFail m) arising from a use of Prelude.fail from the context: (Monad m, FromGVal m a) bound by the type signature for: fromGValM :: forall (m :: * -> *) a. (Monad m, FromGVal m a) => GVal m -> m a at src/Text/Ginger/GVal.hs:779:1-53 Possible fix: add (Prelude.MonadFail m) to the context of the type signature for: fromGValM :: forall (m :: * -> *) a. (Monad m, FromGVal m a) => GVal m -> m a " In the first argument of Prelude.either, namely Prelude.fail In the first argument of (.), namely Prelude.either Prelude.fail return In the expression: Prelude.either Prelude.fail return . fromGValEither | 780 | fromGValM = Prelude.either Prelude.fail return . fromGValEither | ^^^^^^^^^^^^ cabal: Leaving directory '/tmp/cabal-tmp-4128/ginger-0.8.2.0' cabal: Error: some packages failed to install: ginger-0.8.2.0-1kE0KJLxt7R53ZzBXpJvm failed during the building phase. The exception was: ExitFailure 1 queue-sheet-0.7.0.2-AkEPRCMmblNKMcRMcXJqaQ depends on queue-sheet-0.7.0.2 which failed to install.