Resolving dependencies... Configuring base-orphans-0.6... Configuring base-compat-0.9.3... Building base-orphans-0.6... Building base-compat-0.9.3... Configuring cabal-doctest-1.0.2... Installed base-orphans-0.6 Building cabal-doctest-1.0.2... Installed base-compat-0.9.3 Configuring cmdargs-0.10.17... Building cmdargs-0.10.17... Installed cabal-doctest-1.0.2 Configuring dlist-0.8.0.2... Building dlist-0.8.0.2... Installed dlist-0.8.0.2 Configuring fail-4.9.0.0... Building fail-4.9.0.0... Configuring integer-logarithms-1.0.1... Installed fail-4.9.0.0 Building integer-logarithms-1.0.1... Configuring mtl-2.2.1... Installed integer-logarithms-1.0.1 Building mtl-2.2.1... Configuring prelude-extras-0.4.0.3... Installed mtl-2.2.1 Building prelude-extras-0.4.0.3... Configuring primitive-0.6.2.0... Installed prelude-extras-0.4.0.3 Building primitive-0.6.2.0... Configuring random-1.1... Installed cmdargs-0.10.17 Building random-1.1... Configuring stm-2.4.4.1... Installed random-1.1 Building stm-2.4.4.1... Configuring semigroups-0.18.3... Installed primitive-0.6.2.0 Building semigroups-0.18.3... Configuring text-1.2.2.1... Installed stm-2.4.4.1 Building text-1.2.2.1... Configuring th-lift-0.7.7... Installed semigroups-0.18.3 Building th-lift-0.7.7... Configuring time-locale-compat-0.1.1.3... Installed th-lift-0.7.7 Building time-locale-compat-0.1.1.3... Configuring transformers-compat-0.5.1.4... Installed time-locale-compat-0.1.1.3 Building transformers-compat-0.5.1.4... Configuring void-0.7.2... Installed transformers-compat-0.5.1.4 Building void-0.7.2... Installed void-0.7.2 Configuring StateVar-1.1.0.4... Building StateVar-1.1.0.4... Configuring vector-0.12.0.1... Installed StateVar-1.1.0.4 Building vector-0.12.0.1... Configuring MonadRandom-0.5.1... Installed text-1.2.2.1 Building MonadRandom-0.5.1... Configuring exceptions-0.8.3... Installed MonadRandom-0.5.1 Building exceptions-0.8.3... Configuring mmorph-1.0.9... Installed exceptions-0.8.3 Building mmorph-1.0.9... Configuring tagged-0.8.5... Installed mmorph-1.0.9 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 contravariant-1.4... Building contravariant-1.4... Installed vector-0.12.0.1 Configuring hashable-1.2.6.0... Building hashable-1.2.6.0... Configuring parsec-3.1.11... Installed contravariant-1.4 Building parsec-3.1.11... Configuring distributive-0.5.2... Installed hashable-1.2.6.0 Configuring monad-control-1.0.1.0... Installed parsec-3.1.11 Building monad-control-1.0.1.0... Building distributive-0.5.2... Installed monad-control-1.0.1.0 Configuring scientific-0.3.4.12... Installed distributive-0.5.2 Configuring uuid-types-1.0.3... Building scientific-0.3.4.12... Building uuid-types-1.0.3... Configuring unordered-containers-0.2.8.0... Installed uuid-types-1.0.3 Building unordered-containers-0.2.8.0... Configuring lifted-base-0.2.3.10... Installed scientific-0.3.4.12 Building lifted-base-0.2.3.10... Installed lifted-base-0.2.3.10 Configuring comonad-5.0.1... Building comonad-5.0.1... Configuring attoparsec-0.13.1.0... Installed unordered-containers-0.2.8.0 Building attoparsec-0.13.1.0... Configuring resourcet-1.1.9... Installed comonad-5.0.1 Building resourcet-1.1.9... Installed resourcet-1.1.9 Configuring bifunctors-5.4.2... Building bifunctors-5.4.2... Configuring conduit-1.2.10... Installed attoparsec-0.13.1.0 Building conduit-1.2.10... Installed conduit-1.2.10 Configuring aeson-1.2.0.0... Building aeson-1.2.0.0... Installed bifunctors-5.4.2 Configuring profunctors-5.2... Building profunctors-5.2... Configuring semigroupoids-5.2... Installed profunctors-5.2 Building semigroupoids-5.2... Installed semigroupoids-5.2 Configuring free-4.12.4... Building free-4.12.4... Installed aeson-1.2.0.0 Configuring yaml-0.8.22.1... Building yaml-0.8.22.1... Installed free-4.12.4 Configuring either-4.4.1.1... Building either-4.4.1.1... Installed either-4.4.1.1 Installed yaml-0.8.22.1 Configuring mustache-2.2... Building mustache-2.2... Failed to install mustache-2.2 Build log ( /home/builder/.cabal/logs/mustache-2.2.log ): cabal: Entering directory '/tmp/cabal-tmp-12886/mustache-2.2' Configuring mustache-2.2... Building mustache-2.2... Preprocessing library mustache-2.2... [1 of 7] Compiling Text.Mustache.Internal.Types ( src/Text/Mustache/Internal/Types.hs, dist/build/Text/Mustache/Internal/Types.o ) [2 of 7] Compiling Text.Mustache.Types ( src/Text/Mustache/Types.hs, dist/build/Text/Mustache/Types.o ) [3 of 7] Compiling Text.Mustache.Parser ( src/Text/Mustache/Parser.hs, dist/build/Text/Mustache/Parser.o ) [4 of 7] Compiling Text.Mustache.Internal ( src/Text/Mustache/Internal.hs, dist/build/Text/Mustache/Internal.o ) [5 of 7] Compiling Text.Mustache.Render ( src/Text/Mustache/Render.hs, dist/build/Text/Mustache/Render.o ) src/Text/Mustache/Render.hs:234:10: error: • Overlapping instances for ToMustache (Context Value -> STree -> STree) arising from a use of ‘Text.Mustache.Internal.Types.$dmlistToMustache’ Matching instances: instance ToMustache (Context Value -> STree -> STree) -- Defined at src/Text/Mustache/Render.hs:234:10 instance ToText t => ToMustache (Context Value -> STree -> t) -- Defined at src/Text/Mustache/Render.hs:237:10 • In the expression: Text.Mustache.Internal.Types.$dmlistToMustache @Context Value -> STree -> STree In an equation for ‘listToMustache’: listToMustache = Text.Mustache.Internal.Types.$dmlistToMustache @Context Value -> STree -> STree In the instance declaration for ‘ToMustache (Context Value -> STree -> STree)’ cabal: Leaving directory '/tmp/cabal-tmp-12886/mustache-2.2' cabal: Error: some packages failed to install: mustache-2.2 failed during the building phase. The exception was: ExitFailure 1