Resolving dependencies... Configuring base-compat-0.9.3... Configuring cabal-doctest-1.0.2... Building base-compat-0.9.3... Building cabal-doctest-1.0.2... Configuring dlist-0.8.0.3... Installed cabal-doctest-1.0.2 Building dlist-0.8.0.3... Installed base-compat-0.9.3 Configuring integer-logarithms-1.0.2... Building integer-logarithms-1.0.2... Configuring mtl-2.2.1... Installed dlist-0.8.0.3 Configuring natural-transformation-0.4... Installed integer-logarithms-1.0.2 Building mtl-2.2.1... Building natural-transformation-0.4... Configuring random-1.1... Installed natural-transformation-0.4 Building random-1.1... Configuring primitive-0.6.2.0... Installed mtl-2.2.1 Building primitive-0.6.2.0... Configuring th-abstraction-0.2.6.0... Installed random-1.1 Building th-abstraction-0.2.6.0... Configuring text-1.2.2.2... Installed th-abstraction-0.2.6.0 Building text-1.2.2.2... Configuring time-locale-compat-0.1.1.3... Installed primitive-0.6.2.0 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 th-lift-0.7.7... Installed transformers-compat-0.5.1.4 Building th-lift-0.7.7... Configuring utf8-string-1.0.1.1... Installed th-lift-0.7.7 Building utf8-string-1.0.1.1... Installed utf8-string-1.0.1.1 Configuring mmorph-1.1.0... Building mmorph-1.1.0... Configuring vector-0.12.0.1... Installed mmorph-1.1.0 Configuring tagged-0.8.5... Installed text-1.2.2.2 Building vector-0.12.0.1... Building tagged-0.8.5... Installed tagged-0.8.5 Configuring blaze-builder-0.4.0.2... Building blaze-builder-0.4.0.2... Configuring hashable-1.2.6.1... Installed blaze-builder-0.4.0.2 Building hashable-1.2.6.1... Configuring string-conversions-0.4.0.1... Installed hashable-1.2.6.1 Building string-conversions-0.4.0.1... Configuring parsec-3.1.11... Installed string-conversions-0.4.0.1 Building parsec-3.1.11... Installed parsec-3.1.11 Configuring unordered-containers-0.2.8.0... Building unordered-containers-0.2.8.0... Configuring uuid-types-1.0.3... Installed vector-0.12.0.1 Building uuid-types-1.0.3... Configuring scientific-0.3.5.2... Installed uuid-types-1.0.3 Configuring case-insensitive-1.2.0.10... Installed unordered-containers-0.2.8.0 Building scientific-0.3.5.2... Building case-insensitive-1.2.0.10... Configuring network-uri-2.6.1.0... Installed case-insensitive-1.2.0.10 Building network-uri-2.6.1.0... Installed scientific-0.3.5.2 Configuring th-lift-instances-0.1.11... Building th-lift-instances-0.1.11... Installed network-uri-2.6.1.0 Configuring lucid-2.9.8.1... Building lucid-2.9.8.1... Configuring vault-0.3.0.7... Installed th-lift-instances-0.1.11 Building vault-0.3.0.7... Configuring http-media-0.7.1.1... Installed vault-0.3.0.7 Building http-media-0.7.1.1... Configuring http-types-0.9.1... Installed lucid-2.9.8.1 Building http-types-0.9.1... Configuring attoparsec-0.13.2.0... Installed http-media-0.7.1.1 Building attoparsec-0.13.2.0... Installed http-types-0.9.1 Installed attoparsec-0.13.2.0 Configuring attoparsec-iso8601-1.0.0.0... Configuring uri-bytestring-0.2.3.3... Building attoparsec-iso8601-1.0.0.0... Building uri-bytestring-0.2.3.3... Configuring aeson-1.2.2.0... Installed attoparsec-iso8601-1.0.0.0 Building aeson-1.2.2.0... Installed uri-bytestring-0.2.3.3 Configuring http-api-data-0.3.7.1... Building http-api-data-0.3.7.1... Warning: /tmp/pkgConf-http-api-data-0.3.713732263401631518149.1: Unrecognized field dynamic-library-dirs on line 22 Installed http-api-data-0.3.7.1 Installed aeson-1.2.2.0 Configuring servant-0.11... Building servant-0.11... Warning: /tmp/pkgConf-servant-012311923791622597488.11: Unrecognized field dynamic-library-dirs on line 33 Installed servant-0.11 Configuring servant-lucid-0.7.1... Building servant-lucid-0.7.1... Installed servant-lucid-0.7.1 Configuring miso-0.7.6.0... Building miso-0.7.6.0... Failed to install miso-0.7.6.0 Build log ( /home/builder/.cabal/logs/miso-0.7.6.0.log ): cabal: Entering directory '/tmp/cabal-tmp-11157/miso-0.7.6.0' Configuring miso-0.7.6.0... Building miso-0.7.6.0... Preprocessing library miso-0.7.6.0... [ 1 of 17] Compiling Miso.String ( ghc-src/Miso/String.hs, dist/build/Miso/String.o ) [ 2 of 17] Compiling Miso.Lens ( src/Miso/Lens.hs, dist/build/Miso/Lens.o ) [ 3 of 17] Compiling Miso.Event.Types ( src/Miso/Event/Types.hs, dist/build/Miso/Event/Types.o ) src/Miso/Event/Types.hs:39:19: error: Ambiguous occurrence ‘Options’ It could refer to either ‘Data.Aeson.Options’, imported from ‘Data.Aeson’ at src/Miso/Event/Types.hs:18:1-27 (and originally defined in ‘aeson-1.2.2.0:Data.Aeson.Types.Internal’) or ‘Miso.Event.Types.Options’, defined at src/Miso/Event/Types.hs:31:1 cabal: Leaving directory '/tmp/cabal-tmp-11157/miso-0.7.6.0' cabal: Error: some packages failed to install: miso-0.7.6.0 failed during the building phase. The exception was: ExitFailure 1