Resolving dependencies... Configuring base-orphans-0.6... Configuring cabal-doctest-1.0.4... Building cabal-doctest-1.0.4... Building base-orphans-0.6... Installed base-orphans-0.6 Configuring colour-2.3.4... Building colour-2.3.4... Installed cabal-doctest-1.0.4 Configuring composition-prelude-0.1.1.4... Building composition-prelude-0.1.1.4... Installed composition-prelude-0.1.1.4 Configuring fail-4.9.0.0... Building fail-4.9.0.0... Installed fail-4.9.0.0 Configuring file-embed-0.0.10.1... Building file-embed-0.0.10.1... Installed colour-2.3.4 Configuring old-locale-1.0.0.7... Building old-locale-1.0.0.7... Installed file-embed-0.0.10.1 Configuring parser-combinators-0.4.0... Building parser-combinators-0.4.0... Installed old-locale-1.0.0.7 Configuring prelude-extras-0.4.0.3... Building prelude-extras-0.4.0.3... Installed parser-combinators-0.4.0 Configuring reflection-2.1.2... Building reflection-2.1.2... Installed prelude-extras-0.4.0.3 Configuring semigroups-0.18.3... Building semigroups-0.18.3... Installed semigroups-0.18.3 Configuring th-abstraction-0.2.6.0... Building th-abstraction-0.2.6.0... Installed reflection-2.1.2 Configuring transformers-compat-0.5.1.4... Building transformers-compat-0.5.1.4... Installed transformers-compat-0.5.1.4 Configuring void-0.7.2... Building void-0.7.2... Installed th-abstraction-0.2.6.0 Configuring ansi-terminal-0.7.1.1... Installed void-0.7.2 Configuring megaparsec-6.4.0... Building ansi-terminal-0.7.1.1... Building megaparsec-6.4.0... Installed ansi-terminal-0.7.1.1 Configuring tagged-0.8.5... Building tagged-0.8.5... Installed tagged-0.8.5 Configuring exceptions-0.8.3... Building exceptions-0.8.3... Installed megaparsec-6.4.0 Configuring contravariant-1.4... Installed exceptions-0.8.3 Configuring ansi-wl-pprint-0.6.8.1... Building contravariant-1.4... Building ansi-wl-pprint-0.6.8.1... Installed ansi-wl-pprint-0.6.8.1 Configuring distributive-0.5.3... Installed contravariant-1.4 Configuring htoml-megaparsec-1.0.1.11... Building htoml-megaparsec-1.0.1.11... Building distributive-0.5.3... Failed to install htoml-megaparsec-1.0.1.11 Build log ( /home/builder/.cabal/logs/ghc-8.2.2/htoml-megaparsec-1.0.1.11-DLrYsh5au5E1wuDZOXgH83.log ): cabal: Entering directory '/tmp/cabal-tmp-10875/htoml-megaparsec-1.0.1.11' Configuring htoml-megaparsec-1.0.1.11... Preprocessing library for htoml-megaparsec-1.0.1.11.. Building library for htoml-megaparsec-1.0.1.11.. [1 of 4] Compiling Text.Megaparsec.CharRW ( src/Text/Megaparsec/CharRW.hs, dist/build/Text/Megaparsec/CharRW.o ) [2 of 4] Compiling Text.Toml.Types ( src/Text/Toml/Types.hs, dist/build/Text/Toml/Types.o ) [3 of 4] Compiling Text.Toml.Parser ( src/Text/Toml/Parser.hs, dist/build/Text/Toml/Parser.o ) src/Text/Toml/Parser.hs:112:26: error: Ambiguous occurrence ‘some’ It could refer to either ‘Control.Applicative.some’, imported from ‘Control.Applicative’ at src/Text/Toml/Parser.hs:13:1-70 (and originally defined in ‘GHC.Base’) or ‘Text.Megaparsec.some’, imported from ‘Text.Megaparsec’ at src/Text/Toml/Parser.hs:33:1-58 (and originally defined in ‘parser-combinators-0.4.0:Control.Monad.Combinators’) | 112 | headerValue = ((pack <$> some keyChar) <|> anyStr') `sepBy1` char '.' | ^^^^ src/Text/Toml/Parser.hs:119:20: error: Ambiguous occurrence ‘some’ It could refer to either ‘Control.Applicative.some’, imported from ‘Control.Applicative’ at src/Text/Toml/Parser.hs:13:1-70 (and originally defined in ‘GHC.Base’) or ‘Text.Megaparsec.some’, imported from ‘Text.Megaparsec’ at src/Text/Toml/Parser.hs:33:1-58 (and originally defined in ‘parser-combinators-0.4.0:Control.Monad.Combinators’) | 119 | k <- (pack <$> some keyChar) <|> anyStr' | ^^^^ src/Text/Toml/Parser.hs:286:21: error: Ambiguous occurrence ‘some’ It could refer to either ‘Control.Applicative.some’, imported from ‘Control.Applicative’ at src/Text/Toml/Parser.hs:13:1-70 (and originally defined in ‘GHC.Base’) or ‘Text.Megaparsec.some’, imported from ‘Text.Megaparsec’ at src/Text/Toml/Parser.hs:33:1-58 (and originally defined in ‘parser-combinators-0.4.0:Control.Monad.Combinators’) | 286 | blank = void (some (satisfy isSpc)) <|> comment <|> void eol | ^^^^ cabal: Leaving directory '/tmp/cabal-tmp-10875/htoml-megaparsec-1.0.1.11' Configuring optparse-applicative-0.14.0.0... Building optparse-applicative-0.14.0.0... Installed distributive-0.5.3 Installed optparse-applicative-0.14.0.0 cabal: Error: some packages failed to install: ats-format-0.1.0.15-HpMF5VRaG7CLx5q29jxujf depends on ats-format-0.1.0.15 which failed to install. htoml-megaparsec-1.0.1.11-DLrYsh5au5E1wuDZOXgH83 failed during the building phase. The exception was: ExitFailure 1