Resolving dependencies... Configuring base-prelude-1.3... Configuring hashable-1.2.7.0... Building base-prelude-1.3... Building hashable-1.2.7.0... Installed hashable-1.2.7.0 Configuring unordered-containers-0.2.9.0... Building unordered-containers-0.2.9.0... Installed base-prelude-1.3 Configuring binary-parser-0.5.5... Building binary-parser-0.5.5... Installed binary-parser-0.5.5 Installed unordered-containers-0.2.9.0 Configuring url-decoders-0.2... Building url-decoders-0.2... Failed to install url-decoders-0.2 Build log ( /home/builder/.cabal/logs/ghc-8.4.3/url-decoders-0.2-1VbmswVyhNqEsMARqMMzE9.log ): cabal: Entering directory '/tmp/cabal-tmp-3233/url-decoders-0.2' Configuring url-decoders-0.2... Preprocessing library for url-decoders-0.2.. Building library for url-decoders-0.2.. [1 of 4] Compiling URLDecoders.ByteString.Builder ( library/URLDecoders/ByteString/Builder.hs, dist/build/URLDecoders/ByteString/Builder.o ) library/URLDecoders/ByteString/Builder.hs:12:10: error: • No instance for (Semigroup Builder) arising from the superclasses of an instance declaration • In the instance declaration for ‘Monoid Builder’ | 12 | instance Monoid Builder where | ^^^^^^^^^^^^^^ cabal: Leaving directory '/tmp/cabal-tmp-3233/url-decoders-0.2' cabal: Error: some packages failed to install: url-decoders-0.2-1VbmswVyhNqEsMARqMMzE9 failed during the building phase. The exception was: ExitFailure 1