Resolving dependencies... Configuring dlist-0.8.0.2... Configuring mtl-2.2.1... Building dlist-0.8.0.2... Building mtl-2.2.1... Configuring parallel-3.2.1.0... Installed dlist-0.8.0.2 Building parallel-3.2.1.0... Installed mtl-2.2.1 Installed parallel-3.2.1.0 Configuring air-2011.7.25... Building air-2011.7.25... Failed to install air-2011.7.25 Build log ( /home/builder/.cabal/logs/air-2011.7.25.log ): cabal: Entering directory '/tmp/cabal-tmp-3343/air-2011.7.25' Warning: air.cabal: Unknown fields: build-depends (line 9) Fields allowed in this section: name, version, cabal-version, build-type, license, license-file, license-files, copyright, maintainer, stability, homepage, package-url, bug-reports, synopsis, description, category, author, tested-with, data-files, data-dir, extra-source-files, extra-tmp-files, extra-doc-files Configuring air-2011.7.25... Building air-2011.7.25... Preprocessing library air-2011.7.25... [ 1 of 14] Compiling Air.TH.Here ( src/Air/TH/Here.hs, dist/build/Air/TH/Here.o ) src/Air/TH/Here.hs:12:3: warning: [-Wmissing-fields] • Fields of ‘QuasiQuoter’ not initialised: quoteType, quoteDec • In the expression: QuasiQuoter {quoteExp = litE . stringL, quotePat = litP . stringL} In an equation for ‘here’: here = QuasiQuoter {quoteExp = litE . stringL, quotePat = litP . stringL} [ 2 of 14] Compiling Air.TH.Air ( src/Air/TH/Air.hs, dist/build/Air/TH/Air.o ) [ 3 of 14] Compiling Air.Light ( src/Air/Light.hs, dist/build/Air/Light.o ) src/Air/Light.hs:292:37: error: • Could not deduce (Show i) arising from a use of ‘show’ from the context: (Show a, Integral i) bound by the type signature for: at :: (Show a, Integral i) => i -> [a] -> a at src/Air/Light.hs:289:1-43 Possible fix: add (Show i) to the context of the type signature for: at :: (Show a, Integral i) => i -> [a] -> a • In the first argument of ‘(++)’, namely ‘show i’ In the second argument of ‘(++)’, namely ‘show i ++ " failed"’ In the second argument of ‘(++)’, namely ‘" at " ++ show i ++ " failed"’ cabal: Leaving directory '/tmp/cabal-tmp-3343/air-2011.7.25' cabal: Error: some packages failed to install: air-2011.7.25 failed during the building phase. The exception was: ExitFailure 1