Resolving dependencies... Configuring base64-bytestring-1.0.0.1... Configuring base64-string-0.2... Building base64-string-0.2... Building base64-bytestring-1.0.0.1... Installed base64-string-0.2 Configuring call-stack-0.1.0... Building call-stack-0.1.0... Configuring mtl-2.2.1... Installed base64-bytestring-1.0.0.1 Building mtl-2.2.1... Configuring network-2.6.3.1... Installed call-stack-0.1.0 Building network-2.6.3.1... Configuring old-locale-1.0.0.7... Installed mtl-2.2.1 Building old-locale-1.0.0.7... Configuring primitive-0.6.2.0... Installed old-locale-1.0.0.7 Building primitive-0.6.2.0... Configuring random-1.1... Installed network-2.6.3.1 Building random-1.1... Configuring text-1.2.2.1... Installed primitive-0.6.2.0 Building text-1.2.2.1... Installed random-1.1 Configuring HUnit-1.5.0.0... Building HUnit-1.5.0.0... Configuring old-time-1.1.0.3... Installed HUnit-1.5.0.0 Building old-time-1.1.0.3... Configuring tf-random-0.5... Installed old-time-1.1.0.3 Building tf-random-0.5... Configuring HsOpenSSL-0.11.3.2... Installed tf-random-0.5 Configuring QuickCheck-2.9.2... Installed text-1.2.2.1 Building QuickCheck-2.9.2... Building HsOpenSSL-0.11.3.2... Installed HsOpenSSL-0.11.3.2 Configuring blaze-builder-0.4.0.2... Building blaze-builder-0.4.0.2... Installed blaze-builder-0.4.0.2 Configuring mime-mail-0.4.12... Building mime-mail-0.4.12... Installed QuickCheck-2.9.2 Configuring Crypto-4.2.5.1... Building Crypto-4.2.5.1... Installed mime-mail-0.4.12 Installed Crypto-4.2.5.1 Downloading HaskellNet-0.3.1... Configuring HaskellNet-0.3.1... Building HaskellNet-0.3.1... Failed to install HaskellNet-0.3.1 Build log ( /home/builder/.cabal/logs/HaskellNet-0.3.1.log ): cabal: Entering directory '/tmp/cabal-tmp-30793/HaskellNet-0.3.1' Configuring HaskellNet-0.3.1... Building HaskellNet-0.3.1... Preprocessing library HaskellNet-0.3.1... [ 1 of 13] Compiling Text.Packrat.Pos ( src/Text/Packrat/Pos.hs, dist/build/Text/Packrat/Pos.o ) [ 2 of 13] Compiling Text.Packrat.Parse ( src/Text/Packrat/Parse.hs, dist/build/Text/Packrat/Parse.o ) src/Text/Packrat/Parse.hs:40:10: error: • Could not deduce (Applicative (Parser d)) arising from the superclasses of an instance declaration from the context: Derivs d bound by the instance declaration at src/Text/Packrat/Parse.hs:40:10-37 • In the instance declaration for ‘Monad (Parser d)’ src/Text/Packrat/Parse.hs:54:10: error: • Could not deduce (GHC.Base.Alternative (Parser d)) arising from the superclasses of an instance declaration from the context: Derivs d bound by the instance declaration at src/Text/Packrat/Parse.hs:54:10-41 • In the instance declaration for ‘MonadPlus (Parser d)’ cabal: Leaving directory '/tmp/cabal-tmp-30793/HaskellNet-0.3.1' cabal: Error: some packages failed to install: HaskellNet-0.3.1 failed during the building phase. The exception was: ExitFailure 1 imapget-0.0.3 depends on HaskellNet-0.3.1 which failed to install.