Resolving dependencies... Configuring mtl-2.2.1... Configuring old-locale-1.0.0.7... Building mtl-2.2.1... Building old-locale-1.0.0.7... Installed old-locale-1.0.0.7 Configuring cmdargs-0.10.14... Building cmdargs-0.10.14... Configuring split-0.2.3.1... Installed mtl-2.2.1 Building split-0.2.3.1... Installed split-0.2.3.1 Configuring text-1.2.2.1... Building text-1.2.2.1... Configuring old-time-1.1.0.3... Installed cmdargs-0.10.14 Building old-time-1.1.0.3... Configuring her-lexer-0.1.1... Installed text-1.2.2.1 Building her-lexer-0.1.1... Installed old-time-1.1.0.3 Configuring polyparse-1.12... Installed her-lexer-0.1.1 Building polyparse-1.12... Installed polyparse-1.12 Configuring cpphs-1.20.2... Building cpphs-1.20.2... Installed cpphs-1.20.2 Downloading haskarrow-0.0... Configuring haskarrow-0.0... Building haskarrow-0.0... Failed to install haskarrow-0.0 Build log ( /home/builder/.cabal/logs/haskarrow-0.0.log ): cabal: Entering directory '/tmp/cabal-tmp-18267/haskarrow-0.0' Configuring haskarrow-0.0... Building haskarrow-0.0... Preprocessing executable 'haskarrowPrecompiler' for haskarrow-0.0... [1 of 1] Compiling Main ( haskarrowPrecompiler.lhs, dist/build/haskarrowPrecompiler/haskarrowPrecompiler-tmp/Main.o ) haskarrowPrecompiler.lhs:6:2: error: Failed to load interface for ‘HaskarrowPrecompileToFile’ Use -v to see a list of the files searched for. cabal: Leaving directory '/tmp/cabal-tmp-18267/haskarrow-0.0' cabal: Error: some packages failed to install: haskarrow-0.0 failed during the building phase. The exception was: ExitFailure 1