Resolving dependencies... Configuring lojbanParser-0.1.9.2... Building lojbanParser-0.1.9.2... Failed to install lojbanParser-0.1.9.2 Build log ( /home/builder/.cabal/logs/lojbanParser-0.1.9.2.log ): cabal: Entering directory '/tmp/cabal-tmp-19298/lojbanParser-0.1.9.2' Configuring lojbanParser-0.1.9.2... Building lojbanParser-0.1.9.2... Preprocessing library lojbanParser-0.1.9.2... [1 of 6] Compiling Pos ( src/Pos.hs, dist/build/Pos.o ) src/Pos.hs:8:1: warning: [-Wtabs] Tab character found here, and in 27 further locations. Please use spaces instead. [2 of 6] Compiling Parse ( src/Parse.hs, dist/build/Parse.o ) src/Parse.hs:49:10: 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/Parse.hs:49:10-37 • In the instance declaration for ‘Monad (Parser d)’ cabal: Leaving directory '/tmp/cabal-tmp-19298/lojbanParser-0.1.9.2' cabal: Error: some packages failed to install: lojbanParser-0.1.9.2 failed during the building phase. The exception was: ExitFailure 1 lojysamban-0.0.4 depends on lojbanParser-0.1.9.2 which failed to install.