Resolving dependencies... Configuring base-orphans-0.5.4... Configuring semigroups-0.18.2... Building base-orphans-0.5.4... Building semigroups-0.18.2... Installed base-orphans-0.5.4 Configuring stm-2.4.4.1... Building stm-2.4.4.1... Configuring transformers-compat-0.5.1.4... Installed semigroups-0.18.2 Building transformers-compat-0.5.1.4... Configuring text-1.2.2.1... Installed transformers-compat-0.5.1.4 Building text-1.2.2.1... Configuring tagged-0.8.5... Installed stm-2.4.4.1 Building tagged-0.8.5... Configuring StateVar-1.1.0.4... Installed tagged-0.8.5 Building StateVar-1.1.0.4... Installed StateVar-1.1.0.4 Configuring distributive-0.5.0.2... Building distributive-0.5.0.2... Installed distributive-0.5.0.2 Installed text-1.2.2.1 Configuring hashable-1.2.4.0... Building hashable-1.2.4.0... Installed hashable-1.2.4.0 Configuring void-0.7.1... Building void-0.7.1... Installed void-0.7.1 Configuring contravariant-1.4... Building contravariant-1.4... Installed contravariant-1.4 Configuring comonad-5... Building comonad-5... Installed comonad-5 Configuring bifunctors-5.4.1... Building bifunctors-5.4.1... Installed bifunctors-5.4.1 Configuring profunctors-5.2... Building profunctors-5.2... Installed profunctors-5.2 Configuring elision-0.1.0.0... Building elision-0.1.0.0... Failed to install elision-0.1.0.0 Build log ( /home/builder/.cabal/logs/elision-0.1.0.0.log ): cabal: Entering directory '/tmp/cabal-tmp-30822/elision-0.1.0.0' Configuring elision-0.1.0.0... Building elision-0.1.0.0... Preprocessing library elision-0.1.0.0... [1 of 1] Compiling Control.Arrow.Elision ( src/Control/Arrow/Elision.hs, dist/build/Control/Arrow/Elision.o ) Preprocessing executable 'example' for elision-0.1.0.0... [1 of 1] Compiling Main ( example/Main.hs, dist/build/example/example-tmp/Main.o ) example/Main.hs:4:1: error: Failed to load interface for ‘Data.Elision’ Perhaps you meant Data.Version (from base-4.9.0.0) Use -v to see a list of the files searched for. cabal: Leaving directory '/tmp/cabal-tmp-30822/elision-0.1.0.0' cabal: Error: some packages failed to install: elision-0.1.0.0 failed during the building phase. The exception was: ExitFailure 1