Resolving dependencies... Configuring ansi-terminal-0.6.2.3... Configuring dlist-0.8.0.2... Building ansi-terminal-0.6.2.3... Building dlist-0.8.0.2... Installed dlist-0.8.0.2 Configuring mtl-2.2.1... Building mtl-2.2.1... Configuring old-locale-1.0.0.7... Installed ansi-terminal-0.6.2.3 Building old-locale-1.0.0.7... Configuring split-0.2.3.1... Installed old-locale-1.0.0.7 Building split-0.2.3.1... Configuring text-1.2.2.1... Installed mtl-2.2.1 Configuring transformers-compat-0.5.1.4... Installed split-0.2.3.1 Building text-1.2.2.1... Building transformers-compat-0.5.1.4... Configuring unix-compat-0.4.2.0... Installed transformers-compat-0.5.1.4 Building unix-compat-0.4.2.0... Installed unix-compat-0.4.2.0 Configuring ansi-wl-pprint-0.6.7.3... Building ansi-wl-pprint-0.6.7.3... Installed ansi-wl-pprint-0.6.7.3 Configuring old-time-1.1.0.3... Building old-time-1.1.0.3... Configuring Glob-0.7.13... Installed old-time-1.1.0.3 Building Glob-0.7.13... Installed text-1.2.2.1 Configuring filemanip-0.3.6.3... Building filemanip-0.3.6.3... Configuring optparse-applicative-0.13.0.0... Installed Glob-0.7.13 Building optparse-applicative-0.13.0.0... Installed filemanip-0.3.6.3 Configuring polyparse-1.12... Building polyparse-1.12... Installed optparse-applicative-0.13.0.0 Installed polyparse-1.12 Configuring cpphs-1.19.3... Building cpphs-1.19.3... Installed cpphs-1.19.3 Configuring haskell-src-exts-1.19.0... Building haskell-src-exts-1.19.0... Installed haskell-src-exts-1.19.0 Configuring hothasktags-0.3.5... Building hothasktags-0.3.5... Failed to install hothasktags-0.3.5 Build log ( /home/builder/.cabal/logs/hothasktags-0.3.5.log ): cabal: Entering directory '/tmp/cabal-tmp-26536/hothasktags-0.3.5' Configuring hothasktags-0.3.5... Building hothasktags-0.3.5... Preprocessing executable 'hothasktags' for hothasktags-0.3.5... [1 of 1] Compiling Main ( Main.hs, dist/build/hothasktags/hothasktags-tmp/Main.o ) Main.hs:7:1: error: Failed to load interface for ‘Language.Haskell.Exts.Annotated’ Perhaps you meant Language.Haskell.Exts.Syntax (from haskell-src-exts-1.19.0) Language.Haskell.Exts.Pretty (from haskell-src-exts-1.19.0) Language.Haskell.Exts.Build (from haskell-src-exts-1.19.0) Use -v to see a list of the files searched for. cabal: Leaving directory '/tmp/cabal-tmp-26536/hothasktags-0.3.5' cabal: Error: some packages failed to install: hothasktags-0.3.5 failed during the building phase. The exception was: ExitFailure 1