Resolving dependencies... Configuring ghc-paths-0.1.0.9... Configuring cmdargs-0.10.14... Building cmdargs-0.10.14... Building ghc-paths-0.1.0.9... Configuring network-2.6.3.1... Installed ghc-paths-0.1.0.9 Building network-2.6.3.1... Configuring syb-0.6... Installed network-2.6.3.1 Building syb-0.6... Installed cmdargs-0.10.14 Installed syb-0.6 Downloading hdevtools-0.1.0.3... Configuring hdevtools-0.1.0.3... Building hdevtools-0.1.0.3... Failed to install hdevtools-0.1.0.3 Build log ( /home/builder/.cabal/logs/hdevtools-0.1.0.3.log ): cabal: Entering directory '/tmp/cabal-tmp-6253/hdevtools-0.1.0.3' Configuring hdevtools-0.1.0.3... Building hdevtools-0.1.0.3... Preprocessing executable 'hdevtools' for hdevtools-0.1.0.3... [ 1 of 10] Compiling Util ( src/Util.hs, dist/build/hdevtools/hdevtools-tmp/Util.o ) [ 2 of 10] Compiling Types ( src/Types.hs, dist/build/hdevtools/hdevtools-tmp/Types.o ) [ 3 of 10] Compiling Paths_hdevtools ( dist/build/autogen/Paths_hdevtools.hs, dist/build/hdevtools/hdevtools-tmp/Paths_hdevtools.o ) [ 4 of 10] Compiling Info ( src/Info.hs, dist/build/hdevtools/hdevtools-tmp/Info.o ) src/Info.hs:128:59: error: Not in scope: data constructor ‘GHC.MatchGroup’ Perhaps you meant one of these: variable ‘GHC.mkMatchGroup’ (imported from GHC), ‘GHC.DocGroup’ (imported from GHC) Module ‘GHC’ does not export ‘MatchGroup’. src/Info.hs:162:5: error: Not in scope: ‘Pretty.showDocWith’ Module ‘Pretty’ does not export ‘showDocWith’. src/Info.hs:189:67: error: Not in scope: type constructor or class ‘GHC.PostTcType’ Perhaps you meant one of these: ‘GHC.PostTcExpr’ (imported from GHC), ‘GHC.PostTcTable’ (imported from GHC), ‘GHC.LHsWcType’ (imported from GHC) Module ‘GHC’ does not export ‘PostTcType’. src/Info.hs:227:12: error: Not in scope: type constructor or class ‘PprTyThing.PrintExplicitForalls’ Module ‘PprTyThing’ does not export ‘PrintExplicitForalls’. cabal: Leaving directory '/tmp/cabal-tmp-6253/hdevtools-0.1.0.3' cabal: Error: some packages failed to install: hdevtools-0.1.0.3 failed during the building phase. The exception was: ExitFailure 1