Resolving dependencies... Configuring base16-bytestring-0.1.1.6... Configuring base-compat-0.9.3... Building base16-bytestring-0.1.1.6... Building base-compat-0.9.3... Installed base16-bytestring-0.1.1.6 Configuring base64-bytestring-1.0.0.1... Building base64-bytestring-1.0.0.1... Installed base-compat-0.9.3 Configuring colour-2.3.4... Building colour-2.3.4... Installed base64-bytestring-1.0.0.1 Configuring dlist-0.8.0.4... Building dlist-0.8.0.4... Installed dlist-0.8.0.4 Configuring double-conversion-2.0.2.0... Building double-conversion-2.0.2.0... Installed colour-2.3.4 Configuring microlens-0.4.8.3... Building microlens-0.4.8.3... Installed microlens-0.4.8.3 Configuring monad-loops-0.4.3... Installed double-conversion-2.0.2.0 Configuring old-locale-1.0.0.7... Building monad-loops-0.4.3... Building old-locale-1.0.0.7... Installed old-locale-1.0.0.7 Configuring semigroups-0.18.3... Installed monad-loops-0.4.3 Configuring th-abstraction-0.2.6.0... Building semigroups-0.18.3... Building th-abstraction-0.2.6.0... Installed semigroups-0.18.3 Configuring time-locale-compat-0.1.1.3... Building time-locale-compat-0.1.1.3... Installed time-locale-compat-0.1.1.3 Configuring transformers-compat-0.5.1.4... Building transformers-compat-0.5.1.4... Installed th-abstraction-0.2.6.0 Configuring type-operators-0.1.0.4... Building type-operators-0.1.0.4... Installed transformers-compat-0.5.1.4 Configuring unliftio-core-0.1.1.0... Installed type-operators-0.1.0.4 Configuring utf8-string-1.0.1.1... Building unliftio-core-0.1.1.0... Building utf8-string-1.0.1.1... Installed unliftio-core-0.1.1.0 Configuring uuid-types-1.0.3... Building uuid-types-1.0.3... Installed utf8-string-1.0.1.1 Configuring markdown-unlit-0.5.0... Building markdown-unlit-0.5.0... Installed uuid-types-1.0.3 Configuring ansi-terminal-0.7.1.1... Building ansi-terminal-0.7.1.1... Installed markdown-unlit-0.5.0 Configuring microlens-th-0.4.1.3... Building microlens-th-0.4.1.3... Installed ansi-terminal-0.7.1.1 Configuring microlens-ghc-0.4.8.0... Building microlens-ghc-0.4.8.0... Installed microlens-ghc-0.4.8.0 Configuring text-format-0.3.1.1... Installed microlens-th-0.4.1.3 Configuring transformers-base-0.4.4... Building text-format-0.3.1.1... Building transformers-base-0.4.4... Installed transformers-base-0.4.4 Configuring tagged-0.8.5... Building tagged-0.8.5... Installed text-format-0.3.1.1 Configuring mmorph-1.1.0... Building mmorph-1.1.0... Installed tagged-0.8.5 Configuring microlens-mtl-0.1.11.1... Building microlens-mtl-0.1.11.1... Installed mmorph-1.1.0 Configuring exceptions-0.8.3... Building exceptions-0.8.3... Installed microlens-mtl-0.1.11.1 Configuring monad-control-1.0.2.2... Building monad-control-1.0.2.2... Installed exceptions-0.8.3 Configuring fmt-0.5.0.0... Building fmt-0.5.0.0... Installed monad-control-1.0.2.2 Configuring aeson-1.2.3.0... Building aeson-1.2.3.0... Installed fmt-0.5.0.0 Configuring microlens-platform-0.3.9.0... Building microlens-platform-0.3.9.0... Installed microlens-platform-0.3.9.0 Configuring safe-exceptions-0.1.7.0... Building safe-exceptions-0.1.7.0... Installed safe-exceptions-0.1.7.0 Configuring lifted-base-0.2.3.11... Building lifted-base-0.2.3.11... Installed lifted-base-0.2.3.11 Configuring universum-1.0.4... Building universum-1.0.4... Installed universum-1.0.4 Configuring resourcet-1.1.11... Building resourcet-1.1.11... Installed aeson-1.2.3.0 Installed resourcet-1.1.11 Configuring conduit-1.2.13... Building conduit-1.2.13... Installed conduit-1.2.13 Configuring yaml-0.8.28... Building yaml-0.8.28... Installed yaml-0.8.28 Configuring log-warper-1.8.6... Building log-warper-1.8.6... Failed to install log-warper-1.8.6 Build log ( /home/builder/.cabal/logs/ghc-8.2.2/log-warper-1.8.6-K9LuFjpNZ234MjEYlXvAU7.log ): cabal: Entering directory '/tmp/cabal-tmp-30173/log-warper-1.8.6' Configuring log-warper-1.8.6... Preprocessing library for log-warper-1.8.6.. Building library for log-warper-1.8.6.. [ 1 of 19] Compiling System.Wlog.FileUtils ( src/System/Wlog/FileUtils.hs, dist/build/System/Wlog/FileUtils.o ) [ 2 of 19] Compiling System.Wlog.LoggerName ( src/System/Wlog/LoggerName.hs, dist/build/System/Wlog/LoggerName.o ) [ 3 of 19] Compiling System.Wlog.HasLoggerName ( src/System/Wlog/HasLoggerName.hs, dist/build/System/Wlog/HasLoggerName.o ) [ 4 of 19] Compiling System.Wlog.LoggerNameBox ( src/System/Wlog/LoggerNameBox.hs, dist/build/System/Wlog/LoggerNameBox.o ) [ 5 of 19] Compiling System.Wlog.MemoryQueue ( src/System/Wlog/MemoryQueue.hs, dist/build/System/Wlog/MemoryQueue.o ) [ 6 of 19] Compiling System.Wlog.Severity ( src/System/Wlog/Severity.hs, dist/build/System/Wlog/Severity.o ) [ 7 of 19] Compiling System.Wlog.Color ( src/System/Wlog/Color.hs, dist/build/System/Wlog/Color.o ) [ 8 of 19] Compiling System.Wlog.Formatter ( src/System/Wlog/Formatter.hs, dist/build/System/Wlog/Formatter.o ) [ 9 of 19] Compiling System.Wlog.LogHandler ( src/System/Wlog/LogHandler.hs, dist/build/System/Wlog/LogHandler.o ) [10 of 19] Compiling System.Wlog.LogHandler.Simple ( src/System/Wlog/LogHandler/Simple.hs, dist/build/System/Wlog/LogHandler/Simple.o ) [11 of 19] Compiling System.Wlog.LoggerConfig ( src/System/Wlog/LoggerConfig.hs, dist/build/System/Wlog/LoggerConfig.o ) [12 of 19] Compiling System.Wlog.LogHandler.Roller ( src/System/Wlog/LogHandler/Roller.hs, dist/build/System/Wlog/LogHandler/Roller.o ) [13 of 19] Compiling System.Wlog.IOLogger ( src/System/Wlog/IOLogger.hs, dist/build/System/Wlog/IOLogger.o ) [14 of 19] Compiling System.Wlog.CanLog ( src/System/Wlog/CanLog.hs, dist/build/System/Wlog/CanLog.o ) [15 of 19] Compiling System.Wlog.PureLogging ( src/System/Wlog/PureLogging.hs, dist/build/System/Wlog/PureLogging.o ) [16 of 19] Compiling System.Wlog.Exception ( src/System/Wlog/Exception.hs, dist/build/System/Wlog/Exception.o ) [17 of 19] Compiling System.Wlog.Terminal ( src/System/Wlog/Terminal.hs, dist/build/System/Wlog/Terminal.o ) [18 of 19] Compiling System.Wlog.Launcher ( src/System/Wlog/Launcher.hs, dist/build/System/Wlog/Launcher.o ) [19 of 19] Compiling System.Wlog ( src/System/Wlog.hs, dist/build/System/Wlog.o ) Preprocessing executable 'how-to' for log-warper-1.8.6.. Building executable 'how-to' for log-warper-1.8.6.. ghc: could not execute: markdown-unlit cabal: Leaving directory '/tmp/cabal-tmp-30173/log-warper-1.8.6' cabal: Error: some packages failed to install: log-warper-1.8.6-K9LuFjpNZ234MjEYlXvAU7 failed during the building phase. The exception was: ExitFailure 1