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Downloading log-warper-1.7.4...
Configuring log-warper-1.7.4...
Building log-warper-1.7.4...
Failed to install log-warper-1.7.4
Build log ( /home/builder/.cabal/logs/log-warper-1.7.4.log ):
cabal: Entering directory '/tmp/cabal-tmp-21902/log-warper-1.7.4'
Configuring log-warper-1.7.4...
Building log-warper-1.7.4...
Preprocessing library log-warper-1.7.4...
[ 1 of 20] Compiling System.Wlog.Severity ( src/System/Wlog/Severity.hs, dist/build/System/Wlog/Severity.o )
[ 2 of 20] Compiling System.Wlog.MemoryQueue ( src/System/Wlog/MemoryQueue.hs, dist/build/System/Wlog/MemoryQueue.o )
[ 3 of 20] Compiling System.Wlog.LoggerName ( src/System/Wlog/LoggerName.hs, dist/build/System/Wlog/LoggerName.o )
[ 4 of 20] Compiling System.Wlog.HasLoggerName ( src/System/Wlog/HasLoggerName.hs, dist/build/System/Wlog/HasLoggerName.o )
[ 5 of 20] Compiling System.Wlog.LoggerNameBox ( src/System/Wlog/LoggerNameBox.hs, dist/build/System/Wlog/LoggerNameBox.o )
[ 6 of 20] Compiling System.Wlog.FileUtils ( src/System/Wlog/FileUtils.hs, dist/build/System/Wlog/FileUtils.o )
[ 7 of 20] Compiling System.Wlog.Color ( src/System/Wlog/Color.hs, dist/build/System/Wlog/Color.o )
[ 8 of 20] Compiling System.Wlog.Formatter ( src/System/Wlog/Formatter.hs, dist/build/System/Wlog/Formatter.o )
[ 9 of 20] Compiling System.Wlog.LogHandler ( src/System/Wlog/LogHandler.hs, dist/build/System/Wlog/LogHandler.o )
[10 of 20] Compiling System.Wlog.IOLogger ( src/System/Wlog/IOLogger.hs, dist/build/System/Wlog/IOLogger.o )
[11 of 20] Compiling System.Wlog.LogHandler.Simple ( src/System/Wlog/LogHandler/Simple.hs, dist/build/System/Wlog/LogHandler/Simple.o )
[12 of 20] Compiling System.Wlog.LoggerConfig ( src/System/Wlog/LoggerConfig.hs, dist/build/System/Wlog/LoggerConfig.o )
[13 of 20] Compiling System.Wlog.LogHandler.Roller ( src/System/Wlog/LogHandler/Roller.hs, dist/build/System/Wlog/LogHandler/Roller.o )
[14 of 20] Compiling System.Wlog.LogHandler.Syslog ( src/System/Wlog/LogHandler/Syslog.hs, dist/build/System/Wlog/LogHandler/Syslog.o )
[15 of 20] Compiling System.Wlog.Terminal ( src/System/Wlog/Terminal.hs, dist/build/System/Wlog/Terminal.o )
[16 of 20] Compiling System.Wlog.Launcher ( src/System/Wlog/Launcher.hs, dist/build/System/Wlog/Launcher.o )
[17 of 20] Compiling System.Wlog.CanLog ( src/System/Wlog/CanLog.hs, dist/build/System/Wlog/CanLog.o )
[18 of 20] Compiling System.Wlog.Exception ( src/System/Wlog/Exception.hs, dist/build/System/Wlog/Exception.o )
[19 of 20] Compiling System.Wlog.PureLogging ( src/System/Wlog/PureLogging.hs, dist/build/System/Wlog/PureLogging.o )
[20 of 20] Compiling System.Wlog      ( src/System/Wlog.hs, dist/build/System/Wlog.o )
Preprocessing executable 'play-log' for log-warper-1.7.4...
[1 of 1] Compiling Main             ( examples/Playground.hs, dist/build/play-log/play-log-tmp/Main.o )
Linking dist/build/play-log/play-log ...
Preprocessing executable 'how-to' for log-warper-1.7.4...
ghc: could not execute: markdown-unlit
cabal: Leaving directory '/tmp/cabal-tmp-21902/log-warper-1.7.4'
cabal: Error: some packages failed to install:
log-warper-1.7.4 failed during the building phase. The exception was:
ExitFailure 1