Resolving dependencies... Configuring split-0.2.3.1... Building split-0.2.3.1... Installed split-0.2.3.1 Configuring print-debugger-1.1.5... Building print-debugger-1.1.5... Failed to install print-debugger-1.1.5 Build log ( /home/builder/.cabal/logs/print-debugger-1.1.5.log ): cabal: Entering directory '/tmp/cabal-tmp-24982/print-debugger-1.1.5' Configuring print-debugger-1.1.5... Building print-debugger-1.1.5... Preprocessing library print-debugger-1.1.5... src/Debug/Print/StackTraceDebug.hs:3:8: error: File name does not match module name: Saw: ‘Print.Debug.StackTraceDebug’ Expected: ‘Debug.Print.StackTraceDebug’ cabal: Leaving directory '/tmp/cabal-tmp-24982/print-debugger-1.1.5' cabal: Error: some packages failed to install: print-debugger-1.1.5 failed during the building phase. The exception was: ExitFailure 1