Resolving dependencies... Configuring print-debugger-1.1.2... Building print-debugger-1.1.2... Failed to install print-debugger-1.1.2 Build log ( /home/builder/.cabal/logs/print-debugger-1.1.2.log ): cabal: Entering directory '/tmp/cabal-tmp-25462/print-debugger-1.1.2' Configuring print-debugger-1.1.2... Building print-debugger-1.1.2... Preprocessing library print-debugger-1.1.2... [1 of 1] Compiling Debug.Print.StackTraceDebug ( src/Debug/Print/StackTraceDebug.hs, dist/build/Debug/Print/StackTraceDebug.o ) src/Debug/Print/StackTraceDebug.hs:11:1: error: Failed to load interface for ‘GHC.SrcLoc’ Use -v to see a list of the files searched for. src/Debug/Print/StackTraceDebug.hs:14:1: error: Failed to load interface for ‘Text.Regex’ Perhaps you meant Text.Read (from base-4.9.0.0) Use -v to see a list of the files searched for. cabal: Leaving directory '/tmp/cabal-tmp-25462/print-debugger-1.1.2' cabal: Error: some packages failed to install: print-debugger-1.1.2 failed during the building phase. The exception was: ExitFailure 1