Resolving dependencies... Configuring safe-0.3.9... Building safe-0.3.9... Preprocessing library safe-0.3.9... [1 of 4] Compiling Safe.Util ( Safe/Util.hs, dist/build/Safe/Util.o ) [2 of 4] Compiling Safe.Exact ( Safe/Exact.hs, dist/build/Safe/Exact.o ) [3 of 4] Compiling Safe.Foldable ( Safe/Foldable.hs, dist/build/Safe/Foldable.o ) [4 of 4] Compiling Safe ( Safe.hs, dist/build/Safe.o ) In-place registering safe-0.3.9... Running Haddock for safe-0.3.9... Running hscolour for safe-0.3.9... Preprocessing library safe-0.3.9... Preprocessing library safe-0.3.9... Haddock coverage: 14% ( 1 / 7) in 'Safe.Util' 35% ( 8 / 23) in 'Safe.Exact' 18% ( 5 / 28) in 'Safe.Foldable' 20% ( 14 / 71) in 'Safe' Documentation created: dist/doc/html/safe/index.html, dist/doc/html/safe/safe.txt Creating package registration file: /tmp/pkgConf-safe-0.32100.9 Installing library in /home/builder/hackage-server/build-cache/tmp-install/lib/x86_64-linux-ghc-7.8.3/safe-0.3.9 Registering safe-0.3.9... Installed safe-0.3.9 Downloading Tic-Tac-Toe-0.1.0.1... Configuring Tic-Tac-Toe-0.1.0.1... Building Tic-Tac-Toe-0.1.0.1... Preprocessing executable 'Tic-Tac-Toe' for Tic-Tac-Toe-0.1.0.1... src/Main.hs:3:8: Could not find module ‘TicTacToe’ Use -v to see a list of the files searched for. Failed to install Tic-Tac-Toe-0.1.0.1 cabal: Error: some packages failed to install: Tic-Tac-Toe-0.1.0.1 failed during the building phase. The exception was: ExitFailure 1