Resolving dependencies... Downloading persistent-mtl-0.5.0.1 Downloaded persistent-mtl-0.5.0.1 Starting persistent-mtl-0.5.0.1 Building persistent-mtl-0.5.0.1 Failed to install persistent-mtl-0.5.0.1 Build log ( /home/builder/.cabal/logs/ghc-9.2.4/persistent-mtl-0.5.0.1-Fnz6fmeqAct3RQXMvZKrUe.log ): cabal: Entering directory '/tmp/cabal-tmp-1422630/persistent-mtl-0.5.0.1' Configuring persistent-mtl-0.5.0.1... Building persistent-mtl-0.5.0.1... Warning: No documentation was generated as this package does not contain a library. Perhaps you want to use the --executables, --tests, --benchmarks or --foreign-libraries flags. Error: cabal-3.8.1.0: No executables and no library found. Nothing to do. cabal: Leaving directory '/tmp/cabal-tmp-1422630/persistent-mtl-0.5.0.1' Error: cabal: Some packages failed to install: persistent-mtl-0.5.0.1-Fnz6fmeqAct3RQXMvZKrUe failed during the final install step. The exception was: ExitFailure 1