Resolving dependencies... Downloading event-transformer-0.1.0.0 Downloaded event-transformer-0.1.0.0 Configuring event-transformer-0.1.0.0... Preprocessing library for event-transformer-0.1.0.0.. Building library for event-transformer-0.1.0.0.. [1 of 1] Compiling Control.Monad.Trans.Event ( src/Control/Monad/Trans/Event.hs, dist/build/Control/Monad/Trans/Event.o, dist/build/Control/Monad/Trans/Event.dyn_o ) src/Control/Monad/Trans/Event.hs:75:3: warning: [GHC-22705] [-Wnoncanonical-monad-instances] Noncanonical return definition detected in the instance declaration for Monad (EventT m). return will eventually be removed in favour of pure Suggested fix: Either remove definition for return (recommended) or define as return = pure See also: https://gitlab.haskell.org/ghc/ghc/-/wikis/proposal/monad-of-no-return | 75 | return = done | ^^^^^^^^^^^^^ Preprocessing executable 'event-transformer-exe' for event-transformer-0.1.0.0.. Building executable 'event-transformer-exe' for event-transformer-0.1.0.0.. [1 of 1] Compiling Main ( app/Main.hs, dist/build/event-transformer-exe/event-transformer-exe-tmp/Main.o ) [2 of 2] Linking dist/build/event-transformer-exe/event-transformer-exe Preprocessing library for event-transformer-0.1.0.0.. Running Haddock on library for event-transformer-0.1.0.0.. Warning: --source-* options are ignored when --hyperlinked-source is enabled. [1 of 1] Compiling Control.Monad.Trans.Event ( src/Control/Monad/Trans/Event.hs, nothing ) src/Control/Monad/Trans/Event.hs:75:3: warning: [GHC-22705] [-Wnoncanonical-monad-instances] Noncanonical return definition detected in the instance declaration for Monad (EventT m). return will eventually be removed in favour of pure Suggested fix: Either remove definition for return (recommended) or define as return = pure See also: https://gitlab.haskell.org/ghc/ghc/-/wikis/proposal/monad-of-no-return | 75 | return = done | ^^^^^^^^^^^^^ Haddock coverage: 85% ( 6 / 7) in 'Control.Monad.Trans.Event' Missing documentation for: Module header Documentation created: dist/doc/html/event-transformer/, dist/doc/html/event-transformer/event-transformer.txt Preprocessing executable 'event-transformer-exe' for event-transformer-0.1.0.0.. Installing library in /var/lib/hackage-doc-builder/build-cache/tmp-install/lib/x86_64-linux-ghc-9.8.4/event-transformer-0.1.0.0-FRyvnIXsy32EGrrZH8Qgz0 Installing executable event-transformer-exe in /var/lib/hackage-doc-builder/build-cache/tmp-install/bin Warning: The directory /var/lib/hackage-doc-builder/build-cache/tmp-install/bin is not in the system search path. Completed event-transformer-0.1.0.0