Resolving dependencies... Configuring base64-bytestring-1.0.0.1... Configuring base-compat-0.9.3... Building base64-bytestring-1.0.0.1... Building base-compat-0.9.3... Installed base64-bytestring-1.0.0.1 Configuring blaze-builder-0.4.0.2... Building blaze-builder-0.4.0.2... Installed base-compat-0.9.3 Configuring bytestring-builder-0.10.8.1.0... Building bytestring-builder-0.10.8.1.0... Installed bytestring-builder-0.10.8.1.0 Configuring dlist-0.8.0.4... Building dlist-0.8.0.4... Installed blaze-builder-0.4.0.2 Configuring postgresql-libpq-0.9.4.0... Installed dlist-0.8.0.4 Configuring th-abstraction-0.2.6.0... Building th-abstraction-0.2.6.0... Building postgresql-libpq-0.9.4.0... Installed th-abstraction-0.2.6.0 Configuring time-locale-compat-0.1.1.3... Building time-locale-compat-0.1.1.3... Installed time-locale-compat-0.1.1.3 Configuring transformers-compat-0.6.0.5... Building transformers-compat-0.6.0.5... Installed postgresql-libpq-0.9.4.0 Configuring unliftio-core-0.1.1.0... Building unliftio-core-0.1.1.0... Installed unliftio-core-0.1.1.0 Configuring uuid-types-1.0.3... Building uuid-types-1.0.3... Installed transformers-compat-0.6.0.5 Configuring transformers-base-0.4.4... Building transformers-base-0.4.4... Installed uuid-types-1.0.3 Configuring tagged-0.8.5... Installed transformers-base-0.4.4 Configuring exceptions-0.9.0... Building tagged-0.8.5... Building exceptions-0.9.0... Installed tagged-0.8.5 Configuring monad-control-1.0.2.3... Installed exceptions-0.9.0 Configuring aeson-1.2.4.0... Building monad-control-1.0.2.3... Building aeson-1.2.4.0... Installed monad-control-1.0.2.3 Configuring resourcet-1.2.0... Building resourcet-1.2.0... Installed resourcet-1.2.0 Configuring resource-pool-0.2.3.2... Building resource-pool-0.2.3.2... Installed resource-pool-0.2.3.2 Installed aeson-1.2.4.0 Configuring groundhog-0.8... Configuring postgresql-simple-0.5.3.0... Building postgresql-simple-0.5.3.0... Building groundhog-0.8... Installed groundhog-0.8 Installed postgresql-simple-0.5.3.0 Configuring groundhog-postgresql-0.8.0.2... Building groundhog-postgresql-0.8.0.2... Failed to install groundhog-postgresql-0.8.0.2 Build log ( /home/builder/.cabal/logs/ghc-8.2.2/groundhog-postgresql-0.8.0.2-HISUzFhWVQmGzOtVJjMyQr.log ): cabal: Entering directory '/tmp/cabal-tmp-28159/groundhog-postgresql-0.8.0.2' Configuring groundhog-postgresql-0.8.0.2... Preprocessing library for groundhog-postgresql-0.8.0.2.. Building library for groundhog-postgresql-0.8.0.2.. Database/Groundhog/Postgresql/Array.hs:1:106: warning: -XOverlappingInstances is deprecated: instead use per-instance pragmas OVERLAPPING/OVERLAPPABLE/OVERLAPS | 1 | {-# LANGUAGE TypeFamilies, FlexibleContexts, FlexibleInstances, OverloadedStrings, UndecidableInstances, OverlappingInstances, BangPatterns #-} | ^^^^^^^^^^^^^^^^^^^^ [1 of 4] Compiling Database.Groundhog.Postgresql ( Database/Groundhog/Postgresql.hs, dist/build/Database/Groundhog/Postgresql.o ) Database/Groundhog/Postgresql.hs:166:10: error: Not in scope: type constructor or class ‘TryConnectionManager’ Perhaps you meant ‘ConnectionManager’ (imported from Database.Groundhog.Core) | 166 | instance TryConnectionManager Postgresql where | ^^^^^^^^^^^^^^^^^^^^ cabal: Leaving directory '/tmp/cabal-tmp-28159/groundhog-postgresql-0.8.0.2' cabal: Error: some packages failed to install: groundhog-postgresql-0.8.0.2-HISUzFhWVQmGzOtVJjMyQr failed during the building phase. The exception was: ExitFailure 1