Resolving dependencies... Build profile: -w ghc-9.2.4 -O0 In order, the following will be built (use -v for more details): - bank-holidays-england-0.2.0.9 (first run) Configuring bank-holidays-england-0.2.0.9... Preprocessing library for bank-holidays-england-0.2.0.9.. Building library for bank-holidays-england-0.2.0.9.. [1 of 1] Compiling Data.Time.Calendar.BankHoliday.EnglandAndWales ( src/Data/Time/Calendar/BankHoliday/EnglandAndWales.hs, /home/builder/builder-dir/build-cache/tmp-install/dist-newstyle/build/x86_64-linux/ghc-9.2.4/bank-holidays-england-0.2.0.9/noopt/build/Data/Time/Calendar/BankHoliday/EnglandAndWales.o, /home/builder/builder-dir/build-cache/tmp-install/dist-newstyle/build/x86_64-linux/ghc-9.2.4/bank-holidays-england-0.2.0.9/noopt/build/Data/Time/Calendar/BankHoliday/EnglandAndWales.dyn_o ) src/Data/Time/Calendar/BankHoliday/EnglandAndWales.hs:96:3: warning: [-Wincomplete-uni-patterns] Pattern match(es) are non-exhaustive In a pattern binding: Patterns of type [time-1.11.1.1:Data.Time.Calendar.Types.DayOfMonth -> Day] not matched: [] [_] [_, _] [_, _, _] ... | 96 | [jan, may, jun, sep, dec] = map (fromGregorian yy) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^... Preprocessing test suite 'test' for bank-holidays-england-0.2.0.9.. Building test suite 'test' for bank-holidays-england-0.2.0.9.. ghc: could not execute: hspec-discover