Resolving dependencies... Starting hashable-1.4.1.0 Starting parser-combinators-1.3.0 Starting validity-0.12.0.1 Starting integer-logarithms-1.0.3.1 Starting primitive-0.7.4.0 Building parser-combinators-1.3.0 Building integer-logarithms-1.0.3.1 Building primitive-0.7.4.0 Building validity-0.12.0.1 Building hashable-1.4.1.0 Completed integer-logarithms-1.0.3.1 Completed validity-0.12.0.1 Starting validity-time-0.5.0.0 Completed parser-combinators-1.3.0 Building validity-time-0.5.0.0 Completed hashable-1.4.1.0 Starting case-insensitive-1.2.1.0 Completed validity-time-0.5.0.0 Building case-insensitive-1.2.1.0 Completed case-insensitive-1.2.1.0 Completed primitive-0.7.4.0 Starting scientific-0.3.7.0 Building scientific-0.3.7.0 Completed scientific-0.3.7.0 Starting megaparsec-9.2.2 Building megaparsec-9.2.2 Completed megaparsec-9.2.2 Starting fuzzy-time-0.2.0.2 Building fuzzy-time-0.2.0.2 Failed to install fuzzy-time-0.2.0.2 Build log ( /home/builder/.cabal/logs/ghc-9.2.4/fuzzy-time-0.2.0.2-JPfmi5no53cCrCnXuRuu6C.log ): cabal: Entering directory '/tmp/cabal-tmp-154761/fuzzy-time-0.2.0.2' Configuring fuzzy-time-0.2.0.2... Preprocessing library for fuzzy-time-0.2.0.2.. Building library for fuzzy-time-0.2.0.2.. [1 of 5] Compiling Data.FuzzyTime.Types ( src/Data/FuzzyTime/Types.hs, dist/build/Data/FuzzyTime/Types.o, dist/build/Data/FuzzyTime/Types.dyn_o ) src/Data/FuzzyTime/Types.hs:146:10: error: Duplicate instance declarations: instance NFData DayOfWeek -- Defined at src/Data/FuzzyTime/Types.hs:146:10 instance [safe] NFData DayOfWeek -- Defined in time-1.11.1.1:Data.Time.Calendar.Week | 146 | instance NFData DayOfWeek | ^^^^^^^^^^^^^^^^ cabal: Leaving directory '/tmp/cabal-tmp-154761/fuzzy-time-0.2.0.2' Error: cabal: Some packages failed to install: fuzzy-time-0.2.0.2-JPfmi5no53cCrCnXuRuu6C failed during the building phase. The exception was: ExitFailure 1