Resolving dependencies...
Starting     mmsyn2-array-0.1.3.0
Starting     mmsyn5-0.5.0.0
Building     mmsyn2-array-0.1.3.0
Building     mmsyn5-0.5.0.0
Completed    mmsyn5-0.5.0.0
Completed    mmsyn2-array-0.1.3.0
Starting     phonetic-languages-ukrainian-array-0.6.0.0
Building     phonetic-languages-ukrainian-array-0.6.0.0
Failed to install phonetic-languages-ukrainian-array-0.6.0.0
Build log ( /home/builder/.cabal/logs/ghc-8.10.2/phonetic-languages-ukrainian-array-0.6.0.0-AQyXjZEvDR4265VRvL4z3P.log ):
cabal: Entering directory '/tmp/cabal-tmp-1230/phonetic-languages-ukrainian-array-0.6.0.0'
Configuring phonetic-languages-ukrainian-array-0.6.0.0...
Preprocessing executable 'unconcatUkr' for phonetic-languages-ukrainian-array-0.6.0.0..
Building executable 'unconcatUkr' for phonetic-languages-ukrainian-array-0.6.0.0..
[1 of 2] Compiling Ukrainian.ReverseConcatenations ( Ukrainian/ReverseConcatenations.hs, dist/build/unconcatUkr/unconcatUkr-tmp/Ukrainian/ReverseConcatenations.o )
[2 of 2] Compiling Main             ( Ukrainian/Main.hs, dist/build/unconcatUkr/unconcatUkr-tmp/Main.o )

Ukrainian/Main.hs:30:7: error:
    Illegal bang-pattern (use BangPatterns):
    ! fstA
   |
30 |   let !fstA = fromMaybe 1 (readMaybe (mconcat . take 1 $ args0)::Maybe Int)
   |       ^^^^^
cabal: Leaving directory '/tmp/cabal-tmp-1230/phonetic-languages-ukrainian-array-0.6.0.0'
cabal: Error: some packages failed to install:
phonetic-languages-ukrainian-array-0.6.0.0-AQyXjZEvDR4265VRvL4z3P failed
during the building phase. The exception was:
ExitFailure 1