Resolving dependencies...
Starting     parsek-1.0.2.0
Building     parsek-1.0.2.0
Failed to install parsek-1.0.2.0
Build log ( /home/builder/.cabal/logs/ghc-8.6.3/parsek-1.0.2.0-42WyY25hSR8CN2FhF1o16Z.log ):
cabal: Entering directory '/tmp/cabal-tmp-24064/parsek-1.0.2.0'
Configuring parsek-1.0.2.0...
Preprocessing library for parsek-1.0.2.0..
Building library for parsek-1.0.2.0..
[1 of 3] Compiling Text.ParserCombinators.Class ( Text/ParserCombinators/Class.hs, dist/build/Text/ParserCombinators/Class.o )
[2 of 3] Compiling Text.ParserCombinators.Parsek ( Text/ParserCombinators/Parsek.hs, dist/build/Text/ParserCombinators/Parsek.o )

Text/ParserCombinators/Parsek.hs:132:10: error:
    Not in scope: type constructor or class ‘MonadFail’
    |
132 | instance MonadFail (Parser s) where
    |          ^^^^^^^^^
cabal: Leaving directory '/tmp/cabal-tmp-24064/parsek-1.0.2.0'
cabal: Error: some packages failed to install:
parsek-1.0.2.0-42WyY25hSR8CN2FhF1o16Z failed during the building phase. The
exception was:
ExitFailure 1