Resolving dependencies...
Starting     th-abstraction-0.3.2.0
Starting     syb-0.7.1
Building     th-abstraction-0.3.2.0
Building     syb-0.7.1
Completed    syb-0.7.1
Completed    th-abstraction-0.3.2.0
Starting     th-lift-0.8.1
Building     th-lift-0.8.1
Completed    th-lift-0.8.1
Starting     prolog-0.3.1
Building     prolog-0.3.1
Failed to install prolog-0.3.1
Build log ( /home/builder/.cabal/logs/ghc-8.6.3/prolog-0.3.1-FYNoIBGQmtWG7HlmaAoTZa.log ):
cabal: Entering directory '/tmp/cabal-tmp-32543/prolog-0.3.1'
Configuring prolog-0.3.1...
Preprocessing library for prolog-0.3.1..
Building library for prolog-0.3.1..
[ 1 of 11] Compiling Syntax           ( src/Syntax.hs, dist/build/Syntax.o )
[ 2 of 11] Compiling Parser           ( src/Parser.hs, dist/build/Parser.o )
[ 3 of 11] Compiling Database         ( src/Database.hs, dist/build/Database.o )
[ 4 of 11] Compiling Unifier          ( src/Unifier.hs, dist/build/Unifier.o )

src/Unifier.hs:8:23: error:
    Module ‘Control.Monad’ does not export ‘MonadFail’
  |
8 | import Control.Monad (MonadFail, mzero)
  |                       ^^^^^^^^^
cabal: Leaving directory '/tmp/cabal-tmp-32543/prolog-0.3.1'
cabal: Error: some packages failed to install:
prolog-0.3.1-FYNoIBGQmtWG7HlmaAoTZa failed during the building phase. The
exception was:
ExitFailure 1