Resolving dependencies...
Warning: The following packages are likely to be broken by the reinstalls:
Cabal-3.2.0.0
Continuing even though the plan contains dangerous reinstalls.
Starting     monad-loops-0.4.3
Starting     splitmix-0.1.0.3
Starting     text-1.2.5.0
Building     monad-loops-0.4.3
Building     splitmix-0.1.0.3
Building     text-1.2.5.0
Completed    monad-loops-0.4.3
Completed    splitmix-0.1.0.3
Starting     random-1.2.1
Building     random-1.2.1
Completed    random-1.2.1
Starting     QuickCheck-2.14.2
Building     QuickCheck-2.14.2
Completed    text-1.2.5.0
Starting     hashable-1.3.4.1
Starting     parsec-3.1.14.0
Building     hashable-1.3.4.1
Building     parsec-3.1.14.0
Completed    hashable-1.3.4.1
Starting     unordered-containers-0.2.14.0
Building     unordered-containers-0.2.14.0
Completed    parsec-3.1.14.0
Completed    QuickCheck-2.14.2
Completed    unordered-containers-0.2.14.0
Starting     rest-rewrite-0.1.1
Building     rest-rewrite-0.1.1
Failed to install rest-rewrite-0.1.1
Build log ( /home/builder/.cabal/logs/ghc-8.10.2/rest-rewrite-0.1.1-3vNDMdKOu14558W9wwrbUX.log ):
cabal: Entering directory '/tmp/cabal-tmp-23870/rest-rewrite-0.1.1'
Configuring rest-rewrite-0.1.1...
Preprocessing executable 'rest' for rest-rewrite-0.1.1..
Building executable 'rest' for rest-rewrite-0.1.1..
[ 1 of 42] Compiling Language.REST.AbstractOC ( src/Language/REST/AbstractOC.hs, dist/build/rest/rest-tmp/Language/REST/AbstractOC.o )
[ 2 of 42] Compiling Language.REST.Dot ( src/Language/REST/Dot.hs, dist/build/rest/rest-tmp/Language/REST/Dot.o )
[ 3 of 42] Compiling Language.REST.ExploredTerms ( src/Language/REST/ExploredTerms.hs, dist/build/rest/rest-tmp/Language/REST/ExploredTerms.o )
[ 4 of 42] Compiling Language.REST.MultiSet ( src/Language/REST/MultiSet.hs, dist/build/rest/rest-tmp/Language/REST/MultiSet.o )
[ 5 of 42] Compiling Language.REST.RewriteRule ( src/Language/REST/RewriteRule.hs, dist/build/rest/rest-tmp/Language/REST/RewriteRule.o )
[ 6 of 42] Compiling Language.REST.SMT ( src/Language/REST/SMT.hs, dist/build/rest/rest-tmp/Language/REST/SMT.o )
[ 7 of 42] Compiling Language.REST.Op ( src/Language/REST/Op.hs, dist/build/rest/rest-tmp/Language/REST/Op.o )
[ 8 of 42] Compiling Language.REST.RuntimeTerm ( src/Language/REST/RuntimeTerm.hs, dist/build/rest/rest-tmp/Language/REST/RuntimeTerm.o )
[ 9 of 42] Compiling Language.REST.MetaTerm ( src/Language/REST/MetaTerm.hs, dist/build/rest/rest-tmp/Language/REST/MetaTerm.o )
[10 of 42] Compiling Language.REST.Rewrite ( src/Language/REST/Rewrite.hs, dist/build/rest/rest-tmp/Language/REST/Rewrite.o )
[11 of 42] Compiling Language.REST.Types ( src/Language/REST/Types.hs, dist/build/rest/rest-tmp/Language/REST/Types.o )

src/Language/REST/Types.hs:72:10: error:
    Duplicate instance declarations:
      instance Hashable a => Hashable (OS.Set a)
        -- Defined at src/Language/REST/Types.hs:72:10
      instance Hashable v => Hashable (OS.Set v)
        -- Defined in hashable-1.3.4.1:Data.Hashable.Class
   |
72 | instance Hashable a => Hashable (OS.Set a) where
   |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

src/Language/REST/Types.hs:75:10: error:
    Duplicate instance declarations:
      instance (Hashable a, Hashable b) => Hashable (M.Map a b)
        -- Defined at src/Language/REST/Types.hs:75:10
      instance (Hashable k, Hashable v) => Hashable (M.Map k v)
        -- Defined in hashable-1.3.4.1:Data.Hashable.Class
   |
75 | instance (Hashable a, Hashable b) => Hashable (M.Map a b) where
   |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
cabal: Leaving directory '/tmp/cabal-tmp-23870/rest-rewrite-0.1.1'
cabal: Error: some packages failed to install:
rest-rewrite-0.1.1-3vNDMdKOu14558W9wwrbUX failed during the building phase.
The exception was:
ExitFailure 1