Resolving dependencies...
Configuring parallel-3.2.1.0...
Building parallel-3.2.1.0...
Installed parallel-3.2.1.0
Configuring cpsa-2.2.8...
Building cpsa-2.2.8...
Failed to install cpsa-2.2.8
Build log ( /home/builder/.cabal/logs/cpsa-2.2.8.log ):
cabal: Entering directory '/tmp/cabal-tmp-20467/cpsa-2.2.8'
Configuring cpsa-2.2.8...
Building cpsa-2.2.8...
Preprocessing executable 'cpsa' for cpsa-2.2.8...
[ 1 of 21] Compiling Paths_cpsa       ( dist/build/autogen/Paths_cpsa.hs, dist/build/cpsa/cpsa-tmp/Paths_cpsa.o )
[ 2 of 21] Compiling CPSA.Lib.Utilities ( src/CPSA/Lib/Utilities.hs, dist/build/cpsa/cpsa-tmp/CPSA/Lib/Utilities.o )
[ 3 of 21] Compiling CPSA.Lib.SExpr   ( src/CPSA/Lib/SExpr.hs, dist/build/cpsa/cpsa-tmp/CPSA/Lib/SExpr.o )
[ 4 of 21] Compiling CPSA.Lib.Pretty  ( src/CPSA/Lib/Pretty.hs, dist/build/cpsa/cpsa-tmp/CPSA/Lib/Pretty.o )
[ 5 of 21] Compiling CPSA.Lib.Printer ( src/CPSA/Lib/Printer.hs, dist/build/cpsa/cpsa-tmp/CPSA/Lib/Printer.o )
[ 6 of 21] Compiling CPSA.Lib.Notation ( src/CPSA/Lib/Notation.hs, dist/build/cpsa/cpsa-tmp/CPSA/Lib/Notation.o )
[ 7 of 21] Compiling CPSA.Lib.Algebra ( src/CPSA/Lib/Algebra.hs, dist/build/cpsa/cpsa-tmp/CPSA/Lib/Algebra.o )
[ 8 of 21] Compiling CPSA.Lib.Protocol ( src/CPSA/Lib/Protocol.hs, dist/build/cpsa/cpsa-tmp/CPSA/Lib/Protocol.o )
[ 9 of 21] Compiling CPSA.Lib.CPSA    ( src/CPSA/Lib/CPSA.hs, dist/build/cpsa/cpsa-tmp/CPSA/Lib/CPSA.o )
[10 of 21] Compiling CPSA.Lib.Expand  ( src/CPSA/Lib/Expand.hs, dist/build/cpsa/cpsa-tmp/CPSA/Lib/Expand.o )
[11 of 21] Compiling CPSA.SimpleDiffieHellman.Algebra ( src/CPSA/SimpleDiffieHellman/Algebra.hs, dist/build/cpsa/cpsa-tmp/CPSA/SimpleDiffieHellman/Algebra.o )
[12 of 21] Compiling CPSA.Lib.Strand  ( src/CPSA/Lib/Strand.hs, dist/build/cpsa/cpsa-tmp/CPSA/Lib/Strand.o )
[13 of 21] Compiling CPSA.Lib.Cohort  ( src/CPSA/Lib/Cohort.hs, dist/build/cpsa/cpsa-tmp/CPSA/Lib/Cohort.o )
[14 of 21] Compiling CPSA.Lib.Displayer ( src/CPSA/Lib/Displayer.hs, dist/build/cpsa/cpsa-tmp/CPSA/Lib/Displayer.o )

src/CPSA/Lib/Displayer.hs:136:1: warning: [-Wtabs]
    Tab character found here, and in one further location.
    Please use spaces instead.
[15 of 21] Compiling CPSA.Lib.Loader  ( src/CPSA/Lib/Loader.hs, dist/build/cpsa/cpsa-tmp/CPSA/Lib/Loader.o )

src/CPSA/Lib/Loader.hs:122:10: error:
    • No instance for (Applicative ReturnFail)
        arising from the superclasses of an instance declaration
    • In the instance declaration for ‘Monad ReturnFail’
cabal: Leaving directory '/tmp/cabal-tmp-20467/cpsa-2.2.8'
cabal: Error: some packages failed to install:
cpsa-2.2.8 failed during the building phase. The exception was:
ExitFailure 1