Resolving dependencies...
Configuring parallel-3.2.0.4...
Building parallel-3.2.0.4...
Preprocessing library parallel-3.2.0.4...
[1 of 3] Compiling Control.Parallel ( Control/Parallel.hs, dist/build/Control/Parallel.o )
[2 of 3] Compiling Control.Seq      ( Control/Seq.hs, dist/build/Control/Seq.o )
[3 of 3] Compiling Control.Parallel.Strategies ( Control/Parallel/Strategies.hs, dist/build/Control/Parallel/Strategies.o )
In-place registering parallel-3.2.0.4...
Running Haddock for parallel-3.2.0.4...
Running hscolour for parallel-3.2.0.4...
Preprocessing library parallel-3.2.0.4...
Preprocessing library parallel-3.2.0.4...
Haddock coverage:
 100% (  3 /  3) in 'Control.Parallel'
  72% ( 21 / 29) in 'Control.Seq'
  81% ( 68 / 84) in 'Control.Parallel.Strategies'
Documentation created: dist/doc/html/parallel/index.html
Installing library in
/srv/hackage/var/build/tmp-install/lib/x86_64-linux-ghc-7.6.3/parallel-3.2.0.4
Registering parallel-3.2.0.4...
Installed parallel-3.2.0.4
Downloading cpsa-2.0.4...
Configuring cpsa-2.0.4...
Building cpsa-2.0.4...
Preprocessing executable 'cpsa' for cpsa-2.0.4...
[ 1 of 18] Compiling Paths_cpsa       ( dist/build/autogen/Paths_cpsa.hs, dist/build/cpsa/cpsa-tmp/Paths_cpsa.o )
[ 2 of 18] Compiling CPSA.Lib.Pretty  ( src/CPSA/Lib/Pretty.hs, dist/build/cpsa/cpsa-tmp/CPSA/Lib/Pretty.o )
[ 3 of 18] Compiling CPSA.Lib.Utilities ( src/CPSA/Lib/Utilities.hs, dist/build/cpsa/cpsa-tmp/CPSA/Lib/Utilities.o )
[ 4 of 18] Compiling CPSA.DiffieHellman.IntLinEq ( src/CPSA/DiffieHellman/IntLinEq.hs, dist/build/cpsa/cpsa-tmp/CPSA/DiffieHellman/IntLinEq.o )
[ 5 of 18] Compiling CPSA.Lib.SExpr   ( src/CPSA/Lib/SExpr.hs, dist/build/cpsa/cpsa-tmp/CPSA/Lib/SExpr.o )
[ 6 of 18] Compiling CPSA.Lib.Algebra ( src/CPSA/Lib/Algebra.hs, dist/build/cpsa/cpsa-tmp/CPSA/Lib/Algebra.o )
[ 7 of 18] Compiling CPSA.Lib.Printer ( src/CPSA/Lib/Printer.hs, dist/build/cpsa/cpsa-tmp/CPSA/Lib/Printer.o )
[ 8 of 18] Compiling CPSA.Lib.Entry   ( src/CPSA/Lib/Entry.hs, dist/build/cpsa/cpsa-tmp/CPSA/Lib/Entry.o )

src/CPSA/Lib/Entry.hs:68:12: Not in scope: `try'
Failed to install cpsa-2.0.4
cabal: Error: some packages failed to install:
cpsa-2.0.4 failed during the building phase. The exception was:
ExitFailure 1