Resolving dependencies...
Configuring graph-wrapper-0.2.5.1...
Configuring mtl-2.2.1...
Building mtl-2.2.1...
Building graph-wrapper-0.2.5.1...
Configuring value-supply-0.6...
Installed graph-wrapper-0.2.5.1
Building value-supply-0.6...
Installed value-supply-0.6
Installed mtl-2.2.1
Configuring libcspm-0.2.1...
Building libcspm-0.2.1...
Failed to install libcspm-0.2.1
Build log ( /home/builder/.cabal/logs/libcspm-0.2.1.log ):
cabal: Entering directory '/tmp/cabal-tmp-31399/libcspm-0.2.1'
Configuring libcspm-0.2.1...
Building libcspm-0.2.1...
Preprocessing library libcspm-0.2.1...

src/CSPM/Parser/Lexer.x:2:16: warning:
    unrecognised warning flag: -fno-warn-lazy-unlifted-bindings
[ 1 of 58] Compiling Util.PrettyPrint ( src/Util/PrettyPrint.hs, dist/build/Util/PrettyPrint.o )
[ 2 of 58] Compiling Util.Prelude     ( src/Util/Prelude.hs, dist/build/Util/Prelude.o )
[ 3 of 58] Compiling Util.Monad       ( src/Util/Monad.hs, dist/build/Util/Monad.o )
[ 4 of 58] Compiling Util.List        ( src/Util/List.hs, dist/build/Util/List.o )
[ 5 of 58] Compiling Util.Annotated[boot] ( src/Util/Annotated.hs-boot, dist/build/Util/Annotated.o-boot )
[ 6 of 58] Compiling Util.Exception   ( src/Util/Exception.hs, dist/build/Util/Exception.o )

src/Util/Exception.hs:94:5: error:
    • Constraint ‘MonadIOException m’ in the type of ‘tryM’
        constrains only the class type variables
      Use ConstrainedClassMethods to allow it
    • When checking the class method:
        tryM :: forall (m :: * -> *).
                MonadIOException m =>
                forall a.
                MonadIOException m =>
                m a -> m (Either LibCSPMException a)
      In the class declaration for ‘MonadIOException’
cabal: Leaving directory '/tmp/cabal-tmp-31399/libcspm-0.2.1'
cabal: Error: some packages failed to install:
cspmchecker-0.2.1 depends on libcspm-0.2.1 which failed to install.
libcspm-0.2.1 failed during the building phase. The exception was:
ExitFailure 1