Resolving dependencies...
Downloading parsec2-1.0.0...
Configuring parsec2-1.0.0...
Building parsec2-1.0.0...
Preprocessing library parsec2-1.0.0...
[ 1 of 10] Compiling Text.ParserCombinators.Parsec.Pos ( Text/ParserCombinators/Parsec/Pos.hs, dist/build/Text/ParserCombinators/Parsec/Pos.o )
[ 2 of 10] Compiling Text.ParserCombinators.Parsec.Error ( Text/ParserCombinators/Parsec/Error.hs, dist/build/Text/ParserCombinators/Parsec/Error.o )
[ 3 of 10] Compiling Text.ParserCombinators.Parsec.Prim ( Text/ParserCombinators/Parsec/Prim.hs, dist/build/Text/ParserCombinators/Parsec/Prim.o )
[ 4 of 10] Compiling Text.ParserCombinators.Parsec.Char ( Text/ParserCombinators/Parsec/Char.hs, dist/build/Text/ParserCombinators/Parsec/Char.o )
[ 5 of 10] Compiling Text.ParserCombinators.Parsec.Combinator ( Text/ParserCombinators/Parsec/Combinator.hs, dist/build/Text/ParserCombinators/Parsec/Combinator.o )
[ 6 of 10] Compiling Text.ParserCombinators.Parsec ( Text/ParserCombinators/Parsec.hs, dist/build/Text/ParserCombinators/Parsec.o )
[ 7 of 10] Compiling Text.ParserCombinators.Parsec.Perm ( Text/ParserCombinators/Parsec/Perm.hs, dist/build/Text/ParserCombinators/Parsec/Perm.o )
[ 8 of 10] Compiling Text.ParserCombinators.Parsec.Token ( Text/ParserCombinators/Parsec/Token.hs, dist/build/Text/ParserCombinators/Parsec/Token.o )
[ 9 of 10] Compiling Text.ParserCombinators.Parsec.Language ( Text/ParserCombinators/Parsec/Language.hs, dist/build/Text/ParserCombinators/Parsec/Language.o )
[10 of 10] Compiling Text.ParserCombinators.Parsec.Expr ( Text/ParserCombinators/Parsec/Expr.hs, dist/build/Text/ParserCombinators/Parsec/Expr.o )
In-place registering parsec2-1.0.0...
Running Haddock for parsec2-1.0.0...
Running hscolour for parsec2-1.0.0...
Preprocessing library parsec2-1.0.0...
Preprocessing library parsec2-1.0.0...
Haddock coverage:
  76% ( 13 / 17) in 'Text.ParserCombinators.Parsec.Pos'
  44% (  7 / 16) in 'Text.ParserCombinators.Parsec.Error'
  73% ( 22 / 30) in 'Text.ParserCombinators.Parsec.Prim'
  95% ( 18 / 19) in 'Text.ParserCombinators.Parsec.Char'
 100% ( 24 / 24) in 'Text.ParserCombinators.Parsec.Combinator'
 100% (  5 /  5) in 'Text.ParserCombinators.Parsec.Expr'
  83% ( 15 / 18) in 'Text.ParserCombinators.Parsec'
 100% (  7 /  7) in 'Text.ParserCombinators.Parsec.Perm'
 100% (  4 /  4) in 'Text.ParserCombinators.Parsec.Token'
  89% (  8 /  9) in 'Text.ParserCombinators.Parsec.Language'
Documentation created: dist/doc/html/parsec2/index.html
Installing library in
/srv/hackage/var/build/tmp-install/lib/x86_64-linux-ghc-7.6.3/parsec2-1.0.0
Registering parsec2-1.0.0...
Installed parsec2-1.0.0
Downloading egison-0.1.2.1...
Configuring egison-0.1.2.1...
Building egison-0.1.2.1...
Preprocessing executable 'egison' for egison-0.1.2.1...

Egison.hs:1:1:
    Ambiguous module name `Prelude':
      it was found in multiple packages: base haskell98-2.0.0.2
Failed to install egison-0.1.2.1
cabal: Error: some packages failed to install:
egison-0.1.2.1 failed during the building phase. The exception was:
ExitFailure 1