Resolving dependencies...
Configuring call-stack-0.1.0...
Configuring mtl-2.2.1...
Building call-stack-0.1.0...
Building mtl-2.2.1...
Configuring text-1.2.2.1...
Installed call-stack-0.1.0
Building text-1.2.2.1...
Installed mtl-2.2.1
Configuring HUnit-1.5.0.0...
Building HUnit-1.5.0.0...
Installed HUnit-1.5.0.0
Installed text-1.2.2.1
Configuring parsec-3.1.11...
Building parsec-3.1.11...
Installed parsec-3.1.11
Configuring Folly-0.1.4.3...
Building Folly-0.1.4.3...
Failed to install Folly-0.1.4.3
Build log ( /home/builder/.cabal/logs/Folly-0.1.4.3.log ):
cabal: Entering directory '/tmp/cabal-tmp-27643/Folly-0.1.4.3'
Configuring Folly-0.1.4.3...
Building Folly-0.1.4.3...
Preprocessing library Folly-0.1.4.3...
[1 of 7] Compiling Folly.Utils      ( src/Folly/Utils.hs, dist/build/Folly/Utils.o )
[2 of 7] Compiling Folly.Lexer      ( src/Folly/Lexer.hs, dist/build/Folly/Lexer.o )
[3 of 7] Compiling Folly.Formula    ( src/Folly/Formula.hs, dist/build/Folly/Formula.o )
[4 of 7] Compiling Folly.Theorem    ( src/Folly/Theorem.hs, dist/build/Folly/Theorem.o )
[5 of 7] Compiling Folly.Parser     ( src/Folly/Parser.hs, dist/build/Folly/Parser.o )
[6 of 7] Compiling Folly.Unification ( src/Folly/Unification.hs, dist/build/Folly/Unification.o )
[7 of 7] Compiling Folly.Resolution ( src/Folly/Resolution.hs, dist/build/Folly/Resolution.o )
Preprocessing executable 'Folly' for Folly-0.1.4.3...
[1 of 8] Compiling Folly.Utils      ( src/Folly/Utils.hs, dist/build/Folly/Folly-tmp/Folly/Utils.o )
[2 of 8] Compiling Folly.Lexer      ( src/Folly/Lexer.hs, dist/build/Folly/Folly-tmp/Folly/Lexer.o )
[3 of 8] Compiling Folly.Formula    ( src/Folly/Formula.hs, dist/build/Folly/Folly-tmp/Folly/Formula.o )
[4 of 8] Compiling Folly.Theorem    ( src/Folly/Theorem.hs, dist/build/Folly/Folly-tmp/Folly/Theorem.o )
[5 of 8] Compiling Folly.Parser     ( src/Folly/Parser.hs, dist/build/Folly/Folly-tmp/Folly/Parser.o )
[6 of 8] Compiling Folly.Unification ( src/Folly/Unification.hs, dist/build/Folly/Folly-tmp/Folly/Unification.o )
[7 of 8] Compiling Folly.Resolution ( src/Folly/Resolution.hs, dist/build/Folly/Folly-tmp/Folly/Resolution.o )
[8 of 8] Compiling Main             ( src/Main.hs, dist/build/Folly/Folly-tmp/Main.o )
Linking dist/build/Folly/Folly ...
Preprocessing executable 'Folly-tests' for Folly-0.1.4.3...
[1 of 1] Compiling Main             ( test/Main.hs, dist/build/Folly-tests/Folly-tests-tmp/Main.o )

test/Main.hs:3:1: error:
    Failed to load interface for ‘Folly.FormulaTests’
    Perhaps you meant
      Folly.Formula (needs flag -package-key Folly-0.1.4.3)
    Use -v to see a list of the files searched for.

test/Main.hs:4:1: error:
    Failed to load interface for ‘Folly.LexerTests’
    Use -v to see a list of the files searched for.

test/Main.hs:5:1: error:
    Failed to load interface for ‘Folly.ParserTests’
    Use -v to see a list of the files searched for.

test/Main.hs:6:1: error:
    Failed to load interface for ‘Folly.ResolutionTests’
    Perhaps you meant
      Folly.Resolution (needs flag -package-key Folly-0.1.4.3)
    Use -v to see a list of the files searched for.

test/Main.hs:7:1: error:
    Failed to load interface for ‘Folly.UnificationTests’
    Perhaps you meant
      Folly.Unification (needs flag -package-key Folly-0.1.4.3)
    Use -v to see a list of the files searched for.
cabal: Leaving directory '/tmp/cabal-tmp-27643/Folly-0.1.4.3'
cabal: Error: some packages failed to install:
Folly-0.1.4.3 failed during the building phase. The exception was:
ExitFailure 1