It produces a strange error:
Running 1 test suites...
Test suite tests: RUNNING...
/nix/store/gwm3821513h0jwcgxr73r3ay90shaq7r-haskell-base64-bytestring-ghc7.6.3-1.0.0.1/bin/../lib/ghc-7.6.3/package.conf.d/base64-bytestring-1.0.0.1.installedconf:1:19272:
Not in scope: `main'
Perhaps you meant `min' (imported from Prelude)
...
I'm not sure what this means.