gistfile1.txt

[callen@localhost ~/code/lambdabot-4.3.0.1]$ cabal install -v2 --max-backjumps=-1
Using a sandbox located at /Users/callen/code/lambdabot-4.3.0.1/.cabal-sandbox
Reading available packages...
Reading available packages...
Reading installed packages...
'/usr/bin/ghc-pkg' 'dump' '--package-db=/Users/callen/code/lambdabot-4.3.0.1/.cabal-sandbox/x86_64-osx-ghc-7.6.3-packages.conf.d' '-v0'
'/usr/bin/ghc' '--print-libdir'
Reading available packages...
Choosing modular solver.
Resolving dependencies...
cabal: Could not resolve dependencies:
trying: lambdabot-4.3.0.1 (user goal)
trying: mueval-0.9.1.1 (dependency of lambdabot-4.3.0.1)
trying: hint-0.4.0.0 (dependency of mueval-0.9.1.1)
next goal: ghc (dependency of hint-0.4.0.0)
rejecting: ghc-7.6.3/installed-376... (package is broken)
Dependency tree exhaustively searched.

Note: when using a sandbox, all packages are required to have consistent
dependencies. Try reinstalling/unregistering the offending packages or
recreating the sandbox.