cabal-install.log

Using a sandbox located at /home/carlo/ghc-mod/.cabal-sandbox
Searching for ghc in path.
Found ghc at /run/current-system/sw/bin/ghc
("/run/current-system/sw/bin/ghc",["--numeric-version"])
/run/current-system/sw/bin/ghc is version 7.6.3
looking for tool ghc-pkg near compiler in /run/current-system/sw/bin
found ghc-pkg in /run/current-system/sw/bin/ghc-pkg
("/run/current-system/sw/bin/ghc-pkg",["--version"])
/run/current-system/sw/bin/ghc-pkg is version 7.6.3
("/run/current-system/sw/bin/ghc",["--supported-languages"])
("/run/current-system/sw/bin/ghc",["--info"])
The package database already exists:
/home/carlo/ghc-mod/.cabal-sandbox/x86_64-linux-ghc-7.6.3-packages.conf.d
Reading available packages...
Reading available packages...
Reading installed packages...
("/run/current-system/sw/bin/ghc-pkg",["dump","--package-db=/home/carlo/ghc-mod/.cabal-sandbox/x86_64-linux-ghc-7.6.3-packages.conf.d","-v0"])
("/run/current-system/sw/bin/ghc",["--print-libdir"])
Reading installed packages...
("/run/current-system/sw/bin/ghc-pkg",["dump","--global","-v0"])
("/run/current-system/sw/bin/ghc-pkg",["dump","--package-db=/home/carlo/ghc-mod/.cabal-sandbox/x86_64-linux-ghc-7.6.3-packages.conf.d","-v0"])
("/run/current-system/sw/bin/ghc",["--print-libdir"])
Reading available packages...
Choosing modular solver.
Resolving dependencies...
[__0] trying: X11-1.6.1.1/installed-fbe... (user goal)
[__1] trying: base-4.6.0.1/installed-02a... (dependency of X11-1.6.1.1/installed-fbe...)
[__2] trying: rts-1.0/installedbuil... (dependency of base-4.6.0.1/installed-02a...)
[__3] trying: integer-gmp-0.5.0.0/installed-2f1... (dependency of base-4.6.0.1/installed-02a...)
[__4] trying: ghc-prim-0.3.0.0/installed-d52... (dependency of base-4.6.0.1/installed-02a...)
[__5] trying: X11-xft-0.3.1/installed-6c5... (user goal)
[__6] trying: aeson-0.7.0.6 (user goal)
[__7] trying: aeson-0.7.0.6:-new-bytestring-builder
[__8] trying: aeson-0.7.0.6:-developer
[__9] trying: aeson-0.7.0.6:-blaze-builder
[_10] trying: aeson-0.7.0.6:!test
[_11] trying: bytestring-0.10.0.2/installed-af9... (dependency of aeson-0.7.0.6:-blaze-builder)
[_12] trying: time-1.4.0.1/installed-0e9... (dependency of aeson-0.7.0.6)
[_13] trying: template-haskell-2.8.0.0/installed-0ce... (dependency of aeson-0.7.0.6)
[_14] trying: pretty-1.1.1.0/installed-4fe... (dependency of template-haskell-2.8.0.0/installed-0ce...)
[_15] trying: old-locale-1.0.0.5/installed-672... (dependency of aeson-0.7.0.6)
[_16] trying: deepseq-1.3.0.1/installed-67a... (dependency of aeson-0.7.0.6)
[_17] trying: array-0.4.0.1/installed-6ee... (dependency of deepseq-1.3.0.1/installed-67a...)
[_18] trying: containers-0.5.0.0/installed-71f... (dependency of aeson-0.7.0.6)
[_19] next goal: attoparsec (user goal)
[_19] rejecting: attoparsec-0.10.4.0/installed-66e... (conflict: aeson => attoparsec>=0.11.3.4)
[_19] trying: attoparsec-0.12.1.0
[_20] trying: attoparsec-0.12.1.0:-developer
[_21] trying: attoparsec-0.12.1.0:!bench
[_22] trying: attoparsec-0.12.1.0:!test
[_23] trying: base-unicode-symbols-0.2.2.4/installed-c32... (user goal)
[_24] trying: cmdargs-0.10.7/installed-593... (user goal)
[_25] trying: process-1.1.0.2/installed-ab4... (dependency of cmdargs-0.10.7/installed-593...)
[_26] trying: unix-2.6.0.1/installed-8e7... (dependency of process-1.1.0.2/installed-ab4...)
[_27] trying: directory-1.2.0.1/installed-e1c... (dependency of process-1.1.0.2/installed-ab4...)
[_28] trying: filepath-1.3.0.1/installed-c5d... (dependency of cmdargs-0.10.7/installed-593...)
[_29] trying: conduit-1.1.0.2/installed-ab1... (user goal)
[_30] next goal: convertible (user goal)
[_30] rejecting: convertible-1.1.0.0/installed-d8f... (conflict: convertible => text==0.11.3.1/installed-bb8..., attoparsec => text>=1.1.1.3)
[_30] trying: convertible-1.1.0.0
[_31] trying: convertible-1.1.0.0:+splitbase
[_32] trying: convertible-1.1.0.0:-buildtests
[_33] trying: old-time-1.1.0.1/installed-2d0... (dependency of convertible-1.1.0.0:+splitbase)
[_34] trying: cpphs-1.18.4/installed-e4b... (user goal)
[_35] trying: data-default-0.5.3/installed-690... (user goal)
[_36] trying: data-default-class-0.0.1/installed-289... (user goal)
[_37] trying: data-default-instances-base-0.0.1/installed-86c... (user goal)
[_38] trying: data-default-instances-containers-0.0.1/installed-0c8... (user goal)
[_39] trying: data-default-instances-dlist-0.0.1/installed-838... (user goal)
[_40] trying: data-default-instances-old-locale-0.0.1/installed-474... (user goal)
[_41] trying: dlist-0.7.0.1/installed-500... (user goal)
[_42] trying: exceptions-0.5/installed-a23... (user goal)
[_43] trying: extensible-exceptions-0.1.1.4/installed-255... (user goal)
[_44] next goal: ghc-mod (user goal)
[_44] rejecting: ghc-mod-4.0.2/installed-b18..., 4.1.2, 4.1.1 (global constraint requires ==4.1.0)
[_44] trying: ghc-mod-4.1.0
[_45] rejecting: ghc-mod-4.1.0:!test (global constraint requires opposite flag selection)
[_45] trying: ghc-mod-4.1.0:*test
[_46] trying: hspec-1.10.0 (dependency of ghc-mod-4.1.0:*test)
[_47] trying: hspec-1.10.0:!test
[_48] trying: async-2.0.1.5 (dependency of hspec-1.10.0)
[_49] trying: async-2.0.1.5:!test
[_50] trying: stm-2.4.3 (dependency of async-2.0.1.5)
[_51] trying: hspec-expectations-0.5.0.1 (dependency of hspec-1.10.0)
[_52] trying: hspec-expectations-0.5.0.1:!test
[_53] trying: quickcheck-io-0.1.1 (dependency of hspec-1.10.0)
[_54] trying: QuickCheck-2.7.5 (dependency of hspec-1.10.0)
[_55] trying: QuickCheck-2.7.5:+templatehaskell
[_56] trying: QuickCheck-2.7.5:+base4
[_57] trying: QuickCheck-2.7.5:+base3
[_58] trying: QuickCheck-2.7.5:!test
[_59] trying: HUnit-1.2.5.2 (dependency of hspec-1.10.0)
[_60] trying: HUnit-1.2.5.2:+base4
[_61] trying: ansi-terminal-0.6.1.1 (dependency of hspec-1.10.0)
[_62] trying: ansi-terminal-0.6.1.1:+splitbase
[_63] trying: ansi-terminal-0.6.1.1:-example
[_64] trying: setenv-0.1.1.1 (dependency of hspec-1.10.0)
[_65] trying: setenv-0.1.1.1:!test
[_66] trying: tf-random-0.5 (dependency of hspec-1.10.0)
[_67] trying: doctest-0.9.11 (dependency of ghc-mod-4.1.0:*test)
[_68] trying: doctest-0.9.11:!test
[_69] trying: Cabal-1.16.0/installed-55b... (dependency of ghc-mod-4.1.0)
[_70] trying: ghc-7.6.3/installed-776... (dependency of ghc-mod-4.1.0)
[_71] trying: hpc-0.6.0.0/installed-b01... (dependency of ghc-7.6.3/installed-776...)
[_72] trying: hoopl-3.9.0.0/installed-775... (dependency of ghc-7.6.3/installed-776...)
[_73] trying: bin-package-db-0.0.0.0/installed-01f... (dependency of ghc-7.6.3/installed-776...)
[_74] trying: binary-0.5.1.1/installed-4f7... (dependency of bin-package-db-0.0.0.0/installed-01f...)
[_75] trying: ghc-mtl-1.2.0.0/installed-468... (user goal)
[_76] trying: ghc-paths-0.1.0.9/installed-4a5... (user goal)
[_77] trying: ghc-syb-utils-0.2.1.2/installed-895... (user goal)
[_78] next goal: hashable (user goal)
[_78] rejecting: hashable-1.2.1.0/installed-b1a... (conflict: hashable => text==0.11.3.1/installed-bb8..., attoparsec => text>=1.1.1.3)
[_78] trying: hashable-1.2.2.0
[_79] trying: hashable-1.2.2.0:-sse41
[_80] trying: hashable-1.2.2.0:+sse2
[_81] trying: hashable-1.2.2.0:+integer-gmp
[_82] trying: hashable-1.2.2.0:!bench
[_83] trying: hashable-1.2.2.0:!test
[_84] next goal: haskell-platform (user goal)
[_84] rejecting: haskell-platform-2013.2.0.0/installed-dce... (package is broken)
[__0] fail (backjumping, conflict set: haskell-platform)
cabal: Could not resolve dependencies:
next goal: haskell-platform (user goal)
rejecting: haskell-platform-2013.2.0.0/installed-dce... (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.