Resolving dependencies...
Downloading permutation-0.5.0.2...
[1 of 1] Compiling Main             ( /tmp/permutation-0.5.0.2-26683/permutation-0.5.0.2/dist/setup/setup.hs, /tmp/permutation-0.5.0.2-26683/permutation-0.5.0.2/dist/setup/Main.o )

/tmp/permutation-0.5.0.2-26683/permutation-0.5.0.2/dist/setup/setup.hs:3:3: Warning:
    Module ‘System.Cmd’ is deprecated: Use "System.Process" instead

/tmp/permutation-0.5.0.2-26683/permutation-0.5.0.2/dist/setup/setup.hs:14:11: Warning:
    In the use of ‘runTests’
    (imported from Distribution.Simple, but defined in Distribution.Simple.UserHooks):
    Deprecated: "Please use the new testing interface instead!"
Linking /tmp/permutation-0.5.0.2-26683/permutation-0.5.0.2/dist/setup/setup ...
Configuring permutation-0.5.0.2...
Building permutation-0.5.0.2...
Preprocessing library permutation-0.5.0.2...
[ 1 of 13] Compiling Data.IntArray    ( lib/Data/IntArray.hs, dist/build/Data/IntArray.o )

lib/Data/IntArray.hs:46:1: Warning:
    Top-level binding with no type signature: isTrue :: Int# -> Bool
[ 2 of 13] Compiling Data.Permute.Base ( lib/Data/Permute/Base.hs, dist/build/Data/Permute/Base.o )

lib/Data/Permute/Base.hs:18:1: Warning:
    The import of ‘Foreign’ is redundant
      except perhaps to import instances from ‘Foreign’
    To import instances alone, use: import Foreign()
[ 3 of 13] Compiling Data.Permute.IOBase ( lib/Data/Permute/IOBase.hs, dist/build/Data/Permute/IOBase.o )
[ 4 of 13] Compiling Data.Permute.MPermute ( lib/Data/Permute/MPermute.hs, dist/build/Data/Permute/MPermute.o )

lib/Data/Permute/MPermute.hs:519:25:
    Not in scope: ‘unsafeInterleaveST’
    Perhaps you meant one of these:
      ‘unsafeInterleaveIO’ (imported from System.IO.Unsafe),
      ‘unsafeInterleaveM’ (line 122)
Failed to install permutation-0.5.0.2
cabal: Error: some packages failed to install:
permutation-0.5.0.2 failed during the building phase. The exception was:
ExitFailure 1