Resolving dependencies...
Configuring random-1.1...
Building random-1.1...
Preprocessing library random-1.1...
[1 of 1] Compiling System.Random    ( System/Random.hs, dist/build/System/Random.o )

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In-place registering random-1.1...
Running Haddock for random-1.1...
cabal: Haddock's internal GHC version must match the configured GHC version.
The GHC version is 7.10.2 but haddock is using GHC version 7.8.3
Creating package registration file: /tmp/pkgConf-random-1336465782861021530.1
Installing library in
/home/builder/hackage-server/build-cache/tmp-install/lib/x86_64-linux-ghc-7.10.2/random-1.1-1z8Ujelqc6aKgvPnbRUKkP
Registering random-1.1...
Installed random-1.1
Downloading combinat-0.2.7.1...
Configuring combinat-0.2.7.1...
Building combinat-0.2.7.1...
Preprocessing library combinat-0.2.7.1...
[ 1 of 32] Compiling Math.Combinat.Trees.Nary[boot] ( Math/Combinat/Trees/Nary.hs-boot, dist/build/Math/Combinat/Trees/Nary.o-boot )
[ 2 of 32] Compiling Math.Combinat.Trees.Binary[boot] ( Math/Combinat/Trees/Binary.hs-boot, dist/build/Math/Combinat/Trees/Binary.o-boot )

Math/Combinat/Trees/Binary.hs-boot:7:1: Warning:
    The import item ‘Forest(..)’ suggests that
    ‘Forest’ has (in-scope) constructors or class methods,
    but it has none

Math/Combinat/Trees/Binary.hs-boot:7:1: Warning:
    The import of ‘Data.Tree’ is redundant
      except perhaps to import instances from ‘Data.Tree’
    To import instances alone, use: import Data.Tree()
[ 3 of 32] Compiling Math.Combinat.Trees.Graphviz ( Math/Combinat/Trees/Graphviz.hs, dist/build/Math/Combinat/Trees/Graphviz.o )

Math/Combinat/Trees/Graphviz.hs:17:1: Warning:
    The import of ‘Control.Applicative’ is redundant
      except perhaps to import instances from ‘Control.Applicative’
    To import instances alone, use: import Control.Applicative()

Math/Combinat/Trees/Graphviz.hs:27:21: Warning:
    This binding for ‘lines’ shadows the existing binding
      imported from ‘Prelude’ at Math/Combinat/Trees/Graphviz.hs:4:8-35
      (and originally defined in ‘base-4.8.1.0:Data.OldList’)

Math/Combinat/Trees/Graphviz.hs:44:3: Warning:
    This binding for ‘lines’ shadows the existing binding
      imported from ‘Prelude’ at Math/Combinat/Trees/Graphviz.hs:4:8-35
      (and originally defined in ‘base-4.8.1.0:Data.OldList’)

Math/Combinat/Trees/Graphviz.hs:59:3: Warning:
    This binding for ‘lines’ shadows the existing binding
      imported from ‘Prelude’ at Math/Combinat/Trees/Graphviz.hs:4:8-35
      (and originally defined in ‘base-4.8.1.0:Data.OldList’)

Math/Combinat/Trees/Graphviz.hs:85:3: Warning:
    This binding for ‘lines’ shadows the existing binding
      imported from ‘Prelude’ at Math/Combinat/Trees/Graphviz.hs:4:8-35
      (and originally defined in ‘base-4.8.1.0:Data.OldList’)

Math/Combinat/Trees/Graphviz.hs:106:3: Warning:
    This binding for ‘lines’ shadows the existing binding
      imported from ‘Prelude’ at Math/Combinat/Trees/Graphviz.hs:4:8-35
      (and originally defined in ‘base-4.8.1.0:Data.OldList’)
[ 4 of 32] Compiling Math.Combinat.Partitions.Vector ( Math/Combinat/Partitions/Vector.hs, dist/build/Math/Combinat/Partitions/Vector.o )

Math/Combinat/Partitions/Vector.hs:13:1: Warning:
    The import of ‘Data.List’ is redundant
      except perhaps to import instances from ‘Data.List’
    To import instances alone, use: import Data.List()

Math/Combinat/Partitions/Vector.hs:39:17: Warning:
    This binding for ‘last’ shadows the existing binding
      imported from ‘Data.List’ at Math/Combinat/Partitions/Vector.hs:13:1-16
      (and originally defined in ‘GHC.List’)

Math/Combinat/Partitions/Vector.hs:47:13: Warning:
    This binding for ‘last’ shadows the existing binding
      imported from ‘Data.List’ at Math/Combinat/Partitions/Vector.hs:13:1-16
      (and originally defined in ‘GHC.List’)

Math/Combinat/Partitions/Vector.hs:56:24: Warning:
    This binding for ‘c’ shadows the existing binding
      bound at Math/Combinat/Partitions/Vector.hs:52:19

Math/Combinat/Partitions/Vector.hs:56:26: Warning:
    This binding for ‘u’ shadows the existing binding
      bound at Math/Combinat/Partitions/Vector.hs:52:21

Math/Combinat/Partitions/Vector.hs:63:16: Warning:
    This binding for ‘all’ shadows the existing binding
      imported from ‘Data.List’ at Math/Combinat/Partitions/Vector.hs:13:1-16
      (and originally defined in ‘Data.Foldable’)

Math/Combinat/Partitions/Vector.hs:63:21: Warning:
    This binding for ‘last’ shadows the existing binding
      imported from ‘Data.List’ at Math/Combinat/Partitions/Vector.hs:13:1-16
      (and originally defined in ‘GHC.List’)

Math/Combinat/Partitions/Vector.hs:68:3: Warning:
    This binding for ‘subtract’ shadows the existing binding
      imported from ‘Prelude’ at Math/Combinat/Partitions/Vector.hs:8:8-38
      (and originally defined in ‘GHC.Num’)

Math/Combinat/Partitions/Vector.hs:39:3: Warning:
    Pattern match(es) are non-exhaustive
    In an equation for ‘worker’: Patterns not matched: []

Math/Combinat/Partitions/Vector.hs:47:3: Warning:
    Pattern match(es) are non-exhaustive
    In an equation for ‘decrease’: Patterns not matched: []

Math/Combinat/Partitions/Vector.hs:63:3: Warning:
    Pattern match(es) are non-exhaustive
    In an equation for ‘subtract_rec’: Patterns not matched: []
[ 5 of 32] Compiling Math.Combinat.Partitions.Multiset ( Math/Combinat/Partitions/Multiset.hs, dist/build/Math/Combinat/Partitions/Multiset.o )
[ 6 of 32] Compiling Math.Combinat.Numbers.Primes ( Math/Combinat/Numbers/Primes.hs, dist/build/Math/Combinat/Numbers/Primes.o )

Math/Combinat/Numbers/Primes.hs:69:3: Warning:
    Defined but not used: ‘minus’

Math/Combinat/Numbers/Primes.hs:99:14: Warning:
    This binding for ‘k’ shadows the existing binding
      bound at Math/Combinat/Numbers/Primes.hs:98:11

Math/Combinat/Numbers/Primes.hs:100:22: Warning:
    This binding for ‘k’ shadows the existing binding
      bound at Math/Combinat/Numbers/Primes.hs:98:11

Math/Combinat/Numbers/Primes.hs:223:11: Warning:
    This binding for ‘bs’ shadows the existing binding
      bound at Math/Combinat/Numbers/Primes.hs:215:3

Math/Combinat/Numbers/Primes.hs:47:3: Warning:
    Pattern match(es) are non-exhaustive
    In an equation for ‘sieve’: Patterns not matched: _ [] _

Math/Combinat/Numbers/Primes.hs:57:3: Warning:
    Pattern match(es) are non-exhaustive
    In an equation for ‘fold3t’:
        Patterns not matched:
            []
            [] : _

Math/Combinat/Numbers/Primes.hs:59:3: Warning:
    Pattern match(es) are non-exhaustive
    In an equation for ‘pairs’:
        Patterns not matched:
            []
            [] : _
            [_ : _]

Math/Combinat/Numbers/Primes.hs:62:3: Warning:
    Pattern match(es) are non-exhaustive
    In an equation for ‘gaps’: Patterns not matched: _ [] _

Math/Combinat/Numbers/Primes.hs:65:3: Warning:
    Pattern match(es) are non-exhaustive
    In an equation for ‘roll’: Patterns not matched: _ [] _
[ 7 of 32] Compiling Math.Combinat.Helper ( Math/Combinat/Helper.hs, dist/build/Math/Combinat/Helper.o )

Math/Combinat/Helper.hs:8:1: Warning:
    The import of ‘Control.Monad’ is redundant
      except perhaps to import instances from ‘Control.Monad’
    To import instances alone, use: import Control.Monad()

Math/Combinat/Helper.hs:13:1: Warning:
    The import of ‘Data.Set’ is redundant
      except perhaps to import instances from ‘Data.Set’
    To import instances alone, use: import Data.Set()

Math/Combinat/Helper.hs:14:1: Warning:
    The import of ‘Data.Map’ is redundant
      except perhaps to import instances from ‘Data.Map’
    To import instances alone, use: import Data.Map()

Math/Combinat/Helper.hs:27:1: Warning:
    SPECIALISE pragma for non-overloaded function ‘swap’

Math/Combinat/Helper.hs:28:1: Warning:
    SPECIALISE pragma for non-overloaded function ‘swap’

Math/Combinat/Helper.hs:171:10: Warning:
    This binding for ‘y’ shadows the existing binding
      bound at Math/Combinat/Helper.hs:169:16

Math/Combinat/Helper.hs:83:3: Warning:
    Pattern match(es) are non-exhaustive
    In an equation for ‘go’: Patterns not matched: []

Math/Combinat/Helper.hs:88:3: Warning:
    Pattern match(es) are non-exhaustive
    In an equation for ‘go’: Patterns not matched: _ []

Math/Combinat/Helper.hs:92:3: Warning:
    Pattern match(es) are non-exhaustive
    In an equation for ‘go’: Patterns not matched: _ []
[ 8 of 32] Compiling Math.Combinat.ASCII ( Math/Combinat/ASCII.hs, dist/build/Math/Combinat/ASCII.o )

Math/Combinat/ASCII.hs:99:5: Warning:
    This binding for ‘ls’ shadows the existing binding
      bound at Math/Combinat/ASCII.hs:98:35

Math/Combinat/ASCII.hs:162:3: Warning:
    This binding for ‘pad’ shadows the existing binding
      defined at Math/Combinat/ASCII.hs:171:1

Math/Combinat/ASCII.hs:167:3: Warning:
    This binding for ‘pad’ shadows the existing binding
      defined at Math/Combinat/ASCII.hs:171:1

Math/Combinat/ASCII.hs:205:3: Warning: Defined but not used: ‘n’

Math/Combinat/ASCII.hs:244:3: Warning:
    Defined but not used: ‘transposeIf’

Math/Combinat/ASCII.hs:258:11: Warning:
    This binding for ‘ds’ shadows the existing binding
      bound at Math/Combinat/ASCII.hs:255:10

Math/Combinat/ASCII.hs:258:15: Warning:
    This binding for ‘xs’ shadows the existing binding
      bound at Math/Combinat/ASCII.hs:255:13
[ 9 of 32] Compiling Math.Combinat.Tuples ( Math/Combinat/Tuples.hs, dist/build/Math/Combinat/Tuples.o )
[10 of 32] Compiling Math.Combinat.Sign ( Math/Combinat/Sign.hs, dist/build/Math/Combinat/Sign.o )

Math/Combinat/Sign.hs:9:1: Warning:
    The import of ‘Data.Monoid’ is redundant
      except perhaps to import instances from ‘Data.Monoid’
    To import instances alone, use: import Data.Monoid()
[11 of 32] Compiling Math.Combinat.Numbers ( Math/Combinat/Numbers.hs, dist/build/Math/Combinat/Numbers.o )

Math/Combinat/Numbers.hs:164:5: Warning:
    This binding for ‘n’ shadows the existing binding
      bound at Math/Combinat/Numbers.hs:162:3
[12 of 32] Compiling Math.Combinat.Sets ( Math/Combinat/Sets.hs, dist/build/Math/Combinat/Sets.o )

Math/Combinat/Sets.hs:31:1: Warning:
    The import of ‘Data.Array.MArray’ is redundant
      except perhaps to import instances from ‘Data.Array.MArray’
    To import instances alone, use: import Data.Array.MArray()

Math/Combinat/Sets.hs:159:1: Warning:
    Defined but not used: ‘makeChoiceFromIndicesNaive’
[13 of 32] Compiling Math.Combinat.Compositions ( Math/Combinat/Compositions.hs, dist/build/Math/Combinat/Compositions.o )

Math/Combinat/Compositions.hs:14:1: Warning:
    The import of ‘factorial’
    from module ‘Math.Combinat.Numbers’ is redundant

Math/Combinat/Compositions.hs:75:29: Warning:
    Defaulting the following constraint(s) to type ‘Integer’
      (Integral a0)
        arising from a use of ‘compositions’
        at Math/Combinat/Compositions.hs:75:29-40
      (Num a0)
        arising from a use of ‘-’ at Math/Combinat/Compositions.hs:75:48
      (Ord a0)
        arising from a use of ‘>’ at Math/Combinat/Compositions.hs:74:9
      (Num a0)
        arising from a use of ‘fromIntegral’
        at Math/Combinat/Compositions.hs:79:11-22
      (Num a0)
        arising from a use of ‘fromIntegral’
        at Math/Combinat/Compositions.hs:78:11-22
    In the second argument of ‘($)’, namely
      ‘compositions len (d - len)’
    In the expression: map plus1 $ compositions len (d - len)
    In an equation for ‘compositions1’:
        compositions1 len' d'
          | len > d = []
          | otherwise = map plus1 $ compositions len (d - len)
          where
              plus1 = map (+ 1)
              len = fromIntegral len'
              d = fromIntegral d'
[14 of 32] Compiling Math.Combinat.Permutations ( Math/Combinat/Permutations.hs, dist/build/Math/Combinat/Permutations.o )

Math/Combinat/Permutations.hs:75:1: Warning:
    The import of ‘binomial’
    from module ‘Math.Combinat.Numbers’ is redundant

Math/Combinat/Permutations.hs:225:1: Warning:
    Defined but not used: ‘signValueOfPermutation’

Math/Combinat/Permutations.hs:277:1: Warning: Tab character

Math/Combinat/Permutations.hs:278:1: Warning: Tab character

Math/Combinat/Permutations.hs:279:1: Warning: Tab character

Math/Combinat/Permutations.hs:139:3: Warning:
    Pattern match(es) are non-exhaustive
    In an equation for ‘pairs’: Patterns not matched: []
[15 of 32] Compiling Math.Combinat.Partitions.Integer ( Math/Combinat/Partitions/Integer.hs, dist/build/Math/Combinat/Partitions/Integer.o )

Math/Combinat/Partitions/Integer.hs:32:1: Warning:
    The import of ‘factorial’
    from module ‘Math.Combinat.Numbers’ is redundant

Math/Combinat/Partitions/Integer.hs:278:3: Warning:
    Defined but not used: ‘n’

Math/Combinat/Partitions/Integer.hs:283:10: Warning:
    This binding for ‘w’ shadows the existing binding
      bound at Math/Combinat/Partitions/Integer.hs:279:3

Math/Combinat/Partitions/Integer.hs:300:3: Warning:
    Defined but not used: ‘n’

Math/Combinat/Partitions/Integer.hs:305:10: Warning:
    This binding for ‘w’ shadows the existing binding
      bound at Math/Combinat/Partitions/Integer.hs:301:3

Math/Combinat/Partitions/Integer.hs:329:10: Warning:
    This binding for ‘k’ shadows the existing binding
      bound at Math/Combinat/Partitions/Integer.hs:323:22

Math/Combinat/Partitions/Integer.hs:329:13: Warning:
    This binding for ‘n’ shadows the existing binding
      bound at Math/Combinat/Partitions/Integer.hs:323:24

Math/Combinat/Partitions/Integer.hs:340:10: Warning:
    This binding for ‘k’ shadows the existing binding
      bound at Math/Combinat/Partitions/Integer.hs:339:27

Math/Combinat/Partitions/Integer.hs:340:13: Warning:
    This binding for ‘n’ shadows the existing binding
      bound at Math/Combinat/Partitions/Integer.hs:339:29

Math/Combinat/Partitions/Integer.hs:436:14: Warning:
    This binding for ‘lambda’ shadows the existing binding
      bound at Math/Combinat/Partitions/Integer.hs:432:22

Math/Combinat/Partitions/Integer.hs:436:21: Warning:
    This binding for ‘n’ shadows the existing binding
      bound at Math/Combinat/Partitions/Integer.hs:432:30

Math/Combinat/Partitions/Integer.hs:282:3: Warning:
    Pattern match(es) are non-exhaustive
    In an equation for ‘go’:
        Patterns not matched:
            _ _ [] _
            _ _ (_ : _) _

Math/Combinat/Partitions/Integer.hs:304:3: Warning:
    Pattern match(es) are non-exhaustive
    In an equation for ‘go’:
        Patterns not matched:
            _ _ [] _
            _ _ (_ : _) _

Math/Combinat/Partitions/Integer.hs:443:7: Warning:
    Pattern match(es) are non-exhaustive
    In an equation for ‘go’:
        Patterns not matched:
            _ (_ : (_ : _)) [] _
            _ (_ : (_ : _)) [_] _
            _ (_ : (_ : _)) (_ : (_ : _)) []
            _ [_] [] []
            ...
[16 of 32] Compiling Math.Combinat.Partitions ( Math/Combinat/Partitions.hs, dist/build/Math/Combinat/Partitions.o )
[17 of 32] Compiling Math.Combinat.Tableaux ( Math/Combinat/Tableaux.hs, dist/build/Math/Combinat/Tableaux.o )

Math/Combinat/Tableaux.hs:29:1: Warning:
    The import of ‘Math.Combinat.Helper’ is redundant
      except perhaps to import instances from ‘Math.Combinat.Helper’
    To import instances alone, use: import Math.Combinat.Helper()

Math/Combinat/Tableaux.hs:30:1: Warning:
    The import of ‘binomial’
    from module ‘Math.Combinat.Numbers’ is redundant

Math/Combinat/Tableaux.hs:85:3: Warning:
    This binding for ‘break’ shadows the existing binding
      imported from ‘Data.List’ at Math/Combinat/Tableaux.hs:27:1-16
      (and originally defined in ‘GHC.List’)

Math/Combinat/Tableaux.hs:87:12: Warning:
    This binding for ‘xs’ shadows the existing binding
      bound at Math/Combinat/Tableaux.hs:83:18

Math/Combinat/Tableaux.hs:105:3: Warning:
    This binding for ‘shape’ shadows the existing binding
      defined at Math/Combinat/Tableaux.hs:48:1

Math/Combinat/Tableaux.hs:111:8: Warning:
    This binding for ‘n’ shadows the existing binding
      bound at Math/Combinat/Tableaux.hs:114:7

Math/Combinat/Tableaux.hs:149:3: Warning:
    This binding for ‘shape’ shadows the existing binding
      defined at Math/Combinat/Tableaux.hs:48:1

Math/Combinat/Tableaux.hs:158:7: Warning:
    This binding for ‘n’ shadows the existing binding
      bound at Math/Combinat/Tableaux.hs:148:27

Math/Combinat/Tableaux.hs:162:34: Warning:
    This binding for ‘shape’ shadows the existing binding
      defined at Math/Combinat/Tableaux.hs:48:1

Math/Combinat/Tableaux.hs:157:3: Warning:
    Pattern match(es) are non-exhaustive
    In an equation for ‘row’:
        Patterns not matched: _ (ghc-prim-0.4.0.0:GHC.Types.I# _) _ []
[18 of 32] Compiling Math.Combinat.Tableaux.GelfandTsetlin.Cone ( Math/Combinat/Tableaux/GelfandTsetlin/Cone.hs, dist/build/Math/Combinat/Tableaux/GelfandTsetlin/Cone.o )

Math/Combinat/Tableaux/GelfandTsetlin/Cone.hs:76:1: Warning:
    The import of ‘Data.Ord’ is redundant
      except perhaps to import instances from ‘Data.Ord’
    To import instances alone, use: import Data.Ord()

Math/Combinat/Tableaux/GelfandTsetlin/Cone.hs:79:1: Warning:
    The import of ‘Control.Monad’ is redundant
      except perhaps to import instances from ‘Control.Monad’
    To import instances alone, use: import Control.Monad()

Math/Combinat/Tableaux/GelfandTsetlin/Cone.hs:118:1: Warning:
    SPECIALISE pragma for non-overloaded function ‘triangularArrayUnsafe’

Math/Combinat/Tableaux/GelfandTsetlin/Cone.hs:123:1: Warning:
    SPECIALISE pragma for non-overloaded function ‘fromTriangularArray’

Math/Combinat/Tableaux/GelfandTsetlin/Cone.hs:143:1: Warning:
    Defined but not used: type constructor or class ‘ReverseTableau’

Math/Combinat/Tableaux/GelfandTsetlin/Cone.hs:152:1: Warning:
    SPECIALISE pragma for non-overloaded function ‘reverseTableau’

Math/Combinat/Tableaux/GelfandTsetlin/Cone.hs:203:5: Warning:
    This binding for ‘last’ shadows the existing binding
      imported from ‘Data.List’ at Math/Combinat/Tableaux/GelfandTsetlin/Cone.hs:77:1-16
      (and originally defined in ‘GHC.List’)
[19 of 32] Compiling Math.Combinat.Partitions.Plane ( Math/Combinat/Partitions/Plane.hs, dist/build/Math/Combinat/Partitions/Plane.o )

Math/Combinat/Partitions/Plane.hs:24:1: Warning:
    The import of ‘Data.List’ is redundant
      except perhaps to import instances from ‘Data.List’
    To import instances alone, use: import Data.List()

Math/Combinat/Partitions/Plane.hs:114:9: Warning:
    This binding for ‘rem’ shadows the existing binding
      imported from ‘Prelude’ at Math/Combinat/Partitions/Plane.hs:20:8-37
      (and originally defined in ‘GHC.Real’)

Math/Combinat/Partitions/Plane.hs:113:5: Warning:
    Pattern match(es) are non-exhaustive
    In an equation for ‘go’:
        Patterns not matched: (ghc-prim-0.4.0.0:GHC.Types.I# _) []
[20 of 32] Compiling Math.Combinat.Numbers.Series ( Math/Combinat/Numbers/Series.hs, dist/build/Math/Combinat/Numbers/Series.o )

Math/Combinat/Numbers/Series.hs:187:8: Warning:
    This binding for ‘a1’ shadows the existing binding
      bound at Math/Combinat/Numbers/Series.hs:194:5

Math/Combinat/Numbers/Series.hs:236:45: Warning:
    Defaulting the following constraint(s) to type ‘Integer’
      (Enum a0)
        arising from the arithmetic sequence ‘0 .. ’
        at Math/Combinat/Numbers/Series.hs:236:45-49
      (Integral a0)
        arising from a use of ‘catalan’
        at Math/Combinat/Numbers/Series.hs:236:29-35
      (Num a0)
        arising from the literal ‘0’
        at Math/Combinat/Numbers/Series.hs:236:46
    In the expression: [0 .. ]
    In a stmt of a list comprehension: i <- [0 .. ]
    In the expression: [fromInteger (catalan i) | i <- [0 .. ]]

Math/Combinat/Numbers/Series.hs:269:13: Warning:
    This binding for ‘ks’ shadows the existing binding
      bound at Math/Combinat/Numbers/Series.hs:266:24

Math/Combinat/Numbers/Series.hs:366:13: Warning:
    This binding for ‘ks’ shadows the existing binding
      bound at Math/Combinat/Numbers/Series.hs:362:21

Math/Combinat/Numbers/Series.hs:366:17: Warning:
    This binding for ‘ys’ shadows the existing binding
      bound at Math/Combinat/Numbers/Series.hs:364:3

Math/Combinat/Numbers/Series.hs:435:17: Warning:
    This binding for ‘aks’ shadows the existing binding
      bound at Math/Combinat/Numbers/Series.hs:431:22

Math/Combinat/Numbers/Series.hs:435:22: Warning:
    This binding for ‘ys’ shadows the existing binding
      bound at Math/Combinat/Numbers/Series.hs:433:3

Math/Combinat/Numbers/Series.hs:461:17: Warning:
    This binding for ‘aks’ shadows the existing binding
      bound at Math/Combinat/Numbers/Series.hs:457:27

Math/Combinat/Numbers/Series.hs:461:22: Warning:
    This binding for ‘ys’ shadows the existing binding
      bound at Math/Combinat/Numbers/Series.hs:459:3
[21 of 32] Compiling Math.Combinat.Partitions.Skew ( Math/Combinat/Partitions/Skew.hs, dist/build/Math/Combinat/Partitions/Skew.o )

Math/Combinat/Partitions/Skew.hs:30:39: Warning:
    This binding for ‘abs’ shadows the existing binding
      imported from ‘Prelude’ at Math/Combinat/Partitions/Skew.hs:8:8-36
      (and originally defined in ‘GHC.Num’)

Math/Combinat/Partitions/Skew.hs:59:62: Warning:
    This binding for ‘abs’ shadows the existing binding
      imported from ‘Prelude’ at Math/Combinat/Partitions/Skew.hs:8:8-36
      (and originally defined in ‘GHC.Num’)
[22 of 32] Compiling Math.Combinat.Tableaux.Skew ( Math/Combinat/Tableaux/Skew.hs, dist/build/Math/Combinat/Tableaux/Skew.o )

Math/Combinat/Tableaux/Skew.hs:14:1: Warning:
    The import of ‘Math.Combinat.Tableaux’ is redundant
      except perhaps to import instances from ‘Math.Combinat.Tableaux’
    To import instances alone, use: import Math.Combinat.Tableaux()

Math/Combinat/Tableaux/Skew.hs:30:43: Warning:
    This binding for ‘abs’ shadows the existing binding
      imported from ‘Prelude’ at Math/Combinat/Tableaux/Skew.hs:6:8-34
      (and originally defined in ‘GHC.Num’)

Math/Combinat/Tableaux/Skew.hs:38:13: Warning:
    This binding for ‘as’ shadows the existing binding
      bound at Math/Combinat/Tableaux/Skew.hs:33:4

Math/Combinat/Tableaux/Skew.hs:38:20: Warning:
    This binding for ‘bs’ shadows the existing binding
      bound at Math/Combinat/Tableaux/Skew.hs:33:7

Math/Combinat/Tableaux/Skew.hs:38:27: Warning:
    This binding for ‘ds’ shadows the existing binding
      bound at Math/Combinat/Tableaux/Skew.hs:34:3

Math/Combinat/Tableaux/Skew.hs:47:17: Warning:
    This binding for ‘as’ shadows the existing binding
      bound at Math/Combinat/Tableaux/Skew.hs:33:4

Math/Combinat/Tableaux/Skew.hs:38:3: Warning:
    Pattern match(es) are non-exhaustive
    In an equation for ‘worker’:
        Patterns not matched:
            (_ : _) [] _ _
            (_ : _) (_ : _) [] _
[23 of 32] Compiling Math.Combinat.Tableaux.GelfandTsetlin ( Math/Combinat/Tableaux/GelfandTsetlin.hs, dist/build/Math/Combinat/Tableaux/GelfandTsetlin.o )

Math/Combinat/Tableaux/GelfandTsetlin.hs:30:1: Warning:
    The import of ‘Data.Monoid’ is redundant
      except perhaps to import instances from ‘Data.Monoid’
    To import instances alone, use: import Data.Monoid()

Math/Combinat/Tableaux/GelfandTsetlin.hs:31:1: Warning:
    The import of ‘Data.Ord’ is redundant
      except perhaps to import instances from ‘Data.Ord’
    To import instances alone, use: import Data.Ord()

Math/Combinat/Tableaux/GelfandTsetlin.hs:59:13: Warning:
    Defaulting the following constraint(s) to type ‘Integer’
      (Num a0) arising from the literal ‘1’
    In the expression: 1
    In the expression:
      [1 | t <- semiStandardYoungTableaux k plambda, cond t]
    In an equation for ‘stuff’:
        stuff = [1 | t <- semiStandardYoungTableaux k plambda, cond t]

Math/Combinat/Tableaux/GelfandTsetlin.hs:309:17: Warning:
    This binding for ‘ns’ shadows the existing binding
      bound at Math/Combinat/Tableaux/GelfandTsetlin.hs:307:38

Math/Combinat/Tableaux/GelfandTsetlin.hs:338:17: Warning:
    This binding for ‘ns’ shadows the existing binding
      bound at Math/Combinat/Tableaux/GelfandTsetlin.hs:336:42

Math/Combinat/Tableaux/GelfandTsetlin.hs:185:5: Warning:
    Pattern match(es) are non-exhaustive
    In an equation for ‘worker’:
        Patterns not matched:
            (_ : (_ : _)) [] _ _ _
            (_ : (_ : _)) (_ : _) [] _ _
            (_ : (_ : _)) (_ : _) (_ : _) [] _

Math/Combinat/Tableaux/GelfandTsetlin.hs:240:5: Warning:
    Pattern match(es) are non-exhaustive
    In an equation for ‘worker’:
        Patterns not matched:
            (_ : (_ : _)) [] _ _
            (_ : (_ : _)) (_ : _) [] _
            (_ : (_ : _)) (_ : _) (_ : _) []
[24 of 32] Compiling Math.Combinat.Tableaux.LittlewoodRichardson ( Math/Combinat/Tableaux/LittlewoodRichardson.hs, dist/build/Math/Combinat/Tableaux/LittlewoodRichardson.o )
[25 of 32] Compiling Math.Combinat.Partitions.Set ( Math/Combinat/Partitions/Set.hs, dist/build/Math/Combinat/Partitions/Set.o )

Math/Combinat/Partitions/Set.hs:15:1: Warning:
    The import of ‘System.Random’ is redundant
      except perhaps to import instances from ‘System.Random’
    To import instances alone, use: import System.Random()

Math/Combinat/Partitions/Set.hs:31:8: Warning:
    This binding for ‘xs’ shadows the existing binding
      bound at Math/Combinat/Partitions/Set.hs:30:10

Math/Combinat/Partitions/Set.hs:83:7: Warning:
    This binding for ‘k’ shadows the existing binding
      bound at Math/Combinat/Partitions/Set.hs:81:30

Math/Combinat/Partitions/Set.hs:85:7: Warning:
    This binding for ‘k’ shadows the existing binding
      bound at Math/Combinat/Partitions/Set.hs:81:30
[26 of 32] Compiling Math.Combinat.Trees.Binary ( Math/Combinat/Trees/Binary.hs, dist/build/Math/Combinat/Trees/Binary.o )

Math/Combinat/Trees/Binary.hs:58:1: Warning:
    The import of ‘Control.Applicative’ is redundant
      except perhaps to import instances from ‘Control.Applicative’
    To import instances alone, use: import Control.Applicative()

Math/Combinat/Trees/Binary.hs:59:1: Warning:
    The import of ‘Control.Monad’ is redundant
      except perhaps to import instances from ‘Control.Monad’
    To import instances alone, use: import Control.Monad()

Math/Combinat/Trees/Binary.hs:66:1: Warning:
    The import of ‘Data.List’ is redundant
      except perhaps to import instances from ‘Data.List’
    To import instances alone, use: import Data.List()

Math/Combinat/Trees/Binary.hs:67:1: Warning:
    The import item ‘Forest(..)’ suggests that
    ‘Forest’ has (in-scope) constructors or class methods,
    but it has none

Math/Combinat/Trees/Binary.hs:69:1: Warning:
    The import of ‘Data.Monoid’ is redundant
      except perhaps to import instances from ‘Data.Monoid’
    To import instances alone, use: import Data.Monoid()

Math/Combinat/Trees/Binary.hs:70:1: Warning:
    The import of ‘Data.Foldable’ is redundant
      except perhaps to import instances from ‘Data.Foldable’
    To import instances alone, use: import Data.Foldable()

Math/Combinat/Trees/Binary.hs:71:1: Warning:
    The import of ‘Data.Traversable’ is redundant
      except perhaps to import instances from ‘Data.Traversable’
    To import instances alone, use: import Data.Traversable()

Math/Combinat/Trees/Binary.hs:75:1: Warning:
    The import of ‘factorial’
    from module ‘Math.Combinat.Numbers’ is redundant

Math/Combinat/Trees/Binary.hs:192:17: Warning:
    This binding for ‘ps’ shadows the existing binding
      bound at Math/Combinat/Trees/Binary.hs:185:27

Math/Combinat/Trees/Binary.hs:194:31: Warning:
    This binding for ‘ps’ shadows the existing binding
      bound at Math/Combinat/Trees/Binary.hs:185:27

Math/Combinat/Trees/Binary.hs:210:17: Warning:
    This binding for ‘ps’ shadows the existing binding
      bound at Math/Combinat/Trees/Binary.hs:203:31

Math/Combinat/Trees/Binary.hs:212:31: Warning:
    This binding for ‘ps’ shadows the existing binding
      bound at Math/Combinat/Trees/Binary.hs:203:31

Math/Combinat/Trees/Binary.hs:264:3: Warning:
    This binding for ‘next’ shadows the existing binding
      imported from ‘System.Random’ at Math/Combinat/Trees/Binary.hs:73:1-20

Math/Combinat/Trees/Binary.hs:270:1: Warning: Tab character

Math/Combinat/Trees/Binary.hs:271:1: Warning: Tab character

Math/Combinat/Trees/Binary.hs:272:1: Warning: Tab character

Math/Combinat/Trees/Binary.hs:273:1: Warning: Tab character

Math/Combinat/Trees/Binary.hs:281:1: Warning: Tab character

Math/Combinat/Trees/Binary.hs:282:1: Warning: Tab character

Math/Combinat/Trees/Binary.hs:283:1: Warning: Tab character

Math/Combinat/Trees/Binary.hs:284:1: Warning: Tab character

Math/Combinat/Trees/Binary.hs:295:11: Warning:
    This binding for ‘rnd’ shadows the existing binding
      bound at Math/Combinat/Trees/Binary.hs:290:23

Math/Combinat/Trees/Binary.hs:296:11: Warning:
    This binding for ‘rnd’ shadows the existing binding
      bound at Math/Combinat/Trees/Binary.hs:290:23

Math/Combinat/Trees/Binary.hs:369:10: Warning:
    This binding for ‘rnd’ shadows the existing binding
      bound at Math/Combinat/Trees/Binary.hs:358:23

Math/Combinat/Trees/Binary.hs:401:5: Warning:
    Defined but not used: ‘w2’

Math/Combinat/Trees/Binary.hs:277:3: Warning:
    Pattern match(es) are overlapped
    In an equation for ‘findj’: findj _ _ = ...
[27 of 32] Compiling Math.Combinat.LatticePaths ( Math/Combinat/LatticePaths.hs, dist/build/Math/Combinat/LatticePaths.o )

Math/Combinat/LatticePaths.hs:66:15: Warning:
    Defaulting the following constraint(s) to type ‘Integer’
      (Num a0)
        arising from a use of ‘go’
        at Math/Combinat/LatticePaths.hs:66:15-16
      (Ord a0)
        arising from a use of ‘go’
        at Math/Combinat/LatticePaths.hs:66:15-16
    In the expression: go 0
    In an equation for ‘isValidPath’:
        isValidPath
          = go 0
          where
              go !y [] = y >= 0
              go !y (t : ts) = let ... in if y' < 0 then False else go y' ts

Math/Combinat/LatticePaths.hs:74:14: Warning:
    Defaulting the following constraint(s) to type ‘Integer’
      (Num a0)
        arising from a use of ‘go’
        at Math/Combinat/LatticePaths.hs:74:14-15
      (Ord a0)
        arising from a use of ‘go’
        at Math/Combinat/LatticePaths.hs:74:14-15
    In the expression: go 0
    In an equation for ‘isDyckPath’:
        isDyckPath
          = go 0
          where
              go !y [] = y == 0
              go !y (t : ts) = let ... in if y' < 0 then False else go y' ts

Math/Combinat/LatticePaths.hs:141:26: Warning:
    Defaulting the following constraint(s) to type ‘Integer’
      (Num a0) arising from a use of ‘go’
    In the expression: go 0 0 0
    In an equation for ‘pathNumberOfTouches'’:
        pathNumberOfTouches' h
          = go 0 0 0
          where
              go !cnt _ _ [] = cnt
              go !cnt !x !y (t : ts) = let ... in go cnt' (x + 1) y' ts

Math/Combinat/LatticePaths.hs:244:11: Warning:
    This binding for ‘x’ shadows the existing binding
      bound at Math/Combinat/LatticePaths.hs:243:20

Math/Combinat/LatticePaths.hs:244:14: Warning:
    This binding for ‘y’ shadows the existing binding
      bound at Math/Combinat/LatticePaths.hs:243:22

Math/Combinat/LatticePaths.hs:344:19: Warning:
    This binding for ‘m’ shadows the existing binding
      bound at Math/Combinat/LatticePaths.hs:333:14
[28 of 32] Compiling Math.Combinat.Partitions.NonCrossing ( Math/Combinat/Partitions/NonCrossing.hs, dist/build/Math/Combinat/Partitions/NonCrossing.o )

Math/Combinat/Partitions/NonCrossing.hs:22:1: Warning:
    The import of ‘Control.Applicative’ is redundant
      except perhaps to import instances from ‘Control.Applicative’
    To import instances alone, use: import Control.Applicative()

Math/Combinat/Partitions/NonCrossing.hs:29:1: Warning:
    The import of ‘Math.Combinat.Numbers’ is redundant
      except perhaps to import instances from ‘Math.Combinat.Numbers’
    To import instances alone, use: import Math.Combinat.Numbers()

Math/Combinat/Partitions/NonCrossing.hs:64:8: Warning:
    This binding for ‘xs’ shadows the existing binding
      bound at Math/Combinat/Partitions/NonCrossing.hs:63:10
[29 of 32] Compiling Math.Combinat.Trees.Nary ( Math/Combinat/Trees/Nary.hs, dist/build/Math/Combinat/Trees/Nary.o )

Math/Combinat/Trees/Nary.hs:64:1: Warning:
    The import of ‘Data.Traversable’ is redundant
      except perhaps to import instances from ‘Data.Traversable’
    To import instances alone, use: import Data.Traversable()

Math/Combinat/Trees/Nary.hs:69:1: Warning:
    The import of ‘factorial’
    from module ‘Math.Combinat.Numbers’ is redundant

Math/Combinat/Trees/Nary.hs:140:8: Warning:
    This binding for ‘n’ shadows the existing binding
      bound at Math/Combinat/Trees/Nary.hs:132:24

Math/Combinat/Trees/Nary.hs:181:3: Warning:
    Pattern match(es) are non-exhaustive
    In an equation for ‘f’: Patterns not matched: _ _ []

Math/Combinat/Trees/Nary.hs:203:3: Warning:
    Pattern match(es) are non-exhaustive
    In an equation for ‘f’: Patterns not matched: _ _ _ []

Math/Combinat/Trees/Nary.hs:224:3: Warning:
    Pattern match(es) are non-exhaustive
    In an equation for ‘f’: Patterns not matched: _ _ []
[30 of 32] Compiling Math.Combinat.Trees ( Math/Combinat/Trees.hs, dist/build/Math/Combinat/Trees.o )
[31 of 32] Compiling Math.Combinat.FreeGroups ( Math/Combinat/FreeGroups.hs, dist/build/Math/Combinat/FreeGroups.o )

Math/Combinat/FreeGroups.hs:46:13:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Math.Combinat.FreeGroups.Word’,
                             defined at Math/Combinat/FreeGroups.hs:36:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Math/Combinat/FreeGroups.hs:6:8-31
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)

Math/Combinat/FreeGroups.hs:65:16:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Math.Combinat.FreeGroups.Word’,
                             defined at Math/Combinat/FreeGroups.hs:36:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Math/Combinat/FreeGroups.hs:6:8-31
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)

Math/Combinat/FreeGroups.hs:65:26:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Math.Combinat.FreeGroups.Word’,
                             defined at Math/Combinat/FreeGroups.hs:36:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Math/Combinat/FreeGroups.hs:6:8-31
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)

Math/Combinat/FreeGroups.hs:73:7:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Math.Combinat.FreeGroups.Word’,
                             defined at Math/Combinat/FreeGroups.hs:36:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Math/Combinat/FreeGroups.hs:6:8-31
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)

Math/Combinat/FreeGroups.hs:86:7:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Math.Combinat.FreeGroups.Word’,
                             defined at Math/Combinat/FreeGroups.hs:36:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Math/Combinat/FreeGroups.hs:6:8-31
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)

Math/Combinat/FreeGroups.hs:118:12:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Math.Combinat.FreeGroups.Word’,
                             defined at Math/Combinat/FreeGroups.hs:36:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Math/Combinat/FreeGroups.hs:6:8-31
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)

Math/Combinat/FreeGroups.hs:127:12:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Math.Combinat.FreeGroups.Word’,
                             defined at Math/Combinat/FreeGroups.hs:36:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Math/Combinat/FreeGroups.hs:6:8-31
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)

Math/Combinat/FreeGroups.hs:139:25:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Math.Combinat.FreeGroups.Word’,
                             defined at Math/Combinat/FreeGroups.hs:36:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Math/Combinat/FreeGroups.hs:6:8-31
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)

Math/Combinat/FreeGroups.hs:139:35:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Math.Combinat.FreeGroups.Word’,
                             defined at Math/Combinat/FreeGroups.hs:36:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Math/Combinat/FreeGroups.hs:6:8-31
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)

Math/Combinat/FreeGroups.hs:139:45:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Math.Combinat.FreeGroups.Word’,
                             defined at Math/Combinat/FreeGroups.hs:36:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Math/Combinat/FreeGroups.hs:6:8-31
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)

Math/Combinat/FreeGroups.hs:146:27:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Math.Combinat.FreeGroups.Word’,
                             defined at Math/Combinat/FreeGroups.hs:36:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Math/Combinat/FreeGroups.hs:6:8-31
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)

Math/Combinat/FreeGroups.hs:146:37:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Math.Combinat.FreeGroups.Word’,
                             defined at Math/Combinat/FreeGroups.hs:36:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Math/Combinat/FreeGroups.hs:6:8-31
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)

Math/Combinat/FreeGroups.hs:153:25:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Math.Combinat.FreeGroups.Word’,
                             defined at Math/Combinat/FreeGroups.hs:36:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Math/Combinat/FreeGroups.hs:6:8-31
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)

Math/Combinat/FreeGroups.hs:153:42:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Math.Combinat.FreeGroups.Word’,
                             defined at Math/Combinat/FreeGroups.hs:36:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Math/Combinat/FreeGroups.hs:6:8-31
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)

Math/Combinat/FreeGroups.hs:202:23:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Math.Combinat.FreeGroups.Word’,
                             defined at Math/Combinat/FreeGroups.hs:36:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Math/Combinat/FreeGroups.hs:6:8-31
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)

Math/Combinat/FreeGroups.hs:202:33:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Math.Combinat.FreeGroups.Word’,
                             defined at Math/Combinat/FreeGroups.hs:36:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Math/Combinat/FreeGroups.hs:6:8-31
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)

Math/Combinat/FreeGroups.hs:202:43:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Math.Combinat.FreeGroups.Word’,
                             defined at Math/Combinat/FreeGroups.hs:36:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Math/Combinat/FreeGroups.hs:6:8-31
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)

Math/Combinat/FreeGroups.hs:206:23:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Math.Combinat.FreeGroups.Word’,
                             defined at Math/Combinat/FreeGroups.hs:36:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Math/Combinat/FreeGroups.hs:6:8-31
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)

Math/Combinat/FreeGroups.hs:206:33:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Math.Combinat.FreeGroups.Word’,
                             defined at Math/Combinat/FreeGroups.hs:36:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Math/Combinat/FreeGroups.hs:6:8-31
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)

Math/Combinat/FreeGroups.hs:206:43:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Math.Combinat.FreeGroups.Word’,
                             defined at Math/Combinat/FreeGroups.hs:36:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Math/Combinat/FreeGroups.hs:6:8-31
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)

Math/Combinat/FreeGroups.hs:210:30:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Math.Combinat.FreeGroups.Word’,
                             defined at Math/Combinat/FreeGroups.hs:36:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Math/Combinat/FreeGroups.hs:6:8-31
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)

Math/Combinat/FreeGroups.hs:210:40:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Math.Combinat.FreeGroups.Word’,
                             defined at Math/Combinat/FreeGroups.hs:36:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Math/Combinat/FreeGroups.hs:6:8-31
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)

Math/Combinat/FreeGroups.hs:210:50:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Math.Combinat.FreeGroups.Word’,
                             defined at Math/Combinat/FreeGroups.hs:36:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Math/Combinat/FreeGroups.hs:6:8-31
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)

Math/Combinat/FreeGroups.hs:217:25:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Math.Combinat.FreeGroups.Word’,
                             defined at Math/Combinat/FreeGroups.hs:36:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Math/Combinat/FreeGroups.hs:6:8-31
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)

Math/Combinat/FreeGroups.hs:217:35:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Math.Combinat.FreeGroups.Word’,
                             defined at Math/Combinat/FreeGroups.hs:36:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Math/Combinat/FreeGroups.hs:6:8-31
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)

Math/Combinat/FreeGroups.hs:223:25:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Math.Combinat.FreeGroups.Word’,
                             defined at Math/Combinat/FreeGroups.hs:36:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Math/Combinat/FreeGroups.hs:6:8-31
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)

Math/Combinat/FreeGroups.hs:223:42:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Math.Combinat.FreeGroups.Word’,
                             defined at Math/Combinat/FreeGroups.hs:36:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Math/Combinat/FreeGroups.hs:6:8-31
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)

Math/Combinat/FreeGroups.hs:235:25:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Math.Combinat.FreeGroups.Word’,
                             defined at Math/Combinat/FreeGroups.hs:36:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Math/Combinat/FreeGroups.hs:6:8-31
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)

Math/Combinat/FreeGroups.hs:235:35:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Math.Combinat.FreeGroups.Word’,
                             defined at Math/Combinat/FreeGroups.hs:36:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Math/Combinat/FreeGroups.hs:6:8-31
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)

Math/Combinat/FreeGroups.hs:241:25:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Math.Combinat.FreeGroups.Word’,
                             defined at Math/Combinat/FreeGroups.hs:36:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Math/Combinat/FreeGroups.hs:6:8-31
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)

Math/Combinat/FreeGroups.hs:241:42:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Math.Combinat.FreeGroups.Word’,
                             defined at Math/Combinat/FreeGroups.hs:36:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Math/Combinat/FreeGroups.hs:6:8-31
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)

Math/Combinat/FreeGroups.hs:255:32:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Math.Combinat.FreeGroups.Word’,
                             defined at Math/Combinat/FreeGroups.hs:36:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Math/Combinat/FreeGroups.hs:6:8-31
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)

Math/Combinat/FreeGroups.hs:255:42:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Math.Combinat.FreeGroups.Word’,
                             defined at Math/Combinat/FreeGroups.hs:36:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Math/Combinat/FreeGroups.hs:6:8-31
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)

Math/Combinat/FreeGroups.hs:264:25:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Math.Combinat.FreeGroups.Word’,
                             defined at Math/Combinat/FreeGroups.hs:36:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Math/Combinat/FreeGroups.hs:6:8-31
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)

Math/Combinat/FreeGroups.hs:264:42:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Math.Combinat.FreeGroups.Word’,
                             defined at Math/Combinat/FreeGroups.hs:36:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Math/Combinat/FreeGroups.hs:6:8-31
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)

Math/Combinat/FreeGroups.hs:274:33:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Math.Combinat.FreeGroups.Word’,
                             defined at Math/Combinat/FreeGroups.hs:36:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Math/Combinat/FreeGroups.hs:6:8-31
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)

Math/Combinat/FreeGroups.hs:274:55:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Math.Combinat.FreeGroups.Word’,
                             defined at Math/Combinat/FreeGroups.hs:36:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Math/Combinat/FreeGroups.hs:6:8-31
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)

Math/Combinat/FreeGroups.hs:280:29:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Math.Combinat.FreeGroups.Word’,
                             defined at Math/Combinat/FreeGroups.hs:36:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Math/Combinat/FreeGroups.hs:6:8-31
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)

Math/Combinat/FreeGroups.hs:280:45:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Math.Combinat.FreeGroups.Word’,
                             defined at Math/Combinat/FreeGroups.hs:36:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Math/Combinat/FreeGroups.hs:6:8-31
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)
Failed to install combinat-0.2.7.1
cabal: Error: some packages failed to install:
combinat-0.2.7.1 failed during the building phase. The exception was:
ExitFailure 1