Build #3 for ghc-core-0.1

[all reports]

Package ghc-core-0.1
Install BuildFailed
Docs NotTried
Tests NotTried
Time submitted 2015-10-09 00:54:27.782571 UTC
Compiler ghc-7.10.2
OS linux
Arch x86_64
Dependencies process-1.2.3.0, pcre-light-0.4.0.3, hscolour-1.23, filepath-1.4.0.0, directory-1.2.2.0, base-4.8.1.0
Flags none

Code Coverage

No Code Coverage was submitted for this report.

Build log

[view raw]

Resolving dependencies...
Configuring hscolour-1.23...
Building hscolour-1.23...
Preprocessing library hscolour-1.23...
[ 1 of 16] Compiling Language.Haskell.HsColour.General ( Language/Haskell/HsColour/General.hs, dist/build/Language/Haskell/HsColour/General.o )
[ 2 of 16] Compiling Language.Haskell.HsColour.Classify ( Language/Haskell/HsColour/Classify.hs, dist/build/Language/Haskell/HsColour/Classify.o )

Language/Haskell/HsColour/Classify.hs:52:18: Warning: Tab character

Language/Haskell/HsColour/Classify.hs:56:50: Warning: Tab character

Language/Haskell/HsColour/Classify.hs:100:39: Warning:
    Tab character
[ 3 of 16] Compiling Language.Haskell.HsColour.Anchors ( Language/Haskell/HsColour/Anchors.hs, dist/build/Language/Haskell/HsColour/Anchors.o )

Language/Haskell/HsColour/Anchors.hs:73:1: Warning: Tab character

Language/Haskell/HsColour/Anchors.hs:74:1: Warning: Tab character

Language/Haskell/HsColour/Anchors.hs:74:34: Warning: Tab character

Language/Haskell/HsColour/Anchors.hs:99:30: Warning: Tab character

Language/Haskell/HsColour/Anchors.hs:104:41: Warning: Tab character
[ 4 of 16] Compiling Language.Haskell.HsColour.ColourHighlight ( Language/Haskell/HsColour/ColourHighlight.hs, dist/build/Language/Haskell/HsColour/ColourHighlight.o )
[ 5 of 16] Compiling Language.Haskell.HsColour.Output ( Language/Haskell/HsColour/Output.hs, dist/build/Language/Haskell/HsColour/Output.o )
[ 6 of 16] Compiling Language.Haskell.HsColour.ANSI ( Language/Haskell/HsColour/ANSI.hs, dist/build/Language/Haskell/HsColour/ANSI.o )

Language/Haskell/HsColour/ANSI.hs:62:10: Warning:
    No explicit implementation for
      ‘toEnum’
    In the instance declaration for ‘Enum Highlight’
[ 7 of 16] Compiling Language.Haskell.HsColour.Options ( Language/Haskell/HsColour/Options.hs, dist/build/Language/Haskell/HsColour/Options.o )

Language/Haskell/HsColour/Options.hs:11:9: Warning: Tab character

Language/Haskell/HsColour/Options.hs:12:12: Warning: Tab character

Language/Haskell/HsColour/Options.hs:13:16: Warning: Tab character

Language/Haskell/HsColour/Options.hs:14:18: Warning: Tab character

Language/Haskell/HsColour/Options.hs:15:13: Warning: Tab character

Language/Haskell/HsColour/Options.hs:16:17: Warning: Tab character

Language/Haskell/HsColour/Options.hs:17:17: Warning: Tab character

Language/Haskell/HsColour/Options.hs:18:19: Warning: Tab character

Language/Haskell/HsColour/Options.hs:19:20: Warning: Tab character
[ 8 of 16] Compiling Language.Haskell.HsColour.Colourise ( Language/Haskell/HsColour/Colourise.hs, dist/build/Language/Haskell/HsColour/Colourise.o )
[ 9 of 16] Compiling Language.Haskell.HsColour.TTY ( Language/Haskell/HsColour/TTY.hs, dist/build/Language/Haskell/HsColour/TTY.o )
[10 of 16] Compiling Language.Haskell.HsColour.HTML ( Language/Haskell/HsColour/HTML.hs, dist/build/Language/Haskell/HsColour/HTML.o )
[11 of 16] Compiling Language.Haskell.HsColour.CSS ( Language/Haskell/HsColour/CSS.hs, dist/build/Language/Haskell/HsColour/CSS.o )
[12 of 16] Compiling Language.Haskell.HsColour.ACSS ( Language/Haskell/HsColour/ACSS.hs, dist/build/Language/Haskell/HsColour/ACSS.o )
[13 of 16] Compiling Language.Haskell.HsColour.InlineCSS ( Language/Haskell/HsColour/InlineCSS.hs, dist/build/Language/Haskell/HsColour/InlineCSS.o )

Language/Haskell/HsColour/InlineCSS.hs:12:24: Warning:
    Tab character
[14 of 16] Compiling Language.Haskell.HsColour.LaTeX ( Language/Haskell/HsColour/LaTeX.hs, dist/build/Language/Haskell/HsColour/LaTeX.o )
[15 of 16] Compiling Language.Haskell.HsColour.MIRC ( Language/Haskell/HsColour/MIRC.hs, dist/build/Language/Haskell/HsColour/MIRC.o )
[16 of 16] Compiling Language.Haskell.HsColour ( Language/Haskell/HsColour.hs, dist/build/Language/Haskell/HsColour.o )

Language/Haskell/HsColour.hs:37:19: Warning: Tab character

Language/Haskell/HsColour.hs:92:55: Warning: Tab character

Language/Haskell/HsColour.hs:94:55: Warning: Tab character
In-place registering hscolour-1.23...
Preprocessing executable 'HsColour' for hscolour-1.23...
[ 1 of 17] Compiling Language.Haskell.HsColour.Output ( Language/Haskell/HsColour/Output.hs, dist/build/HsColour/HsColour-tmp/Language/Haskell/HsColour/Output.o )
[ 2 of 17] Compiling Language.Haskell.HsColour.General ( Language/Haskell/HsColour/General.hs, dist/build/HsColour/HsColour-tmp/Language/Haskell/HsColour/General.o )
[ 3 of 17] Compiling Language.Haskell.HsColour.ColourHighlight ( Language/Haskell/HsColour/ColourHighlight.hs, dist/build/HsColour/HsColour-tmp/Language/Haskell/HsColour/ColourHighlight.o )
[ 4 of 17] Compiling Language.Haskell.HsColour.Classify ( Language/Haskell/HsColour/Classify.hs, dist/build/HsColour/HsColour-tmp/Language/Haskell/HsColour/Classify.o )

Language/Haskell/HsColour/Classify.hs:52:18: Warning: Tab character

Language/Haskell/HsColour/Classify.hs:56:50: Warning: Tab character

Language/Haskell/HsColour/Classify.hs:100:39: Warning:
    Tab character
[ 5 of 17] Compiling Language.Haskell.HsColour.Anchors ( Language/Haskell/HsColour/Anchors.hs, dist/build/HsColour/HsColour-tmp/Language/Haskell/HsColour/Anchors.o )

Language/Haskell/HsColour/Anchors.hs:73:1: Warning: Tab character

Language/Haskell/HsColour/Anchors.hs:74:1: Warning: Tab character

Language/Haskell/HsColour/Anchors.hs:74:34: Warning: Tab character

Language/Haskell/HsColour/Anchors.hs:99:30: Warning: Tab character

Language/Haskell/HsColour/Anchors.hs:104:41: Warning: Tab character
[ 6 of 17] Compiling Language.Haskell.HsColour.ANSI ( Language/Haskell/HsColour/ANSI.hs, dist/build/HsColour/HsColour-tmp/Language/Haskell/HsColour/ANSI.o )

Language/Haskell/HsColour/ANSI.hs:62:10: Warning:
    No explicit implementation for
      ‘toEnum’
    In the instance declaration for ‘Enum Highlight’
[ 7 of 17] Compiling Language.Haskell.HsColour.Options ( Language/Haskell/HsColour/Options.hs, dist/build/HsColour/HsColour-tmp/Language/Haskell/HsColour/Options.o )

Language/Haskell/HsColour/Options.hs:11:9: Warning: Tab character

Language/Haskell/HsColour/Options.hs:12:12: Warning: Tab character

Language/Haskell/HsColour/Options.hs:13:16: Warning: Tab character

Language/Haskell/HsColour/Options.hs:14:18: Warning: Tab character

Language/Haskell/HsColour/Options.hs:15:13: Warning: Tab character

Language/Haskell/HsColour/Options.hs:16:17: Warning: Tab character

Language/Haskell/HsColour/Options.hs:17:17: Warning: Tab character

Language/Haskell/HsColour/Options.hs:18:19: Warning: Tab character

Language/Haskell/HsColour/Options.hs:19:20: Warning: Tab character
[ 8 of 17] Compiling Language.Haskell.HsColour.Colourise ( Language/Haskell/HsColour/Colourise.hs, dist/build/HsColour/HsColour-tmp/Language/Haskell/HsColour/Colourise.o )
[ 9 of 17] Compiling Language.Haskell.HsColour.HTML ( Language/Haskell/HsColour/HTML.hs, dist/build/HsColour/HsColour-tmp/Language/Haskell/HsColour/HTML.o )
[10 of 17] Compiling Language.Haskell.HsColour.CSS ( Language/Haskell/HsColour/CSS.hs, dist/build/HsColour/HsColour-tmp/Language/Haskell/HsColour/CSS.o )
[11 of 17] Compiling Language.Haskell.HsColour.ACSS ( Language/Haskell/HsColour/ACSS.hs, dist/build/HsColour/HsColour-tmp/Language/Haskell/HsColour/ACSS.o )
[12 of 17] Compiling Language.Haskell.HsColour.InlineCSS ( Language/Haskell/HsColour/InlineCSS.hs, dist/build/HsColour/HsColour-tmp/Language/Haskell/HsColour/InlineCSS.o )

Language/Haskell/HsColour/InlineCSS.hs:12:24: Warning:
    Tab character
[13 of 17] Compiling Language.Haskell.HsColour.LaTeX ( Language/Haskell/HsColour/LaTeX.hs, dist/build/HsColour/HsColour-tmp/Language/Haskell/HsColour/LaTeX.o )
[14 of 17] Compiling Language.Haskell.HsColour.MIRC ( Language/Haskell/HsColour/MIRC.hs, dist/build/HsColour/HsColour-tmp/Language/Haskell/HsColour/MIRC.o )
[15 of 17] Compiling Language.Haskell.HsColour.TTY ( Language/Haskell/HsColour/TTY.hs, dist/build/HsColour/HsColour-tmp/Language/Haskell/HsColour/TTY.o )
[16 of 17] Compiling Language.Haskell.HsColour ( Language/Haskell/HsColour.hs, dist/build/HsColour/HsColour-tmp/Language/Haskell/HsColour.o )

Language/Haskell/HsColour.hs:37:19: Warning: Tab character

Language/Haskell/HsColour.hs:92:55: Warning: Tab character

Language/Haskell/HsColour.hs:94:55: Warning: Tab character
[17 of 17] Compiling Main             ( HsColour.hs, dist/build/HsColour/HsColour-tmp/Main.o )

HsColour.hs:71:1: Warning: Tab character
Linking dist/build/HsColour/HsColour ...
Running Haddock for hscolour-1.23...
Running hscolour for hscolour-1.23...
Preprocessing library hscolour-1.23...
Preprocessing executable 'HsColour' for hscolour-1.23...
Preprocessing library hscolour-1.23...

Language/Haskell/HsColour/Classify.hs:52:18: Warning: Tab character

Language/Haskell/HsColour/Classify.hs:56:50: Warning: Tab character

Language/Haskell/HsColour/Classify.hs:100:39: Warning:
    Tab character

Language/Haskell/HsColour/Anchors.hs:73:1: Warning: Tab character

Language/Haskell/HsColour/Anchors.hs:74:1: Warning: Tab character

Language/Haskell/HsColour/Anchors.hs:74:34: Warning: Tab character

Language/Haskell/HsColour/Anchors.hs:99:30: Warning: Tab character

Language/Haskell/HsColour/Anchors.hs:104:41: Warning: Tab character

Language/Haskell/HsColour/ANSI.hs:62:10: Warning:
    No explicit implementation for
      ‘toEnum’
    In the instance declaration for ‘Enum Highlight’

Language/Haskell/HsColour/Options.hs:11:9: Warning: Tab character

Language/Haskell/HsColour/Options.hs:12:12: Warning: Tab character

Language/Haskell/HsColour/Options.hs:13:16: Warning: Tab character

Language/Haskell/HsColour/Options.hs:14:18: Warning: Tab character

Language/Haskell/HsColour/Options.hs:15:13: Warning: Tab character

Language/Haskell/HsColour/Options.hs:16:17: Warning: Tab character

Language/Haskell/HsColour/Options.hs:17:17: Warning: Tab character

Language/Haskell/HsColour/Options.hs:18:19: Warning: Tab character

Language/Haskell/HsColour/Options.hs:19:20: Warning: Tab character

Language/Haskell/HsColour/InlineCSS.hs:12:24: Warning:
    Tab character

Language/Haskell/HsColour.hs:37:19: Warning: Tab character

Language/Haskell/HsColour.hs:92:55: Warning: Tab character

Language/Haskell/HsColour.hs:94:55: Warning: Tab character
Haddock coverage:
   0% (  0 /  3) in 'Language.Haskell.HsColour.General'
  Missing documentation for:
    Module header
    dropLast (Language/Haskell/HsColour/General.hs:7)
    dropFirst (Language/Haskell/HsColour/General.hs:13)
  67% (  2 /  3) in 'Language.Haskell.HsColour.Classify'
  Missing documentation for:
    Module header
  50% (  1 /  2) in 'Language.Haskell.HsColour.Anchors'
  Missing documentation for:
    Module header
  88% (  7 /  8) in 'Language.Haskell.HsColour.ColourHighlight'
  Missing documentation for:
    Module header
  33% (  1 /  3) in 'Language.Haskell.HsColour.Output'
  Missing documentation for:
    Module header
    TerminalType (Language/Haskell/HsColour/Output.hs:3)
  37% ( 10 / 27) in 'Language.Haskell.HsColour.ANSI'
  Missing documentation for:
    highlightOnG (Language/Haskell/HsColour/ANSI.hs:91)
    highlightOff (Language/Haskell/HsColour/ANSI.hs:96)
    cleareol (Language/Haskell/HsColour/ANSI.hs:46)
    clearbol (Language/Haskell/HsColour/ANSI.hs:47)
    clearline (Language/Haskell/HsColour/ANSI.hs:48)
    clearDown (Language/Haskell/HsColour/ANSI.hs:49)
    clearUp (Language/Haskell/HsColour/ANSI.hs:50)
    cursorUp (Language/Haskell/HsColour/ANSI.hs:41)
    cursorDown (Language/Haskell/HsColour/ANSI.hs:42)
    cursorLeft (Language/Haskell/HsColour/ANSI.hs:44)
    cursorRight (Language/Haskell/HsColour/ANSI.hs:43)
    savePosition (Language/Haskell/HsColour/ANSI.hs:55)
    restorePosition (Language/Haskell/HsColour/ANSI.hs:56)
    scrollUp (Language/Haskell/HsColour/ANSI.hs:118)
    scrollDown (Language/Haskell/HsColour/ANSI.hs:116)
    lineWrap (Language/Haskell/HsColour/ANSI.hs:122)
    TerminalType (Language/Haskell/HsColour/Output.hs:3)
  50% (  2 /  4) in 'Language.Haskell.HsColour.Options'
  Missing documentation for:
    Module header
    TerminalType (Language/Haskell/HsColour/Output.hs:3)
  67% (  4 /  6) in 'Language.Haskell.HsColour.Colourise'
  Missing documentation for:
    Module header
    defaultColourPrefs (Language/Haskell/HsColour/Colourise.hs:27)
 100% (  3 /  3) in 'Language.Haskell.HsColour.TTY'
  38% (  3 /  8) in 'Language.Haskell.HsColour.HTML'
  Missing documentation for:
    top'n'tail (Language/Haskell/HsColour/HTML.hs:31)
    renderAnchors (Language/Haskell/HsColour/HTML.hs:41)
    renderComment (Language/Haskell/HsColour/HTML.hs:47)
    renderNewLinesAnchors (Language/Haskell/HsColour/HTML.hs:59)
    escape (Language/Haskell/HsColour/HTML.hs:82)
  40% (  2 /  5) in 'Language.Haskell.HsColour.CSS'
  Missing documentation for:
    top'n'tail (Language/Haskell/HsColour/CSS.hs:29)
    renderToken (Language/Haskell/HsColour/CSS.hs:35)
    pre (Language/Haskell/HsColour/CSS.hs:32)
  43% (  3 /  7) in 'Language.Haskell.HsColour.ACSS'
  Missing documentation for:
    AnnMap (Language/Haskell/HsColour/ACSS.hs:24)
    Loc (Language/Haskell/HsColour/ACSS.hs:25)
    breakS (Language/Haskell/HsColour/ACSS.hs:117)
    srcModuleName (Language/Haskell/HsColour/ACSS.hs:107)
  67% (  2 /  3) in 'Language.Haskell.HsColour.InlineCSS'
  Missing documentation for:
    top'n'tail (Language/Haskell/HsColour/InlineCSS.hs:27)
  67% (  2 /  3) in 'Language.Haskell.HsColour.LaTeX'
  Missing documentation for:
    top'n'tail (Language/Haskell/HsColour/LaTeX.hs:15)
 100% (  2 /  2) in 'Language.Haskell.HsColour.MIRC'
 100% (  4 /  4) in 'Language.Haskell.HsColour'
Warning: Language.Haskell.HsColour.Anchors: could not find link destinations for:
    Anchor
Documentation created: dist/doc/html/hscolour/index.html,
dist/doc/html/hscolour/hscolour.txt
Preprocessing executable 'HsColour' for hscolour-1.23...
Creating package registration file:
/tmp/pkgConf-hscolour-1278722862233665123.23
Installing library in
/home/builder/hackage-server/build-cache/tmp-install/lib/x86_64-linux-ghc-7.10.2/hscolour-1.23-EJexJqI9GfgFt4RFwk98PU
Installing executable(s) in
/home/builder/hackage-server/build-cache/tmp-install/bin
Warning: The directory
/home/builder/hackage-server/build-cache/tmp-install/bin is not in the system
search path.
Registering hscolour-1.23...
Installed hscolour-1.23
Configuring pcre-light-0.4.0.3...
Building pcre-light-0.4.0.3...
Preprocessing library pcre-light-0.4.0.3...
[1 of 3] Compiling Text.Regex.PCRE.Light.Base ( dist/build/Text/Regex/PCRE/Light/Base.hs, dist/build/Text/Regex/PCRE/Light/Base.o )
[2 of 3] Compiling Text.Regex.PCRE.Light ( Text/Regex/PCRE/Light.hs, dist/build/Text/Regex/PCRE/Light.o )
[3 of 3] Compiling Text.Regex.PCRE.Light.Char8 ( Text/Regex/PCRE/Light/Char8.hs, dist/build/Text/Regex/PCRE/Light/Char8.o )
In-place registering pcre-light-0.4.0.3...
Running Haddock for pcre-light-0.4.0.3...
Running hscolour for pcre-light-0.4.0.3...
Preprocessing library pcre-light-0.4.0.3...
Preprocessing library pcre-light-0.4.0.3...
Haddock coverage:
  49% ( 47 / 96) in 'Text.Regex.PCRE.Light.Base'
  Missing documentation for:
    PCRE (Text/Regex/PCRE/Light/Base.hsc:120)
    PCREExecOption (Text/Regex/PCRE/Light/Base.hsc:430)
    error_nomatch (Text/Regex/PCRE/Light/Base.hsc:632)
    error_null (Text/Regex/PCRE/Light/Base.hsc:634)
    error_badoption (Text/Regex/PCRE/Light/Base.hsc:636)
    error_badmagic (Text/Regex/PCRE/Light/Base.hsc:638)
    error_unknown_node (Text/Regex/PCRE/Light/Base.hsc:640)
    error_nomemory (Text/Regex/PCRE/Light/Base.hsc:642)
    error_nosubstring (Text/Regex/PCRE/Light/Base.hsc:644)
    error_matchlimit (Text/Regex/PCRE/Light/Base.hsc:646)
    error_callout (Text/Regex/PCRE/Light/Base.hsc:648)
    error_badutf8 (Text/Regex/PCRE/Light/Base.hsc:650)
    error_badutf8_offset (Text/Regex/PCRE/Light/Base.hsc:652)
    error_partial (Text/Regex/PCRE/Light/Base.hsc:654)
    error_badpartial (Text/Regex/PCRE/Light/Base.hsc:656)
    error_internal (Text/Regex/PCRE/Light/Base.hsc:658)
    error_badcount (Text/Regex/PCRE/Light/Base.hsc:660)
    error_dfa_uitem (Text/Regex/PCRE/Light/Base.hsc:662)
    error_dfa_ucond (Text/Regex/PCRE/Light/Base.hsc:664)
    error_dfa_umlimit (Text/Regex/PCRE/Light/Base.hsc:666)
    error_dfa_wssize (Text/Regex/PCRE/Light/Base.hsc:668)
    error_dfa_recurse (Text/Regex/PCRE/Light/Base.hsc:670)
    error_recursionlimit (Text/Regex/PCRE/Light/Base.hsc:672)
    info_options (Text/Regex/PCRE/Light/Base.hsc:666)
    info_size (Text/Regex/PCRE/Light/Base.hsc:668)
    info_capturecount (Text/Regex/PCRE/Light/Base.hsc:670)
    info_backrefmax (Text/Regex/PCRE/Light/Base.hsc:672)
    info_firstbyte (Text/Regex/PCRE/Light/Base.hsc:674)
    info_firstchar (Text/Regex/PCRE/Light/Base.hsc:676)
    info_firsttable (Text/Regex/PCRE/Light/Base.hsc:678)
    info_lastliteral (Text/Regex/PCRE/Light/Base.hsc:680)
    info_nameentrysize (Text/Regex/PCRE/Light/Base.hsc:682)
    info_namecount (Text/Regex/PCRE/Light/Base.hsc:684)
    info_nametable (Text/Regex/PCRE/Light/Base.hsc:686)
    info_default_tables (Text/Regex/PCRE/Light/Base.hsc:690)
    PCREConfig (Text/Regex/PCRE/Light/Base.hsc:689)
    config_utf8 (Text/Regex/PCRE/Light/Base.hsc:691)
    config_newline (Text/Regex/PCRE/Light/Base.hsc:693)
    config_link_size (Text/Regex/PCRE/Light/Base.hsc:695)
    config_posix_malloc_threshold (Text/Regex/PCRE/Light/Base.hsc:697)
    config_match_limit (Text/Regex/PCRE/Light/Base.hsc:699)
    config_stackrecurse (Text/Regex/PCRE/Light/Base.hsc:701)
    config_unicode_properties (Text/Regex/PCRE/Light/Base.hsc:703)
    config_match_limit_recursion (Text/Regex/PCRE/Light/Base.hsc:705)
    extra_study_data (Text/Regex/PCRE/Light/Base.hsc:725)
    extra_match_limit (Text/Regex/PCRE/Light/Base.hsc:727)
    extra_callout_data (Text/Regex/PCRE/Light/Base.hsc:729)
    extra_tables (Text/Regex/PCRE/Light/Base.hsc:731)
    extra_match_limit_recursion (Text/Regex/PCRE/Light/Base.hsc:733)
  95% ( 37 / 39) in 'Text.Regex.PCRE.Light'
  Missing documentation for:
    captureCount (Text/Regex/PCRE/Light.hs:333)
    PCREExecOption (Text/Regex/PCRE/Light/Base.hsc:430)
  97% ( 37 / 38) in 'Text.Regex.PCRE.Light.Char8'
  Missing documentation for:
    PCREExecOption (Text/Regex/PCRE/Light/Base.hsc:430)
Warning: Text.Regex.PCRE.Light.Base: could not find link destinations for:
    PCREExtra
Documentation created: dist/doc/html/pcre-light/index.html,
dist/doc/html/pcre-light/pcre-light.txt
Creating package registration file:
/tmp/pkgConf-pcre-light-0.4.0133535434087755422.3
Installing library in
/home/builder/hackage-server/build-cache/tmp-install/lib/x86_64-linux-ghc-7.10.2/pcre-light-0.4.0.3-J9bYKMfE86x9lEV1P3lTdK
Registering pcre-light-0.4.0.3...
Installed pcre-light-0.4.0.3
Configuring ghc-core-0.1...
Building ghc-core-0.1...
Preprocessing executable 'ghc-core' for ghc-core-0.1...
[1 of 1] Compiling Main             ( ghc-core.hs, dist/build/ghc-core/ghc-core-tmp/Main.o )

ghc-core.hs:77:14:
    Ambiguous occurrence ‘readProcess’
    It could refer to either ‘Main.readProcess’,
                             defined at ghc-core.hs:176:1
                          or ‘System.Process.readProcess’,
                             imported from ‘System.Process’ at ghc-core.hs:35:1-21

ghc-core.hs:85:29:
    Ambiguous occurrence ‘defaultColourPrefs’
    It could refer to either ‘Main.defaultColourPrefs’,
                             defined at ghc-core.hs:48:1
                          or ‘Language.Haskell.HsColour.Colourise.defaultColourPrefs’,
                             imported from ‘Language.Haskell.HsColour.Colourise’ at ghc-core.hs:42:1-42

ghc-core.hs:156:10:
    Ambiguous occurrence ‘readProcess’
    It could refer to either ‘Main.readProcess’,
                             defined at ghc-core.hs:176:1
                          or ‘System.Process.readProcess’,
                             imported from ‘System.Process’ at ghc-core.hs:35:1-21

ghc-core.hs:200:14:
    Not in scope: data constructor ‘C.ExitException’
    Perhaps you meant one of these:
      ‘C.SomeException’ (imported from Control.Exception),
      variable ‘C.mapException’ (imported from Control.Exception),
      variable ‘C.onException’ (imported from Control.Exception)
Failed to install ghc-core-0.1
cabal: Error: some packages failed to install:
ghc-core-0.1 failed during the building phase. The exception was:
ExitFailure 1