Resolving dependencies...
Configuring mtl-2.2.1...
Configuring call-stack-0.1.0...
Building call-stack-0.1.0...
Building mtl-2.2.1...
Installed call-stack-0.1.0
Configuring old-locale-1.0.0.7...
Building old-locale-1.0.0.7...
Configuring parallel-3.2.1.0...
Installed old-locale-1.0.0.7
Building parallel-3.2.1.0...
Configuring text-1.2.2.1...
Installed mtl-2.2.1
Building text-1.2.2.1...
Configuring utf8-string-1.0.1.1...
Installed parallel-3.2.1.0
Building utf8-string-1.0.1.1...
Configuring HUnit-1.5.0.0...
Installed utf8-string-1.0.1.1
Building HUnit-1.5.0.0...
Configuring old-time-1.1.0.3...
Installed HUnit-1.5.0.0
Building old-time-1.1.0.3...
Configuring mtlparse-0.1.4.0...
Installed old-time-1.1.0.3
Building mtlparse-0.1.4.0...
Installed text-1.2.2.1
Configuring air-2015.5.4...
Building air-2015.5.4...
Configuring parsec-3.1.11...
Installed mtlparse-0.1.4.0
Building parsec-3.1.11...
Configuring regexpr-0.5.4...
Installed air-2015.5.4
Building regexpr-0.5.4...
Installed regexpr-0.5.4
Installed parsec-3.1.11
Configuring air-extra-2011.6.11...
Building air-extra-2011.6.11...
Failed to install air-extra-2011.6.11
Build log ( /home/builder/.cabal/logs/air-extra-2011.6.11.log ):
cabal: Entering directory '/tmp/cabal-tmp-9176/air-extra-2011.6.11'
Warning: air-extra.cabal: Unknown fields: build-depends (line 9)
Fields allowed in this section:
name, version, cabal-version, build-type, license, license-file,
license-files, copyright, maintainer, stability, homepage,
package-url, bug-reports, synopsis, description, category, author,
tested-with, data-files, data-dir, extra-source-files,
extra-tmp-files, extra-doc-files
Configuring air-extra-2011.6.11...
Building air-extra-2011.6.11...
Preprocessing library air-extra-2011.6.11...
[1 of 3] Compiling Air.Heavy        ( src/Air/Heavy.hs, dist/build/Air/Heavy.o )

src/Air/Heavy.hs:8:1: warning: [-Wunused-imports]
    The qualified import of ‘Data.ByteString.Lazy.Char8’ is redundant
      except perhaps to import instances from ‘Data.ByteString.Lazy.Char8’
    To import instances alone, use: import Data.ByteString.Lazy.Char8()

src/Air/Heavy.hs:27:7: warning: [-Wunused-do-bind]
    A do-notation statement discarded a result of type ‘Char’
    Suppress this warning by saying ‘_ <- char '&'’

src/Air/Heavy.hs:28:7: warning: [-Wunused-do-bind]
    A do-notation statement discarded a result of type ‘Char’
    Suppress this warning by saying ‘_ <- char '#'’

src/Air/Heavy.hs:30:7: warning: [-Wunused-do-bind]
    A do-notation statement discarded a result of type ‘Char’
    Suppress this warning by saying ‘_ <- char ';'’
[2 of 3] Compiling Air.Extra        ( src/Air/Extra.hs, dist/build/Air/Extra.o )

src/Air/Extra.hs:127:26: error:
    Ambiguous occurrence ‘defaultTimeLocale’
    It could refer to either ‘Data.Time.defaultTimeLocale’,
                             imported from ‘Data.Time’ at src/Air/Extra.hs:7:1-16
                             (and originally defined in ‘time-1.6.0.1:Data.Time.Format.Locale’)
                          or ‘System.Locale.defaultTimeLocale’,
                             imported from ‘System.Locale’ at src/Air/Extra.hs:14:23-39

src/Air/Extra.hs:133:23: error:
    Ambiguous occurrence ‘defaultTimeLocale’
    It could refer to either ‘Data.Time.defaultTimeLocale’,
                             imported from ‘Data.Time’ at src/Air/Extra.hs:7:1-16
                             (and originally defined in ‘time-1.6.0.1:Data.Time.Format.Locale’)
                          or ‘System.Locale.defaultTimeLocale’,
                             imported from ‘System.Locale’ at src/Air/Extra.hs:14:23-39
cabal: Leaving directory '/tmp/cabal-tmp-9176/air-extra-2011.6.11'
cabal: Error: some packages failed to install:
air-extra-2011.6.11 failed during the building phase. The exception was:
ExitFailure 1