Resolving dependencies...
Configuring List-0.5.2...
Configuring fgl-5.5.3.0...
Building List-0.5.2...
Building fgl-5.5.3.0...
Installed List-0.5.2
Configuring mtl-2.2.1...
Building mtl-2.2.1...
Configuring utf8-string-1.0.1.1...
Installed mtl-2.2.1
Building utf8-string-1.0.1.1...
Configuring text-1.2.2.1...
Installed fgl-5.5.3.0
Building text-1.2.2.1...
Configuring regex-base-0.93.2...
Installed utf8-string-1.0.1.1
Building regex-base-0.93.2...
Installed regex-base-0.93.2
Configuring regex-posix-0.95.2...
Building regex-posix-0.95.2...
Installed regex-posix-0.95.2
Configuring regex-compat-0.95.1...
Building regex-compat-0.95.1...
Installed regex-compat-0.95.1
Installed text-1.2.2.1
Configuring hexpat-0.20.9...
Building hexpat-0.20.9...
Installed hexpat-0.20.9
Downloading hub-1.4.0...
Configuring hub-1.4.0...
Building hub-1.4.0...
Failed to install hub-1.4.0
Build log ( /home/builder/.cabal/logs/hub-1.4.0.log ):
cabal: Entering directory '/tmp/cabal-tmp-20023/hub-1.4.0'
Configuring hub-1.4.0...
Building hub-1.4.0...
Preprocessing executable 'hub' for hub-1.4.0...
[ 1 of 16] Compiling Hub.Prog         ( Hub/Prog.hs, dist/build/hub/hub-tmp/Hub/Prog.o )
[ 2 of 16] Compiling Hub.Poss         ( Hub/Poss.hs, dist/build/hub/hub-tmp/Hub/Poss.o )

Hub/Poss.hs:15:1: warning: [-Wunused-imports]
    The import of ‘Control.Applicative’ is redundant
      except perhaps to import instances from ‘Control.Applicative’
    To import instances alone, use: import Control.Applicative()

Hub/Poss.hs:24:1: warning: [-Wtabs]
    Tab character found here, and in one further location.
    Please use spaces instead.
[ 3 of 16] Compiling Hub.Oops         ( Hub/Oops.hs, dist/build/hub/hub-tmp/Hub/Oops.o )
[ 4 of 16] Compiling Hub.System       ( Hub/System.hs, dist/build/hub/hub-tmp/Hub/System.o )
[ 5 of 16] Compiling Hub.HelpText     ( Hub/HelpText.hs, dist/build/hub/hub-tmp/Hub/HelpText.o )
[ 6 of 16] Compiling Hub.Help         ( Hub/Help.hs, dist/build/hub/hub-tmp/Hub/Help.o )
[ 7 of 16] Compiling Hub.FilePaths    ( Hub/FilePaths.hs, dist/build/hub/hub-tmp/Hub/FilePaths.o )
[ 8 of 16] Compiling Hub.Hub          ( Hub/Hub.hs, dist/build/hub/hub-tmp/Hub/Hub.o )

Hub/Hub.hs:39:1: error:
    Failed to load interface for ‘Hub.Directory.Allocate’
    Use -v to see a list of the files searched for.
cabal: Leaving directory '/tmp/cabal-tmp-20023/hub-1.4.0'
cabal: Error: some packages failed to install:
hub-1.4.0 failed during the building phase. The exception was:
ExitFailure 1