Resolving dependencies...
Configuring exif-3000.0.0...
Configuring mtl-2.2.1...
Building mtl-2.2.1...
Building exif-3000.0.0...
Installed mtl-2.2.1
Configuring old-locale-1.0.0.7...
Configuring text-1.2.2.1...
Installed exif-3000.0.0
Building old-locale-1.0.0.7...
Building text-1.2.2.1...
Installed old-locale-1.0.0.7
Installed text-1.2.2.1
Configuring parsec-3.1.11...
Building parsec-3.1.11...
Installed parsec-3.1.11
Configuring photoname-3.0.0...
Building photoname-3.0.0...
Failed to install photoname-3.0.0
Build log ( /home/builder/.cabal/logs/photoname-3.0.0.log ):
cabal: Entering directory '/tmp/cabal-tmp-15280/photoname-3.0.0'
Configuring photoname-3.0.0...
Building photoname-3.0.0...
Preprocessing executable 'photoname' for photoname-3.0.0...
[1 of 7] Compiling Photoname.Opts   ( src/Photoname/Opts.hs, dist/build/photoname/photoname-tmp/Photoname/Opts.o )

src/Photoname/Opts.hs:11:1: 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()
[2 of 7] Compiling Photoname.Exif   ( src/Photoname/Exif.hs, dist/build/photoname/photoname-tmp/Photoname/Exif.o )

src/Photoname/Exif.hs:26:12: error:
    Variable not in scope: try :: IO Exif -> IO (Either IOError Exif)
cabal: Leaving directory '/tmp/cabal-tmp-15280/photoname-3.0.0'
cabal: Error: some packages failed to install:
photoname-3.0.0 failed during the building phase. The exception was:
ExitFailure 1