Resolving dependencies...
Configuring old-locale-1.0.0.7...
Configuring split-0.2.3.1...
Building old-locale-1.0.0.7...
Building split-0.2.3.1...
Installed old-locale-1.0.0.7
Installed split-0.2.3.1
Configuring timestamp-subprocess-lines-0.1.0.3...
Building timestamp-subprocess-lines-0.1.0.3...
Failed to install timestamp-subprocess-lines-0.1.0.3
Build log ( /home/builder/.cabal/logs/timestamp-subprocess-lines-0.1.0.3.log ):
cabal: Entering directory '/tmp/cabal-tmp-21126/timestamp-subprocess-lines-0.1.0.3'
Configuring timestamp-subprocess-lines-0.1.0.3...
Building timestamp-subprocess-lines-0.1.0.3...
Preprocessing executable 'Timestamp' for timestamp-subprocess-lines-0.1.0.3...
[1 of 1] Compiling Main             ( Timestamp.hs, dist/build/Timestamp/Timestamp-tmp/Main.o )

Timestamp.hs:26:22: error:
    • Couldn't match expected type ‘time-1.6.0.1:Data.Time.Format.Locale.TimeLocale’
                  with actual type ‘System.Locale.TimeLocale’
      NB: ‘System.Locale.TimeLocale’
            is defined in ‘System.Locale’ in package ‘old-locale-1.0.0.7’
          ‘time-1.6.0.1:Data.Time.Format.Locale.TimeLocale’
            is defined in ‘Data.Time.Format.Locale’ in package ‘time-1.6.0.1’
    • In the first argument of ‘formatTime’, namely ‘defaultTimeLocale’
      In the expression: formatTime defaultTimeLocale
      In an equation for ‘fmt’: fmt = formatTime defaultTimeLocale
cabal: Leaving directory '/tmp/cabal-tmp-21126/timestamp-subprocess-lines-0.1.0.3'
cabal: Error: some packages failed to install:
timestamp-subprocess-lines-0.1.0.3 failed during the building phase. The
exception was:
ExitFailure 1