Resolving dependencies...
Configuring mtl-2.2.1...
Configuring network-2.6.3.1...
Building mtl-2.2.1...
Building network-2.6.3.1...
Installed mtl-2.2.1
Installed network-2.6.3.1
Configuring Chitra-0.2.1...
Building Chitra-0.2.1...
Failed to install Chitra-0.2.1
Build log ( /home/builder/.cabal/logs/Chitra-0.2.1.log ):
cabal: Entering directory '/tmp/cabal-tmp-25641/Chitra-0.2.1'
Configuring Chitra-0.2.1...
Building Chitra-0.2.1...
Preprocessing executable 'Chitra' for Chitra-0.2.1...
[1 of 1] Compiling Main             ( Main.hs, dist/build/Chitra/Chitra-tmp/Main.o )

Main.hs:1:1: error:
    Failed to load interface for ‘Chitra.Canvas’
    Use -v to see a list of the files searched for.
cabal: Leaving directory '/tmp/cabal-tmp-25641/Chitra-0.2.1'
cabal: Error: some packages failed to install:
Chitra-0.2.1 failed during the building phase. The exception was:
ExitFailure 1