Resolving dependencies...
Configuring mtl-2.2.1...
Configuring text-1.2.2.1...
Building mtl-2.2.1...
Building text-1.2.2.1...
Installed mtl-2.2.1
Installed text-1.2.2.1
Configuring parsec-3.1.11...
Building parsec-3.1.11...
Installed parsec-3.1.11
Configuring show-please-0.4.1...
Building show-please-0.4.1...
Failed to install show-please-0.4.1
Build log ( /home/builder/.cabal/logs/show-please-0.4.1.log ):
cabal: Entering directory '/tmp/cabal-tmp-10388/show-please-0.4.1'
Configuring show-please-0.4.1...
Building show-please-0.4.1...
Preprocessing library show-please-0.4.1...
[1 of 1] Compiling Debug.Show       ( Debug/Show.hs, dist/build/Debug/Show.o )

Debug/Show.hs:109:1: error: parse error on input ‘#’
cabal: Leaving directory '/tmp/cabal-tmp-10388/show-please-0.4.1'
cabal: Error: some packages failed to install:
show-please-0.4.1 failed during the building phase. The exception was:
ExitFailure 1