Resolving dependencies...
Configuring cereal-0.5.4.0...
Configuring entropy-0.3.7...
Building cereal-0.5.4.0...
Building entropy-0.3.7...
Installed entropy-0.3.7
Configuring transformers-compat-0.5.1.4...
Installed cereal-0.5.4.0
Building transformers-compat-0.5.1.4...
Installed transformers-compat-0.5.1.4
Configuring tagged-0.8.5...
Building tagged-0.8.5...
Installed tagged-0.8.5
Configuring crypto-api-0.13.2...
Building crypto-api-0.13.2...
Installed crypto-api-0.13.2
Configuring pureMD5-2.1.3...
Building pureMD5-2.1.3...
Installed pureMD5-2.1.3
Downloading cabal2arch-0.1...
Configuring cabal2arch-0.1...
Building cabal2arch-0.1...
Failed to install cabal2arch-0.1
Build log ( /home/builder/.cabal/logs/cabal2arch-0.1.log ):
cabal: Entering directory '/tmp/cabal-tmp-30186/cabal2arch-0.1'
Configuring cabal2arch-0.1...
Building cabal2arch-0.1...
Preprocessing executable 'cabal2arch' for cabal2arch-0.1...
[1 of 1] Compiling Main             ( Main.hs, dist/build/cabal2arch/cabal2arch-tmp/Main.o )

Main.hs:24:1: error:
    Failed to load interface for ‘Data.Digest.MD5’
    Use -v to see a list of the files searched for.
cabal: Leaving directory '/tmp/cabal-tmp-30186/cabal2arch-0.1'
cabal: Error: some packages failed to install:
cabal2arch-0.1 failed during the building phase. The exception was:
ExitFailure 1