Resolving dependencies...
Configuring mtl-2.2.1...
Configuring call-stack-0.1.0...
Building call-stack-0.1.0...
Building mtl-2.2.1...
Installed call-stack-0.1.0
Configuring HUnit-1.5.0.0...
Building HUnit-1.5.0.0...
Installed mtl-2.2.1
Installed HUnit-1.5.0.0
Configuring hiccup-0.2...
Building hiccup-0.2...
Failed to install hiccup-0.2
Build log ( /home/builder/.cabal/logs/hiccup-0.2.log ):
cabal: Entering directory '/tmp/cabal-tmp-23102/hiccup-0.2'
[1 of 1] Compiling Main             ( /tmp/cabal-tmp-23102/hiccup-0.2/dist/setup/setup.hs, /tmp/cabal-tmp-23102/hiccup-0.2/dist/setup/Main.o )
Linking /tmp/cabal-tmp-23102/hiccup-0.2/dist/setup/setup ...
Configuring hiccup-0.2...
Warning: No 'build-type' specified. If you do not need a custom Setup.hs or
./configure script then use 'build-type: Simple'.
Warning: Instead of 'ghc-options: -fbang-patterns' use 'extensions:
BangPatterns'
Building hiccup-0.2...
Preprocessing executable 'hiccup' for hiccup-0.2...

on the commandline: warning:
    -fglasgow-exts is deprecated: Use individual extensions instead

on the commandline: warning:
    -fbang-patterns is deprecated: use -XBangPatterns or pragma {-# LANGUAGE BangPatterns #-} instead

BSParse.hs:1:16: warning:
    -fbang-patterns is deprecated: use -XBangPatterns or pragma {-# LANGUAGE BangPatterns #-} instead
[1 of 2] Compiling BSParse          ( BSParse.hs, dist/build/hiccup/hiccup-tmp/BSParse.o )

BSParse.hs:3:1: error:
    Failed to load interface for ‘Data.ByteString.Char8’
    It is a member of the hidden package ‘bytestring-0.10.8.1’.
    Perhaps you need to add ‘bytestring’ to the build-depends in your .cabal file.
    Use -v to see a list of the files searched for.
cabal: Leaving directory '/tmp/cabal-tmp-23102/hiccup-0.2'
cabal: Error: some packages failed to install:
hiccup-0.2 failed during the building phase. The exception was:
ExitFailure 1