Resolving dependencies...
Configuring old-locale-1.0.0.7...
Configuring text-1.2.2.1...
Building old-locale-1.0.0.7...
Building text-1.2.2.1...
Configuring utf8-string-1.0.1.1...
Installed old-locale-1.0.0.7
Building utf8-string-1.0.1.1...
Configuring time-locale-compat-0.1.1.3...
Installed utf8-string-1.0.1.1
Building time-locale-compat-0.1.1.3...
Configuring old-time-1.1.0.3...
Installed time-locale-compat-0.1.1.3
Building old-time-1.1.0.3...
Installed old-time-1.1.0.3
Installed text-1.2.2.1
Configuring xml-1.3.14...
Configuring tagsoup-0.14...
Building tagsoup-0.14...
Building xml-1.3.14...
Installed xml-1.3.14
Configuring feed-0.3.12.0...
Building feed-0.3.12.0...
Installed tagsoup-0.14
Installed feed-0.3.12.0
Configuring hackage2hwn-0.4...
Building hackage2hwn-0.4...
Failed to install hackage2hwn-0.4
Build log ( /home/builder/.cabal/logs/hackage2hwn-0.4.log ):
cabal: Entering directory '/tmp/cabal-tmp-21604/hackage2hwn-0.4'
Configuring hackage2hwn-0.4...
Building hackage2hwn-0.4...
Preprocessing executable 'hackage2hwn' for hackage2hwn-0.4...
[1 of 1] Compiling Main             ( Main.hs, dist/build/hackage2hwn/hackage2hwn-tmp/Main.o )

Main.hs:21:1: error:
    Failed to load interface for ‘Text.HTML.Download’
    Use -v to see a list of the files searched for.
cabal: Leaving directory '/tmp/cabal-tmp-21604/hackage2hwn-0.4'
cabal: Error: some packages failed to install:
hackage2hwn-0.4 failed during the building phase. The exception was:
ExitFailure 1