Resolving dependencies...
Configuring mtl-2.2.1...
Configuring network-2.6.3.1...
Building mtl-2.2.1...
Building network-2.6.3.1...
Configuring text-1.2.2.1...
Installed mtl-2.2.1
Building text-1.2.2.1...
Installed network-2.6.3.1
Installed text-1.2.2.1
Configuring xml-1.3.14...
Building xml-1.3.14...
Installed xml-1.3.14
Downloading PTQ-0.0.6...
Configuring PTQ-0.0.6...
Building PTQ-0.0.6...
Failed to install PTQ-0.0.6
Build log ( /home/builder/.cabal/logs/PTQ-0.0.6.log ):
cabal: Entering directory '/tmp/cabal-tmp-7792/PTQ-0.0.6'
Configuring PTQ-0.0.6...
Building PTQ-0.0.6...
Preprocessing executable 'ptq' for PTQ-0.0.6...
[1 of 8] Compiling Version          ( src/Version.hs, dist/build/ptq/ptq-tmp/Version.o )
[2 of 8] Compiling P                ( src/P.hs, dist/build/ptq/ptq-tmp/P.o )
[3 of 8] Compiling Parser           ( src/Parser.hs, dist/build/ptq/ptq-tmp/Parser.o )
[4 of 8] Compiling IL               ( src/IL.hs, dist/build/ptq/ptq-tmp/IL.o )

src/IL.hs:230:7: warning: [-Wtabs]
    Tab character found here.
    Please use spaces instead.
[5 of 8] Compiling Translation      ( src/Translation.hs, dist/build/ptq/ptq-tmp/Translation.o )
[6 of 8] Compiling MP               ( src/MP.hs, dist/build/ptq/ptq-tmp/MP.o )
[7 of 8] Compiling Report           ( src/Report.hs, dist/build/ptq/ptq-tmp/Report.o )
[8 of 8] Compiling Main             ( src/Main.hs, dist/build/ptq/ptq-tmp/Main.o )
Linking dist/build/ptq/ptq ...
Preprocessing executable 'ptq.cgi' for PTQ-0.0.6...
[1 of 9] Compiling URLEncoding      ( src/URLEncoding.hs, dist/build/ptq.cgi/ptq.cgi-tmp/URLEncoding.o )

src/URLEncoding.hs:26:1: error:
    Failed to load interface for ‘Network.URI’
    Perhaps you meant Network.BSD (from network-2.6.3.1)
    Use -v to see a list of the files searched for.
cabal: Leaving directory '/tmp/cabal-tmp-7792/PTQ-0.0.6'
cabal: Error: some packages failed to install:
PTQ-0.0.6 failed during the building phase. The exception was:
ExitFailure 1