Resolving dependencies...
Configuring ansi-terminal-0.6.2.3...
Configuring cmdargs-0.10.14...
Building cmdargs-0.10.14...
Building ansi-terminal-0.6.2.3...
Installed ansi-terminal-0.6.2.3
Configuring mtl-2.2.1...
Building mtl-2.2.1...
Configuring stringsearch-0.3.6.6...
Installed mtl-2.2.1
Building stringsearch-0.3.6.6...
Configuring network-2.6.3.1...
Installed stringsearch-0.3.6.6
Building network-2.6.3.1...
Configuring terminal-size-0.3.2.1...
Installed cmdargs-0.10.14
Building terminal-size-0.3.2.1...
Configuring text-1.2.2.1...
Installed terminal-size-0.3.2.1
Building text-1.2.2.1...
Configuring zlib-0.6.1.2...
Installed network-2.6.3.1
Building zlib-0.6.1.2...
Installed zlib-0.6.1.2
Installed text-1.2.2.1
Configuring parsec-3.1.11...
Building parsec-3.1.11...
Installed parsec-3.1.11
Configuring network-uri-2.6.1.0...
Building network-uri-2.6.1.0...
Installed network-uri-2.6.1.0
Configuring HTTP-4000.3.3...
Building HTTP-4000.3.3...
Installed HTTP-4000.3.3
Downloading sloane-1.7...
Configuring sloane-1.7...
Building sloane-1.7...
Failed to install sloane-1.7
Build log ( /home/builder/.cabal/logs/sloane-1.7.log ):
cabal: Entering directory '/tmp/cabal-tmp-13874/sloane-1.7'
[1 of 1] Compiling Main             ( /tmp/cabal-tmp-13874/sloane-1.7/dist/setup/setup.hs, /tmp/cabal-tmp-13874/sloane-1.7/dist/setup/Main.o )
Linking /tmp/cabal-tmp-13874/sloane-1.7/dist/setup/setup ...
Configuring sloane-1.7...
Building sloane-1.7...
Preprocessing executable 'sloane' for sloane-1.7...
[1 of 1] Compiling Main             ( sloane.hs, dist/build/sloane/sloane-tmp/Main.o )

sloane.hs:23:1: error:
    Failed to load interface for ‘Network.URI’
    It is a member of the hidden package ‘network-uri-2.6.1.0’.
    Perhaps you need to add ‘network-uri’ 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-13874/sloane-1.7'
cabal: Error: some packages failed to install:
sloane-1.7 failed during the building phase. The exception was:
ExitFailure 1