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 tar-0.4.5.0...
Installed mtl-2.2.1
Building tar-0.4.5.0...
Configuring text-1.2.2.1...
Installed network-2.6.3.1
Installed tar-0.4.5.0
Building text-1.2.2.1...
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 cabal-nirvana-0.2.1...
Configuring cabal-nirvana-0.2.1...
Building cabal-nirvana-0.2.1...
Failed to install cabal-nirvana-0.2.1
Build log ( /home/builder/.cabal/logs/cabal-nirvana-0.2.1.log ):
cabal: Entering directory '/tmp/cabal-tmp-8248/cabal-nirvana-0.2.1'
Configuring cabal-nirvana-0.2.1...
Building cabal-nirvana-0.2.1...
Preprocessing executable 'cabal-nirvana' for cabal-nirvana-0.2.1...
[1 of 2] Compiling Paths_cabal_nirvana ( dist/build/autogen/Paths_cabal_nirvana.hs, dist/build/cabal-nirvana/cabal-nirvana-tmp/Paths_cabal_nirvana.o )
[2 of 2] Compiling Main             ( cabal-nirvana.hs, dist/build/cabal-nirvana/cabal-nirvana-tmp/Main.o )

cabal-nirvana.hs:13:1: error:
    Failed to load interface for ‘Data.Map’
    It is a member of the hidden package ‘containers-0.5.7.1’.
    Perhaps you need to add ‘containers’ 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-8248/cabal-nirvana-0.2.1'
cabal: Error: some packages failed to install:
cabal-nirvana-0.2.1 failed during the building phase. The exception was:
ExitFailure 1