Resolving dependencies...
Configuring mtl-2.2.1...
Configuring bytestring-builder-0.10.8.1.0...
Building mtl-2.2.1...
Building bytestring-builder-0.10.8.1.0...
Installed bytestring-builder-0.10.8.1.0
Configuring network-2.6.3.1...
Building network-2.6.3.1...
Configuring split-0.2.3.1...
Installed mtl-2.2.1
Building split-0.2.3.1...
Configuring stm-2.4.4.1...
Installed split-0.2.3.1
Building stm-2.4.4.1...
Configuring text-1.2.2.1...
Installed stm-2.4.4.1
Building text-1.2.2.1...
Configuring transformers-compat-0.5.1.4...
Installed network-2.6.3.1
Building transformers-compat-0.5.1.4...
Configuring utf8-string-1.0.1.1...
Installed transformers-compat-0.5.1.4
Building utf8-string-1.0.1.1...
Installed utf8-string-1.0.1.1
Configuring exceptions-0.8.3...
Building exceptions-0.8.3...
Installed exceptions-0.8.3
Installed text-1.2.2.1
Configuring blaze-builder-0.4.0.2...
Configuring hashable-1.2.4.0...
Building hashable-1.2.4.0...
Building blaze-builder-0.4.0.2...
Configuring parsec-3.1.11...
Installed hashable-1.2.4.0
Installed blaze-builder-0.4.0.2
Configuring case-insensitive-1.2.0.7...
Building parsec-3.1.11...
Building case-insensitive-1.2.0.7...
Configuring unordered-containers-0.2.7.2...
Installed case-insensitive-1.2.0.7
Building unordered-containers-0.2.7.2...
Configuring http-types-0.9.1...
Installed parsec-3.1.11
Building http-types-0.9.1...
Installed http-types-0.9.1
Configuring web-routes-0.27.11...
Installed unordered-containers-0.2.7.2
Configuring vault-0.3.0.6...
Building web-routes-0.27.11...
Building vault-0.3.0.6...
Installed vault-0.3.0.6
Configuring wai-3.2.1.1...
Building wai-3.2.1.1...
Installed web-routes-0.27.11
Installed wai-3.2.1.1
Configuring web-routes-wai-0.19.1...
Building web-routes-wai-0.19.1...
Failed to install web-routes-wai-0.19.1
Build log ( /home/builder/.cabal/logs/web-routes-wai-0.19.1.log ):
cabal: Entering directory '/tmp/cabal-tmp-28134/web-routes-wai-0.19.1'
Configuring web-routes-wai-0.19.1...
Building web-routes-wai-0.19.1...
Preprocessing library web-routes-wai-0.19.1...
[1 of 1] Compiling Web.Routes.Wai   ( Web/Routes/Wai.hs, dist/build/Web/Routes/Wai.o )

Web/Routes/Wai.hs:6:1: error:
    Failed to load interface for ‘Network.Wai.Enumerator’
    Use -v to see a list of the files searched for.
cabal: Leaving directory '/tmp/cabal-tmp-28134/web-routes-wai-0.19.1'
cabal: Error: some packages failed to install:
web-routes-wai-0.19.1 failed during the building phase. The exception was:
ExitFailure 1