Resolving dependencies...
Configuring hledger-web-0.16.3...
Building hledger-web-0.16.3...
Failed to install hledger-web-0.16.3
Build log ( /home/builder/.cabal/logs/hledger-web-0.16.3.log ):
cabal: Entering directory '/tmp/cabal-tmp-21763/hledger-web-0.16.3'
Configuring hledger-web-0.16.3...
Building hledger-web-0.16.3...
Preprocessing library hledger-web-0.16.3...
[1 of 7] Compiling Hledger.Web.Settings ( Hledger/Web/Settings.hs, dist/build/Hledger/Web/Settings.o )

Hledger/Web/Settings.hs:9:8: error:
    Failed to load interface for ‘Prelude’
    It is a member of the hidden package ‘base-4.9.0.0’.
    Perhaps you need to add ‘base’ to the build-depends in your .cabal file.
    Use -v to see a list of the files searched for.

Hledger/Web/Settings.hs:28:1: error:
    Failed to load interface for ‘Text.Hamlet’
    Use -v to see a list of the files searched for.

Hledger/Web/Settings.hs:29:1: error:
    Failed to load interface for ‘Text.Cassius’
    Use -v to see a list of the files searched for.

Hledger/Web/Settings.hs:30:1: error:
    Failed to load interface for ‘Text.Julius’
    Use -v to see a list of the files searched for.

Hledger/Web/Settings.hs:31:1: error:
    Failed to load interface for ‘Text.Lucius’
    Use -v to see a list of the files searched for.

Hledger/Web/Settings.hs:32:1: error:
    Failed to load interface for ‘Text.Printf’
    It is a member of the hidden package ‘base-4.9.0.0’.
    Perhaps you need to add ‘base’ to the build-depends in your .cabal file.
    Use -v to see a list of the files searched for.

Hledger/Web/Settings.hs:33:1: error:
    Failed to load interface for ‘Text.Shakespeare.Text’
    Use -v to see a list of the files searched for.

Hledger/Web/Settings.hs:34:1: error:
    Failed to load interface for ‘Text.Shakespeare.Text’
    Use -v to see a list of the files searched for.

Hledger/Web/Settings.hs:35:1: error:
    Failed to load interface for ‘Language.Haskell.TH.Syntax’
    It is a member of the hidden package ‘template-haskell-2.11.0.0’.
    Perhaps you need to add ‘template-haskell’ to the build-depends in your .cabal file.
    Use -v to see a list of the files searched for.

Hledger/Web/Settings.hs:36:1: error:
    Failed to load interface for ‘Yesod.Widget’
    Use -v to see a list of the files searched for.

Hledger/Web/Settings.hs:37:1: error:
    Failed to load interface for ‘Data.Monoid’
    It is a member of the hidden package ‘base-4.9.0.0’.
    Perhaps you need to add ‘base’ to the build-depends in your .cabal file.
    Use -v to see a list of the files searched for.

Hledger/Web/Settings.hs:38:1: error:
    Failed to load interface for ‘System.Directory’
    It is a member of the hidden package ‘directory-1.2.6.2’.
    Perhaps you need to add ‘directory’ to the build-depends in your .cabal file.
    Use -v to see a list of the files searched for.

Hledger/Web/Settings.hs:39:1: error:
    Failed to load interface for ‘Data.Text’
    Perhaps you meant
      Data.Set (needs flag -package-key containers-0.5.7.1)
    Use -v to see a list of the files searched for.

Hledger/Web/Settings.hs:40:1: error:
    Failed to load interface for ‘Data.Object’
    Use -v to see a list of the files searched for.

Hledger/Web/Settings.hs:41:1: error:
    Failed to load interface for ‘Data.Object.Yaml’
    Use -v to see a list of the files searched for.

Hledger/Web/Settings.hs:42:1: error:
    Failed to load interface for ‘Control.Monad’
    It is a member of the hidden package ‘base-4.9.0.0’.
    Perhaps you need to add ‘base’ 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-21763/hledger-web-0.16.3'
cabal: Error: some packages failed to install:
hledger-web-0.16.3 failed during the building phase. The exception was:
ExitFailure 1