Configuring vault-0.3.0.1...
Flags chosen: useghc=True
Dependency base ==4.6.0.1: using base-4.6.0.1
Dependency containers ==0.5.0.0: using containers-0.5.0.0
Dependency hashable ==1.2.1.0: using hashable-1.2.1.0
Dependency unordered-containers ==0.2.3.3: using unordered-containers-0.2.3.3
Using Cabal-1.16.0.3 compiled by ghc-7.6
Using compiler: ghc-7.6.3
Using install prefix: /srv/hackage/var/build/cache/inst
Binaries installed in: /srv/hackage/var/build/cache/inst/bin
Libraries installed in:
/srv/hackage/var/build/cache/inst/lib/vault-0.3.0.1/ghc-7.6.3
Private binaries installed in: /srv/hackage/var/build/cache/inst/libexec
Data files installed in: /srv/hackage/var/build/cache/inst/share/vault-0.3.0.1
Documentation installed in:
/srv/hackage/var/build/cache/inst/share/doc/vault-0.3.0.1
Using alex version 3.0.1 found on system at: /usr/bin/alex
Using ar found on system at: /usr/bin/ar
No c2hs found
No cpphs found
No ffihugs found
Using gcc version 4.7 found on system at: /usr/bin/gcc
Using ghc version 7.6.3 found on system at: /usr/local/bin/ghc
Using ghc-pkg version 7.6.3 found on system at: /usr/local/bin/ghc-pkg
No greencard found
Using haddock version 2.13.2 found on system at: /usr/local/bin/haddock
Using happy version 1.18.9 found on system at: /usr/bin/happy
No hmake found
Using hpc version 0.6 found on system at: /usr/local/bin/hpc
Using hsc2hs version 0.67 found on system at: /usr/local/bin/hsc2hs
Using hscolour version 1.19 found on system at: /usr/bin/HsColour
No hugs found
No jhc found
Using ld found on system at: /usr/bin/ld
No lhc found
No lhc-pkg found
No nhc98 found
No pkg-config found
Using ranlib found on system at: /usr/bin/ranlib
Using strip found on system at: /usr/bin/strip
Using tar found on system at: /bin/tar
No uhc found
creating dist/build
creating dist/build/autogen
Building vault-0.3.0.1...
Preprocessing library vault-0.3.0.1...
Building library...
creating dist/build
/usr/local/bin/ghc --make -fbuilding-cabal-package -odir dist/build -hidir dist/build -stubdir dist/build -i -idist/build -isrc -idist/build/autogen -Idist/build/autogen -Idist/build -optP-DUseGHC -optP-include -optPdist/build/autogen/cabal_macros.h -package-name vault-0.3.0.1 -hide-all-packages -package-db /srv/hackage/var/build/cache/inst/local.conf.d -package-db dist/package.conf.inplace -package-id base-4.6.0.1-8aa5d403c45ea59dcd2c39f123e27d57 -package-id containers-0.5.0.0-ab1dae9a94cd3cc84e7b2805636ebfa2 -package-id hashable-1.2.1.0-3890945545912419756ce085333d6da6 -package-id unordered-containers-0.2.3.3-ad02117274c28a3ac28e9dec94f7a708 -XHaskell98 -XCPP Data.Vault.Lazy Data.Vault.Strict Data.Vault.ST.Lazy Data.Vault.ST.Strict Data.Unique.Really -Wall -fno-warn-missing-signatures -O0

src/Data/Vault/Lazy.hs:6:0:
     fatal error: IO.hs: No such file or directory
compilation terminated.