windows-x86_64-head (Windows/x86_64 HEAD (Gabor Pali)), build 35, Failure

[Builder]

windows-x86_64-head (Windows/x86_64 HEAD (Gabor Pali)), build 35

Build failed
Details: http://haskell.inf.elte.hu/builders/windows-x86_64-head/35.html

git clone                    | Success
create mk/build.mk           | Success
get subrepos                 | Success
repo versions                | Success
touching clean-check files   | Success
setting version date         | Success
booting                      | Success
configuring                  | Success
creating check-remove-before | Success
compiling                    | Failure: Just (ExitFailure 2)

Build failed
Details: http://haskell.inf.elte.hu/builders/windows-x86_64-head/35.html

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"inplace/bin/mkdirhier" libraries/base/dist-install/build/System/Environment//.
"inplace/bin/hsc2hs.exe" '--cc=C:/msys64/home/ghc- [...] install/build/System/Environment/ExecutablePath.hs
"rm" -f libraries/base/dist-install/build/.depend-v-p.haskell.tmp  
"inplace/bin/ghc-stage1.exe" -M -static  -H32m -O    -this-package-key base_ESD4aQEEWwsHtYJVc1BwtJ -hide-all-packages -i -ilibraries/base/. -ilibraries/base/dist-install/build -ilibraries/base/dist-install/build/autogen -Ilibraries/base/dist-install/build -Ilibraries/base/dist-install/build/autogen -Ilibraries/base/include   -optP-DOPTIMISE_INTEGER_GCD_LCM -optP-include -optPlibraries/base/dist-install/build/autogen/cabal_macros.h -package-key ghcpr_BE58KUgBe9ELCsPXiJ1Q2r -package-key integ_BcPVjqcazPNGsNFG4agFty -package-key rts -this-package-key base -XHaskell2010 -O2  -no-user-package-db -rtsopts      -odir libraries/base/dist-install/build -hidir libraries/base/dist-install/build -stubdir libraries/base/dist-install/build -dep-makefile libraries/base/dist-install/build/.depend-v-p.haskell.tmp -dep-suffix "" -dep-suffix "p_" -include-pkg-deps  libraries/base/./Control/Applicative.hs  libraries/base/./Control/Arrow.hs  libraries/base/./Control/Category.hs  libraries/base/./Control/Concurrent.hs  libraries/base/./Control/Concurrent/Chan.hs  libraries/base/./Control/Concurrent/MVar.hs  libraries/base/./Control/Concurrent/QSem.hs  libraries/base/./Control/Concurrent/QSemN.hs  libraries/base/./Control/Exception.hs  libraries/base/./Control/Exception/Base.hs  libraries/base/./Control/Monad.hs  libraries/base/./Control/Monad/Fix.hs  libraries/base/./Control/Monad/Instances.hs  libraries/base/./Control/Monad/ST.hs  libraries/base/./Control/Monad/ST/Lazy.hs  libraries/base/./Control/Monad/ST/Lazy/Safe.hs  libraries/base/./Control/Monad/ST/Lazy/Unsafe.hs  libraries/base/./Control/Mo [...] base/./GHC/Stable.lhs  libraries/base/dist-install/build/GHC/Stack.hs  libraries/base/dist-install/build/GHC/Stats.hs  libraries/base/./GHC/Storable.lhs  libraries/base/./GHC/TopHandler.lhs  libraries/base/./GHC/TypeLits.hs  libraries/base/./GHC/Unicode.hs  libraries/base/./GHC/Weak.lhs  libraries/base/./GHC/Word.hs  libraries/base/./Numeric.hs  libraries/base/./Prelude.hs  libraries/base/dist-install/build/System/CPUTime.hs  libraries/base/./System/Console/GetOpt.hs  libraries/base/./System/Environment.hs  libraries/base/./System/Exit.hs  libraries/base/./System/IO.hs  libraries/base/./System/IO/Error.hs  libraries/base/./System/IO/Unsafe.hs  libraries/base/./System/Info.hs  libraries/base/./System/Mem.hs  libraries/base/./System/Mem/StableName.hs  libraries/base/./System/Mem/Weak.hs  libraries/base/./System/Posix/Internals.hs  libraries/base/./System/Posix/Types.hs  libraries/base/./System/Timeout.hs  libraries/base/./Text/ParserCombinators/ReadP.hs  libraries/base/./Text/ParserCombinators/ReadPrec.hs  libraries/base/./Text/Printf.hs  libraries/base/./Text/Read.hs  libraries/base/./Text/Read/Lex.hs  libraries/base/./Text/Show.hs  libraries/base/./Text/Show/Functions.hs  libraries/base/./Unsafe/Coerce.hs  libraries/base/./GHC/IO/Encoding/CodePage/API.hs  libraries/base/./GHC/IO/Encoding/CodePage/Table.hs  libraries/base/./GHC/Conc/Windows.hs  libraries/base/./GHC/Windows.hs  libraries/base/./Control/Monad/ST/Imp.hs  libraries/base/./Control/Monad/ST/Lazy/Imp.hs  libraries/base/./Foreign/ForeignPtr/Imp.hs  libraries/base/dist-install/build/System/Environment/ExecutablePath.hs

libraries\base\Data\OldTypeable.hs:4:14: Warning:
    -XOverlappingInstances is deprecated: instead use per-instance pragmas OVERLAPPING/OVERLAPPABLE/OVERLAPS

libraries\base\Data\OldTypeable\Internal.hs:18:14: Warning:
    -XOverlappingInstances is deprecated: instead use per-instance pragmas OVERLAPPING/OVERLAPPABLE/OVERLAPS

libraries\base\Data\Typeable.hs:3:14: Warning:
    -XOverlappingInstances is deprecated: instead use per-instance pragmas OVERLAPPING/OVERLAPPABLE/OVERLAPS

libraries\base\Data\Typeable\Internal.hs:18:14: Warning:
    -XOverlappingInstances is deprecated: instead use per-instance pragmas OVERLAPPING/OVERLAPPABLE/OVERLAPS
Module imports form a cycle:
         module `Control.Applicative' (libraries\base\Control\Applicative.hs)
        imports `Control.Arrow' (libraries\base\Control\Arrow.hs)
  which imports `Control.Monad.Fix' (libraries\base\Control\Monad\Fix.hs)
  which imports `System.IO' (libraries\base\System\IO.hs)
  which imports `GHC.IO.Encoding' (libraries\base\GHC\IO\Encoding.hs)
  which imports `GHC.IO.Encoding.CodePage' (libraries\base\GHC\IO\Encoding\CodePage.hs)
  which imports `Data.List' (libraries\base\Data\List.hs)
  which imports `Data.Traversable' (libraries\base\Data\Traversable.hs)
  which imports `Control.Applicative' (libraries\base\Control\Applicative.hs)
libraries/base/ghc.mk:4: recipe for target 'libraries/base/dist-install/build/.depend-v-p.haskell' failed
make[1]: *** [libraries/base/dist-install/build/.depend-v-p.haskell] Error 1
Makefile:71: recipe for target 'all' failed
make: *** [all] Error 2