The build is unreachable.

Build log

> /tmp/stackage-build2453$ stack unpack binary-bits-0.5@sha256:d868166906e6158089f277e8f0072bded2dddc4bf998d3250739ba017192cfb5
Unpacked binary-bits-0.5 to /tmp/stackage-build2453/binary-bits-0.5/
> /tmp/stackage-build2453/binary-bits-0.5$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
[1 of 1] Compiling Main             ( Setup.hs, Setup.o )
Linking Setup ...
> /tmp/stackage-build2453/binary-bits-0.5$ ./Setup configure --package-db=clear --package-db=global --package-db=/home/circleci/project/builds/nightly/pkgdb --libdir=/home/circleci/project/builds/nightly/lib --bindir=/home/circleci/project/builds/nightly/bin --datadir=/home/circleci/project/builds/nightly/share --libexecdir=/home/circleci/project/builds/nightly/libexec --sysconfdir=/home/circleci/project/builds/nightly/etc --docdir=/home/circleci/project/builds/nightly/doc/binary-bits-0.5 --htmldir=/home/circleci/project/builds/nightly/doc/binary-bits-0.5 --haddockdir=/home/circleci/project/builds/nightly/doc/binary-bits-0.5
Configuring binary-bits-0.5...
> /tmp/stackage-build2453/binary-bits-0.5$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2453/binary-bits-0.5$ ./Setup build
Preprocessing library for binary-bits-0.5..
Building library for binary-bits-0.5..
[1 of 3] Compiling Data.Binary.Bits.Get ( Data/Binary/Bits/Get.hs, dist/build/Data/Binary/Bits/Get.o )

Data/Binary/Bits/Get.hs:86:1: warning: [-Wunused-imports]
    The import of ‘getByteString, runGet’
    from module ‘Data.Binary.Get’ is redundant
   |
86 | import Data.Binary.Get as B ( runGet, Get, getByteString, getLazyByteString, isEmpty )
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Data/Binary/Bits/Get.hs:207:1: warning: [-Wincomplete-patterns]
    Pattern match(es) are non-exhaustive
    In an equation for ‘readWord8’: Patterns not matched: _ (S _ _)
    |
207 | readWord8 n (S bs o)
    | ^^^^^^^^^^^^^^^^^^^^...

Data/Binary/Bits/Get.hs:293:1: warning: [-Wincomplete-patterns]
    Pattern match(es) are non-exhaustive
    In an equation for ‘readWithoutOffset’:
        Patterns not matched: (S _ _) _ _ _
    |
293 | readWithoutOffset (S bs o) shifterL shifterR n
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^...

Data/Binary/Bits/Get.hs:299:22: warning: [-Wname-shadowing]
    This binding for ‘n’ shadows the existing binding
      bound at Data/Binary/Bits/Get.hs:293:46
    |
299 |                   bn n = (bn (n-1) `shifterL` 8) .|. fromIntegral (unsafeIndex bs n)
    |                      ^

Data/Binary/Bits/Get.hs:307:22: warning: [-Wname-shadowing]
    This binding for ‘n’ shadows the existing binding
      bound at Data/Binary/Bits/Get.hs:293:46
    |
307 |                   bn n = (bn (n-1) `shifterL` 8) .|. fromIntegral (unsafeIndex bs n)
    |                      ^

Data/Binary/Bits/Get.hs:311:19: warning: [-Wname-shadowing]
    This binding for ‘last’ shadows the existing bindings
      imported from ‘Data.ByteString’ at Data/Binary/Bits/Get.hs:89:1-27
      imported from ‘Prelude’ at Data/Binary/Bits/Get.hs:97:1-19
      (and originally defined in ‘GHC.List’)
    |
311 |                   last = (fromIntegral (unsafeIndex bs segs)) `shifterR` (8 - o')
    |                   ^^^^

Data/Binary/Bits/Get.hs:318:1: warning: [-Wincomplete-patterns]
    Pattern match(es) are non-exhaustive
    In an equation for ‘readWithOffset’:
        Patterns not matched: (S _ _) _ _ _
    |
318 | readWithOffset (S bs o) shifterL shifterR n
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^...

Data/Binary/Bits/Get.hs:326:22: warning: [-Wname-shadowing]
    This binding for ‘n’ shadows the existing binding
      bound at Data/Binary/Bits/Get.hs:318:43
    |
326 |                   bn n = (bn (n-1) `shifterL` 8) .|. fromIntegral (unsafeIndex bs n)
    |                      ^

Data/Binary/Bits/Get.hs:332:19: warning: [-Wname-shadowing]
    This binding for ‘last’ shadows the existing bindings
      imported from ‘Data.ByteString’ at Data/Binary/Bits/Get.hs:89:1-27
      imported from ‘Prelude’ at Data/Binary/Bits/Get.hs:97:1-19
      (and originally defined in ‘GHC.List’)
    |
332 |                   last | o' > 0 = (fromIntegral (unsafeIndex bs (segs + 1))) `shifterR` (8 - o')
    |                   ^^^^

Data/Binary/Bits/Get.hs:470:1: warning: [-Wunused-top-binds]
    Defined but not used: ‘shiftl_w8’
    |
470 | shiftl_w8  (W8#  w) (I# i) = W8# (w `uncheckedShiftL#`   i)
    | ^^^^^^^^^

Data/Binary/Bits/Get.hs:470:1: warning: [-Wmissing-signatures]
    Top-level binding with no type signature:
      shiftl_w8 :: Word8 -> Int -> Word8
    |
470 | shiftl_w8  (W8#  w) (I# i) = W8# (w `uncheckedShiftL#`   i)
    | ^^^^^^^^^

Data/Binary/Bits/Get.hs:474:1: warning: [-Wmissing-signatures]
    Top-level binding with no type signature:
      shiftr_w8 :: Word8 -> Int -> Word8
    |
474 | shiftr_w8  (W8#  w) (I# i) = W8# (w `uncheckedShiftRL#`   i)
    | ^^^^^^^^^

Data/Binary/Bits/Get.hs:475:1: warning: [-Wmissing-signatures]
    Top-level binding with no type signature:
      shiftr_w16 :: Word16 -> Int -> Word16
    |
475 | shiftr_w16 (W16# w) (I# i) = W16# (w `uncheckedShiftRL#`  i)
    | ^^^^^^^^^^

Data/Binary/Bits/Get.hs:476:1: warning: [-Wmissing-signatures]
    Top-level binding with no type signature:
      shiftr_w32 :: Word32 -> Int -> Word32
    |
476 | shiftr_w32 (W32# w) (I# i) = W32# (w `uncheckedShiftRL#`  i)
    | ^^^^^^^^^^

Data/Binary/Bits/Get.hs:481:1: warning: [-Wmissing-signatures]
    Top-level binding with no type signature:
      shiftr_w64 :: Word64 -> Int -> Word64
    |
481 | shiftr_w64 (W64# w) (I# i) = W64# (w `uncheckedShiftRL64#` i)
    | ^^^^^^^^^^
[2 of 3] Compiling Data.Binary.Bits.Put ( Data/Binary/Bits/Put.hs, dist/build/Data/Binary/Bits/Put.o )

Data/Binary/Bits/Put.hs:41:1: warning: [-Wunused-imports]
    The import of ‘Control.Applicative’ is redundant
      except perhaps to import instances from ‘Control.Applicative’
    To import instances alone, use: import Control.Applicative()
   |
41 | import Control.Applicative
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^

Data/Binary/Bits/Put.hs:43:1: warning: [-Wunused-imports]
    The import of ‘Data.Monoid’ is redundant
      except perhaps to import instances from ‘Data.Monoid’
    To import instances alone, use: import Data.Monoid()
   |
43 | import Data.Monoid
   | ^^^^^^^^^^^^^^^^^^
[3 of 3] Compiling Data.Binary.Bits ( Data/Binary/Bits.hs, dist/build/Data/Binary/Bits.o )
> /tmp/stackage-build2453/binary-bits-0.5$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2453/binary-bits-0.5$ ./Setup copy
Installing library in /home/circleci/project/builds/nightly/lib/x86_64-linux-ghc-8.7.20181118/binary-bits-0.5-BSFo4LfpCj9KWKksHnLxn4
> /tmp/stackage-build2453/binary-bits-0.5$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2453/binary-bits-0.5$ ./Setup register
Registering library for binary-bits-0.5..