Resolving dependencies...
Starting     hashable-1.3.1.0
Starting     primitive-0.7.1.0
Building     hashable-1.3.1.0
Building     primitive-0.7.1.0
Completed    hashable-1.3.1.0
Starting     text-short-0.1.3
Building     text-short-0.1.3
Completed    text-short-0.1.3
Completed    primitive-0.7.1.0
Starting     tuples-0.1.0.0
Starting     primitive-unlifted-0.1.3.0
Starting     primitive-addr-0.1.0.2
Starting     vector-0.12.2.0
Building     tuples-0.1.0.0
Building     primitive-unlifted-0.1.3.0
Building     primitive-addr-0.1.0.2
Building     vector-0.12.2.0
Completed    primitive-addr-0.1.0.2
Completed    tuples-0.1.0.0
Completed    primitive-unlifted-0.1.3.0
Starting     run-st-0.1.1.0
Building     run-st-0.1.1.0
Completed    run-st-0.1.1.0
Completed    vector-0.12.2.0
Starting     byteslice-0.2.5.1
Building     byteslice-0.2.5.1
Failed to install byteslice-0.2.5.1
Build log ( /home/builder/.cabal/logs/ghc-8.10.2/byteslice-0.2.5.1-1Y1ZvRrRu3IDuvx5I8VJW7.log ):
cabal: Entering directory '/tmp/cabal-tmp-10293/byteslice-0.2.5.1'
Configuring byteslice-0.2.5.1...
Preprocessing library for byteslice-0.2.5.1..
Building library for byteslice-0.2.5.1..
[1 of 8] Compiling UnliftedBytes    ( src-unlifted-newtypes/UnliftedBytes.hs, dist/build/UnliftedBytes.o, dist/build/UnliftedBytes.dyn_o )

src-unlifted-newtypes/UnliftedBytes.hs:14:18: error:
    Module ‘GHC.Exts’ does not export ‘cstringLength#’
   |
14 | import GHC.Exts (cstringLength#)
   |                  ^^^^^^^^^^^^^^
cabal: Leaving directory '/tmp/cabal-tmp-10293/byteslice-0.2.5.1'
cabal: Error: some packages failed to install:
byteslice-0.2.5.1-1Y1ZvRrRu3IDuvx5I8VJW7 failed during the building phase. The
exception was:
ExitFailure 1