The build is unreachable.

Build log

> /tmp/stackage-build2453$ stack unpack word24-2.0.1@sha256:2898d3e7bba29c63c6b9db603eb04601b1ccf6fa0760ecb2bd74d96433b53788
Unpacked word24-2.0.1 to /tmp/stackage-build2453/word24-2.0.1/
> /tmp/stackage-build2453/word24-2.0.1$ 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/word24-2.0.1$ ./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/word24-2.0.1 --htmldir=/home/circleci/project/builds/nightly/doc/word24-2.0.1 --haddockdir=/home/circleci/project/builds/nightly/doc/word24-2.0.1
Configuring word24-2.0.1...
> /tmp/stackage-build2453/word24-2.0.1$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2453/word24-2.0.1$ ./Setup build
Preprocessing library for word24-2.0.1..
Building library for word24-2.0.1..
[1 of 2] Compiling Data.Word.Word24 ( src/Data/Word/Word24.hs, dist/build/Data/Word/Word24.o )
[2 of 2] Compiling Data.Int.Int24   ( src/Data/Int/Int24.hs, dist/build/Data/Int/Int24.o )
> /tmp/stackage-build2453/word24-2.0.1$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2453/word24-2.0.1$ ./Setup copy
Installing library in /home/circleci/project/builds/nightly/lib/x86_64-linux-ghc-8.7.20181120/word24-2.0.1-AYPdCVd56RLKVUAFs6kj7F
> /tmp/stackage-build2453/word24-2.0.1$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2453/word24-2.0.1$ ./Setup register
Registering library for word24-2.0.1..