The build is unreachable.

Build log

> /tmp/stackage-build2454$ stack unpack cipher-aes-0.2.11@sha256:3f887a53efb0df216d44e954108fd660a7548e6f109bba1f158cc2c792810f8b
Unpacked cipher-aes-0.2.11 to /tmp/stackage-build2454/cipher-aes-0.2.11/
> /tmp/stackage-build2454/cipher-aes-0.2.11$ 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-build2454/cipher-aes-0.2.11$ ./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/cipher-aes-0.2.11 --htmldir=/home/circleci/project/builds/nightly/doc/cipher-aes-0.2.11 --haddockdir=/home/circleci/project/builds/nightly/doc/cipher-aes-0.2.11
Configuring cipher-aes-0.2.11...
> /tmp/stackage-build2454/cipher-aes-0.2.11$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2454/cipher-aes-0.2.11$ ./Setup build
Preprocessing library for cipher-aes-0.2.11..
Building library for cipher-aes-0.2.11..
[1 of 1] Compiling Crypto.Cipher.AES ( Crypto/Cipher/AES.hs, dist/build/Crypto/Cipher/AES.o )
> /tmp/stackage-build2454/cipher-aes-0.2.11$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2454/cipher-aes-0.2.11$ ./Setup copy
Installing library in /home/circleci/project/builds/nightly/lib/x86_64-linux-ghc-8.7.20181122/cipher-aes-0.2.11-6uNNM4sMxIaLt1e17JZCJQ
> /tmp/stackage-build2454/cipher-aes-0.2.11$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2454/cipher-aes-0.2.11$ ./Setup register
Registering library for cipher-aes-0.2.11..
> /tmp/stackage-build2454/cipher-aes-0.2.11$ ghc-pkg --no-user-package-db --package-db=/home/circleci/project/builds/nightly/pkgdb hide cipher-aes-0.2.11