The build is unreachable.
Build log
> /tmp/stackage-build2452$ stack unpack split-0.2.3.3@sha256:f1c7b12865e38d1e241ceef74c85eb81d82301022fea1a5012d8d9803af5e26f
Populating index cache ...
Populated index cache.
Unpacked split-0.2.3.3 to /tmp/stackage-build2452/split-0.2.3.3/
> /tmp/stackage-build2452/split-0.2.3.3$ 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-build2452/split-0.2.3.3$ ./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/split-0.2.3.3 --htmldir=/home/circleci/project/builds/nightly/doc/split-0.2.3.3 --haddockdir=/home/circleci/project/builds/nightly/doc/split-0.2.3.3
Configuring split-0.2.3.3...
> /tmp/stackage-build2452/split-0.2.3.3$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2452/split-0.2.3.3$ ./Setup build
Preprocessing library for split-0.2.3.3..
Building library for split-0.2.3.3..
[1 of 2] Compiling Data.List.Split.Internals ( src/Data/List/Split/Internals.hs, dist/build/Data/List/Split/Internals.o )
[2 of 2] Compiling Data.List.Split ( src/Data/List/Split.hs, dist/build/Data/List/Split.o )
> /tmp/stackage-build2452/split-0.2.3.3$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2452/split-0.2.3.3$ ./Setup copy
Installing library in /home/circleci/project/builds/nightly/lib/x86_64-linux-ghc-8.7.20181119/split-0.2.3.3-6n1iQ0JLFvkeXvJXsAqQc
> /tmp/stackage-build2452/split-0.2.3.3$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2452/split-0.2.3.3$ ./Setup register
Registering library for split-0.2.3.3..