The build is unreachable.

Build log

> /tmp/stackage-build2454$ stack unpack thread-local-storage-0.2@sha256:5a9f85d1b01bdd4fac00fa82bccee4889b50c2a62cade21a00931b91215506a8
Unpacked thread-local-storage-0.2 to /tmp/stackage-build2454/thread-local-storage-0.2/
> /tmp/stackage-build2454/thread-local-storage-0.2$ 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/thread-local-storage-0.2$ ./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/thread-local-storage-0.2 --htmldir=/home/circleci/project/builds/nightly/doc/thread-local-storage-0.2 --haddockdir=/home/circleci/project/builds/nightly/doc/thread-local-storage-0.2
Configuring thread-local-storage-0.2...
> /tmp/stackage-build2454/thread-local-storage-0.2$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2454/thread-local-storage-0.2$ ./Setup build
Preprocessing library for thread-local-storage-0.2..
Building library for thread-local-storage-0.2..
[1 of 3] Compiling Data.TLS.GHC     ( Data/TLS/GHC.hs, dist/build/Data/TLS/GHC.o )
[2 of 3] Compiling Data.TLS.PThread.Internal ( Data/TLS/PThread/Internal.hs, dist/build/Data/TLS/PThread/Internal.o )
[3 of 3] Compiling Data.TLS.PThread ( Data/TLS/PThread.hs, dist/build/Data/TLS/PThread.o )
> /tmp/stackage-build2454/thread-local-storage-0.2$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2454/thread-local-storage-0.2$ ./Setup copy
Installing library in /home/circleci/project/builds/nightly/lib/x86_64-linux-ghc-8.7.20181117/thread-local-storage-0.2-EhkNqq8uHvLEgjO8WC8Eqk
> /tmp/stackage-build2454/thread-local-storage-0.2$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2454/thread-local-storage-0.2$ ./Setup register
Registering library for thread-local-storage-0.2..