The build is unreachable.

Build log

> /tmp/stackage-build2454$ stack unpack records-sop-0.1.0.2@sha256:d5cd12c7fda9ef2316eb0325c33e7fcea335e1bf747b8695961d43ff3dec6876
Unpacked records-sop-0.1.0.2 to /tmp/stackage-build2454/records-sop-0.1.0.2/
> /tmp/stackage-build2454/records-sop-0.1.0.2$ 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/records-sop-0.1.0.2$ ./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/records-sop-0.1.0.2 --htmldir=/home/circleci/project/builds/nightly/doc/records-sop-0.1.0.2 --haddockdir=/home/circleci/project/builds/nightly/doc/records-sop-0.1.0.2
Configuring records-sop-0.1.0.2...
> /tmp/stackage-build2454/records-sop-0.1.0.2$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2454/records-sop-0.1.0.2$ ./Setup build
Preprocessing library for records-sop-0.1.0.2..
Building library for records-sop-0.1.0.2..
[1 of 2] Compiling Generics.SOP.Record ( src/Generics/SOP/Record.hs, dist/build/Generics/SOP/Record.o )
[2 of 2] Compiling Generics.SOP.Record.SubTyping ( src/Generics/SOP/Record/SubTyping.hs, dist/build/Generics/SOP/Record/SubTyping.o )
> /tmp/stackage-build2454/records-sop-0.1.0.2$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2454/records-sop-0.1.0.2$ ./Setup copy
Installing library in /home/circleci/project/builds/nightly/lib/x86_64-linux-ghc-8.7.20181117/records-sop-0.1.0.2-CR0U61OyurQFXzMwqygWAT
> /tmp/stackage-build2454/records-sop-0.1.0.2$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2454/records-sop-0.1.0.2$ ./Setup register
Registering library for records-sop-0.1.0.2..