The build is unreachable.

Build log

> /tmp/stackage-build2453$ stack unpack yeshql-core-4.1.0.2@sha256:59cc047529c19cfb10eb951228522c74be5dc1bdea4b3953c4388710926f3789
Unpacked yeshql-core-4.1.0.2 to /tmp/stackage-build2453/yeshql-core-4.1.0.2/
> /tmp/stackage-build2453/yeshql-core-4.1.0.2$ 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-build2453/yeshql-core-4.1.0.2$ ./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/yeshql-core-4.1.0.2 --htmldir=/home/circleci/project/builds/nightly/doc/yeshql-core-4.1.0.2 --haddockdir=/home/circleci/project/builds/nightly/doc/yeshql-core-4.1.0.2
Configuring yeshql-core-4.1.0.2...
> /tmp/stackage-build2453/yeshql-core-4.1.0.2$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2453/yeshql-core-4.1.0.2$ ./Setup build
Preprocessing library for yeshql-core-4.1.0.2..
Building library for yeshql-core-4.1.0.2..
[1 of 4] Compiling Database.YeshQL.Parser ( src/Database/YeshQL/Parser.hs, dist/build/Database/YeshQL/Parser.o )
[2 of 4] Compiling Database.YeshQL.Core ( src/Database/YeshQL/Core.hs, dist/build/Database/YeshQL/Core.o )
[3 of 4] Compiling Database.YeshQL.Util ( src/Database/YeshQL/Util.hs, dist/build/Database/YeshQL/Util.o )
[4 of 4] Compiling Database.YeshQL.Backend ( src/Database/YeshQL/Backend.hs, dist/build/Database/YeshQL/Backend.o )
> /tmp/stackage-build2453/yeshql-core-4.1.0.2$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2453/yeshql-core-4.1.0.2$ ./Setup copy
Installing library in /home/circleci/project/builds/nightly/lib/x86_64-linux-ghc-8.7.20181120/yeshql-core-4.1.0.2-IQlm88FDFUlAWOx8xGQPMs
> /tmp/stackage-build2453/yeshql-core-4.1.0.2$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2453/yeshql-core-4.1.0.2$ ./Setup register
Registering library for yeshql-core-4.1.0.2..