The build is unreachable.

Build log

> /tmp/stackage-build2456$ stack unpack Glob-0.9.3@sha256:d6f8d3000651a7d72fe468f3840f59fe785dc35cfc16dc76a62821cd798f34dc
Unpacked Glob-0.9.3 to /tmp/stackage-build2456/Glob-0.9.3/
> /tmp/stackage-build2456/Glob-0.9.3$ 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-build2456/Glob-0.9.3$ ./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/Glob-0.9.3 --htmldir=/home/circleci/project/builds/nightly/doc/Glob-0.9.3 --haddockdir=/home/circleci/project/builds/nightly/doc/Glob-0.9.3
Configuring Glob-0.9.3...
> /tmp/stackage-build2456/Glob-0.9.3$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2456/Glob-0.9.3$ ./Setup build
Preprocessing library for Glob-0.9.3..
Building library for Glob-0.9.3..
[1 of 7] Compiling System.FilePath.Glob.Utils ( System/FilePath/Glob/Utils.hs, dist/build/System/FilePath/Glob/Utils.o )
[2 of 7] Compiling System.FilePath.Glob.Base ( System/FilePath/Glob/Base.hs, dist/build/System/FilePath/Glob/Base.o )
[3 of 7] Compiling System.FilePath.Glob.Simplify ( System/FilePath/Glob/Simplify.hs, dist/build/System/FilePath/Glob/Simplify.o )
[4 of 7] Compiling System.FilePath.Glob.Primitive ( System/FilePath/Glob/Primitive.hs, dist/build/System/FilePath/Glob/Primitive.o )
[5 of 7] Compiling System.FilePath.Glob.Match ( System/FilePath/Glob/Match.hs, dist/build/System/FilePath/Glob/Match.o )
[6 of 7] Compiling System.FilePath.Glob.Directory ( System/FilePath/Glob/Directory.hs, dist/build/System/FilePath/Glob/Directory.o )
[7 of 7] Compiling System.FilePath.Glob ( System/FilePath/Glob.hs, dist/build/System/FilePath/Glob.o )
> /tmp/stackage-build2456/Glob-0.9.3$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2456/Glob-0.9.3$ ./Setup copy
Installing library in /home/circleci/project/builds/nightly/lib/x86_64-linux-ghc-8.7.20181117/Glob-0.9.3-DgtT4D80MS13aMxhF7374u
> /tmp/stackage-build2456/Glob-0.9.3$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2456/Glob-0.9.3$ ./Setup register
Registering library for Glob-0.9.3..
> /tmp/stackage-build2456/Glob-0.9.3$ ghc-pkg --no-user-package-db --package-db=/home/circleci/project/builds/nightly/pkgdb hide Glob-0.9.3