The build is unreachable.

Build log

> /tmp/stackage-build2452$ stack unpack type-of-html-1.4.0.1@sha256:e431545701d9fa64a2a472f3eb8d3be0e0f4d81fcaa52d429b9fb95b509c4b30
Unpacked type-of-html-1.4.0.1 to /tmp/stackage-build2452/type-of-html-1.4.0.1/
> /tmp/stackage-build2452/type-of-html-1.4.0.1$ 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/type-of-html-1.4.0.1$ ./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/type-of-html-1.4.0.1 --htmldir=/home/circleci/project/builds/nightly/doc/type-of-html-1.4.0.1 --haddockdir=/home/circleci/project/builds/nightly/doc/type-of-html-1.4.0.1
Configuring type-of-html-1.4.0.1...
> /tmp/stackage-build2452/type-of-html-1.4.0.1$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2452/type-of-html-1.4.0.1$ ./Setup build
Preprocessing library for type-of-html-1.4.0.1..
Building library for type-of-html-1.4.0.1..
[1 of 7] Compiling Html.Type.Internal ( src/Html/Type/Internal.hs, dist/build/Html/Type/Internal.o )
[2 of 7] Compiling Html.Type        ( src/Html/Type.hs, dist/build/Html/Type.o )
[3 of 7] Compiling Html.Element     ( src/Html/Element.hs, dist/build/Html/Element.o )
[4 of 7] Compiling Html.Attribute   ( src/Html/Attribute.hs, dist/build/Html/Attribute.o )
[5 of 7] Compiling Html.Convert     ( src/Html/Convert.hs, dist/build/Html/Convert.o )
[6 of 7] Compiling Html.Reify       ( src/Html/Reify.hs, dist/build/Html/Reify.o )
[7 of 7] Compiling Html             ( src/Html.hs, dist/build/Html.o )
> /tmp/stackage-build2452/type-of-html-1.4.0.1$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2452/type-of-html-1.4.0.1$ ./Setup copy
Installing library in /home/circleci/project/builds/nightly/lib/x86_64-linux-ghc-8.7.20181113/type-of-html-1.4.0.1-74X1zMp70xe1oGdMomtT5Z
> /tmp/stackage-build2452/type-of-html-1.4.0.1$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2452/type-of-html-1.4.0.1$ ./Setup register
Registering library for type-of-html-1.4.0.1..