The build is unreachable.

Build log

> /tmp/stackage-build2455$ stack unpack lucid-2.9.11@sha256:edf096b2cb58c3489d81385cb457d0799fa24433036d353fbebc039516f5e278
Unpacked lucid-2.9.11 to /tmp/stackage-build2455/lucid-2.9.11/
> /tmp/stackage-build2455/lucid-2.9.11$ 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-build2455/lucid-2.9.11$ ./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/lucid-2.9.11 --htmldir=/home/circleci/project/builds/nightly/doc/lucid-2.9.11 --haddockdir=/home/circleci/project/builds/nightly/doc/lucid-2.9.11
Configuring lucid-2.9.11...
> /tmp/stackage-build2455/lucid-2.9.11$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2455/lucid-2.9.11$ ./Setup build
Preprocessing library for lucid-2.9.11..
Building library for lucid-2.9.11..
[1 of 4] Compiling Lucid.Base       ( src/Lucid/Base.hs, dist/build/Lucid/Base.o )
[2 of 4] Compiling Lucid.Html5      ( src/Lucid/Html5.hs, dist/build/Lucid/Html5.o )

src/Lucid/Html5.hs:11:1: warning: [-Wunused-imports]
    The import of ‘Data.Monoid’ is redundant
      except perhaps to import instances from ‘Data.Monoid’
    To import instances alone, use: import Data.Monoid()
   |
11 | import           Data.Monoid
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[3 of 4] Compiling Lucid.Bootstrap  ( src/Lucid/Bootstrap.hs, dist/build/Lucid/Bootstrap.o )
[4 of 4] Compiling Lucid            ( src/Lucid.hs, dist/build/Lucid.o )
> /tmp/stackage-build2455/lucid-2.9.11$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2455/lucid-2.9.11$ ./Setup copy
Installing library in /home/circleci/project/builds/nightly/lib/x86_64-linux-ghc-8.7.20181122/lucid-2.9.11-EOJbM1xt87NH5C4LAc2MR6
> /tmp/stackage-build2455/lucid-2.9.11$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2455/lucid-2.9.11$ ./Setup register
Registering library for lucid-2.9.11..