The build is unreachable.

Build log

> /tmp/stackage-build2456$ stack unpack murmur3-1.0.3@sha256:e6c97f0b43a7882c4509d1993c347f0dc540e03b90014da63623f1054bb4d2c8
Unpacked murmur3-1.0.3 to /tmp/stackage-build2456/murmur3-1.0.3/
> /tmp/stackage-build2456/murmur3-1.0.3$ 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/murmur3-1.0.3$ ./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/murmur3-1.0.3 --htmldir=/home/circleci/project/builds/nightly/doc/murmur3-1.0.3 --haddockdir=/home/circleci/project/builds/nightly/doc/murmur3-1.0.3
Configuring murmur3-1.0.3...
> /tmp/stackage-build2456/murmur3-1.0.3$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2456/murmur3-1.0.3$ ./Setup build
Preprocessing library for murmur3-1.0.3..
Building library for murmur3-1.0.3..
[1 of 1] Compiling Data.Hash.Murmur ( Data/Hash/Murmur.hs, dist/build/Data/Hash/Murmur.o )
> /tmp/stackage-build2456/murmur3-1.0.3$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2456/murmur3-1.0.3$ ./Setup copy
Installing library in /home/circleci/project/builds/nightly/lib/x86_64-linux-ghc-8.7.20181116/murmur3-1.0.3-1fN9wb0prc03WOpaWw6gio
> /tmp/stackage-build2456/murmur3-1.0.3$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2456/murmur3-1.0.3$ ./Setup register
Registering library for murmur3-1.0.3..