The build is unreachable.
Build log
> /tmp/stackage-build2455$ stack unpack sysinfo-0.1.1@sha256:e330bbcbc317fc79c59ef10253c15324d11d8b0f402d13948e3bb9fb1791eb4f
Unpacked sysinfo-0.1.1 to /tmp/stackage-build2455/sysinfo-0.1.1/
> /tmp/stackage-build2455/sysinfo-0.1.1$ 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-build2455/sysinfo-0.1.1$ ./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/sysinfo-0.1.1 --htmldir=/home/circleci/project/builds/nightly/doc/sysinfo-0.1.1 --haddockdir=/home/circleci/project/builds/nightly/doc/sysinfo-0.1.1
Configuring sysinfo-0.1.1...
> /tmp/stackage-build2455/sysinfo-0.1.1$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2455/sysinfo-0.1.1$ ./Setup build
Preprocessing library for sysinfo-0.1.1..
Building library for sysinfo-0.1.1..
[1 of 1] Compiling System.SysInfo ( dist/build/System/SysInfo.hs, dist/build/System/SysInfo.o )
> /tmp/stackage-build2455/sysinfo-0.1.1$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2455/sysinfo-0.1.1$ ./Setup copy
Installing library in /home/circleci/project/builds/nightly/lib/x86_64-linux-ghc-8.7.20181122/sysinfo-0.1.1-Ba4nJiTmeQr9pDotVpwk61
> /tmp/stackage-build2455/sysinfo-0.1.1$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2455/sysinfo-0.1.1$ ./Setup register
Registering library for sysinfo-0.1.1..