The build is unreachable.

Build log

> /tmp/stackage-build2453$ stack unpack boolean-normal-forms-0.0.1@sha256:d5f99a06641414171d06211598b5da03a1db1ffeb6defbf584ad9f733b9e61dc
Unpacked boolean-normal-forms-0.0.1 to /tmp/stackage-build2453/boolean-normal-forms-0.0.1/
> /tmp/stackage-build2453/boolean-normal-forms-0.0.1$ 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-build2453/boolean-normal-forms-0.0.1$ ./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/boolean-normal-forms-0.0.1 --htmldir=/home/circleci/project/builds/nightly/doc/boolean-normal-forms-0.0.1 --haddockdir=/home/circleci/project/builds/nightly/doc/boolean-normal-forms-0.0.1
Configuring boolean-normal-forms-0.0.1...
> /tmp/stackage-build2453/boolean-normal-forms-0.0.1$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2453/boolean-normal-forms-0.0.1$ ./Setup build
Preprocessing library for boolean-normal-forms-0.0.1..
Building library for boolean-normal-forms-0.0.1..
[ 1 of 13] Compiling Data.Algebra.Boolean.CoBoolean ( src/Data/Algebra/Boolean/CoBoolean.hs, dist/build/Data/Algebra/Boolean/CoBoolean.o )
[ 2 of 13] Compiling Data.Algebra.Boolean.Negable ( src/Data/Algebra/Boolean/Negable.hs, dist/build/Data/Algebra/Boolean/Negable.o )
[ 3 of 13] Compiling Data.Algebra.Boolean.FreeBoolean ( src/Data/Algebra/Boolean/FreeBoolean.hs, dist/build/Data/Algebra/Boolean/FreeBoolean.o )
[ 4 of 13] Compiling Data.Algebra.Boolean.NormalForm ( src/Data/Algebra/Boolean/NormalForm.hs, dist/build/Data/Algebra/Boolean/NormalForm.o )
[ 5 of 13] Compiling Data.Algebra.Boolean.NNF.Tree ( src/Data/Algebra/Boolean/NNF/Tree.hs, dist/build/Data/Algebra/Boolean/NNF/Tree.o )
[ 6 of 13] Compiling Data.Algebra.Boolean.NNF ( src/Data/Algebra/Boolean/NNF.hs, dist/build/Data/Algebra/Boolean/NNF.o )
[ 7 of 13] Compiling Data.Algebra.Boolean.NNF.Set ( src/Data/Algebra/Boolean/NNF/Set.hs, dist/build/Data/Algebra/Boolean/NNF/Set.o )
[ 8 of 13] Compiling Data.Algebra.Boolean.DNF.Set ( src/Data/Algebra/Boolean/DNF/Set.hs, dist/build/Data/Algebra/Boolean/DNF/Set.o )

src/Data/Algebra/Boolean/DNF/Set.hs:22:1: 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()
   |
22 | import Data.Monoid
   | ^^^^^^^^^^^^^^^^^^
[ 9 of 13] Compiling Data.Algebra.Boolean.DNF ( src/Data/Algebra/Boolean/DNF.hs, dist/build/Data/Algebra/Boolean/DNF.o )
[10 of 13] Compiling Data.Algebra.Boolean.DNF.List ( src/Data/Algebra/Boolean/DNF/List.hs, dist/build/Data/Algebra/Boolean/DNF/List.o )

src/Data/Algebra/Boolean/DNF/List.hs:23:1: 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()
   |
23 | import Data.Monoid
   | ^^^^^^^^^^^^^^^^^^
[11 of 13] Compiling Data.Algebra.Boolean.CNF.Set ( src/Data/Algebra/Boolean/CNF/Set.hs, dist/build/Data/Algebra/Boolean/CNF/Set.o )

src/Data/Algebra/Boolean/CNF/Set.hs:22:1: 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()
   |
22 | import Data.Monoid
   | ^^^^^^^^^^^^^^^^^^
[12 of 13] Compiling Data.Algebra.Boolean.CNF ( src/Data/Algebra/Boolean/CNF.hs, dist/build/Data/Algebra/Boolean/CNF.o )
[13 of 13] Compiling Data.Algebra.Boolean.CNF.List ( src/Data/Algebra/Boolean/CNF/List.hs, dist/build/Data/Algebra/Boolean/CNF/List.o )

src/Data/Algebra/Boolean/CNF/List.hs:23:1: 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()
   |
23 | import Data.Monoid
   | ^^^^^^^^^^^^^^^^^^
> /tmp/stackage-build2453/boolean-normal-forms-0.0.1$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2453/boolean-normal-forms-0.0.1$ ./Setup copy
Installing library in /home/circleci/project/builds/nightly/lib/x86_64-linux-ghc-8.7.20181120/boolean-normal-forms-0.0.1-7AcvHhEogbbLLCrFwY9aU1
> /tmp/stackage-build2453/boolean-normal-forms-0.0.1$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2453/boolean-normal-forms-0.0.1$ ./Setup register
Registering library for boolean-normal-forms-0.0.1..