The build is unreachable.

Build log

> /tmp/stackage-build2451$ stack unpack ViennaRNAParser-1.3.3@sha256:75d04a7201e8d9de30e10531f6f59cfe1d924a909903856de84dea050799dcd3
Unpacked ViennaRNAParser-1.3.3 to /tmp/stackage-build2451/ViennaRNAParser-1.3.3/
> /tmp/stackage-build2451/ViennaRNAParser-1.3.3$ 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-build2451/ViennaRNAParser-1.3.3$ ./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/ViennaRNAParser-1.3.3 --htmldir=/home/circleci/project/builds/nightly/doc/ViennaRNAParser-1.3.3 --haddockdir=/home/circleci/project/builds/nightly/doc/ViennaRNAParser-1.3.3
Configuring ViennaRNAParser-1.3.3...
> /tmp/stackage-build2451/ViennaRNAParser-1.3.3$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2451/ViennaRNAParser-1.3.3$ ./Setup build
Preprocessing library for ViennaRNAParser-1.3.3..
Building library for ViennaRNAParser-1.3.3..
[ 1 of 18] Compiling Bio.RNAalifoldData ( src/Bio/RNAalifoldData.hs, dist/build/Bio/RNAalifoldData.o )
[ 2 of 18] Compiling Bio.RNAcodeData  ( src/Bio/RNAcodeData.hs, dist/build/Bio/RNAcodeData.o )
[ 3 of 18] Compiling Bio.RNAcodeParser ( src/Bio/RNAcodeParser.hs, dist/build/Bio/RNAcodeParser.o )

src/Bio/RNAcodeParser.hs:13:1: warning: [-Wunused-imports]
    The import of ‘Data.Functor.Identity’ is redundant
      except perhaps to import instances from ‘Data.Functor.Identity’
    To import instances alone, use: import Data.Functor.Identity()
   |
13 | import Data.Functor.Identity
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^

src/Bio/RNAcodeParser.hs:21:1: warning: [-Wunused-imports]
    The import of ‘<$>’ from module ‘Control.Applicative’ is redundant
   |
21 | import Control.Applicative ((<*>),(<$>),(<$),pure)
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[ 4 of 18] Compiling Bio.RNAcofoldData ( src/Bio/RNAcofoldData.hs, dist/build/Bio/RNAcofoldData.o )
[ 5 of 18] Compiling Bio.RNAdistanceData ( src/Bio/RNAdistanceData.hs, dist/build/Bio/RNAdistanceData.o )
[ 6 of 18] Compiling Bio.RNAfoldData  ( src/Bio/RNAfoldData.hs, dist/build/Bio/RNAfoldData.o )
[ 7 of 18] Compiling Bio.RNAplexData  ( src/Bio/RNAplexData.hs, dist/build/Bio/RNAplexData.o )
[ 8 of 18] Compiling Bio.RNAupData    ( src/Bio/RNAupData.hs, dist/build/Bio/RNAupData.o )
[ 9 of 18] Compiling Bio.RNAzData     ( src/Bio/RNAzData.hs, dist/build/Bio/RNAzData.o )
[10 of 18] Compiling Bio.ViennaRNAParserLibrary ( src/Bio/ViennaRNAParserLibrary.hs, dist/build/Bio/ViennaRNAParserLibrary.o )
[11 of 18] Compiling Bio.RNAzParser   ( src/Bio/RNAzParser.hs, dist/build/Bio/RNAzParser.o )
[12 of 18] Compiling Bio.RNAupParser  ( src/Bio/RNAupParser.hs, dist/build/Bio/RNAupParser.o )
[13 of 18] Compiling Bio.RNAplexParser ( src/Bio/RNAplexParser.hs, dist/build/Bio/RNAplexParser.o )

src/Bio/RNAplexParser.hs:11:1: warning: [-Wunused-imports]
    The import of ‘Bio.ViennaRNAParserLibrary’ is redundant
      except perhaps to import instances from ‘Bio.ViennaRNAParserLibrary’
    To import instances alone, use: import Bio.ViennaRNAParserLibrary()
   |
11 | import Bio.ViennaRNAParserLibrary
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

src/Bio/RNAplexParser.hs:14:1: warning: [-Wunused-imports]
    The import of ‘Control.Monad’ is redundant
      except perhaps to import instances from ‘Control.Monad’
    To import instances alone, use: import Control.Monad()
   |
14 | import Control.Monad
   | ^^^^^^^^^^^^^^^^^^^^
[14 of 18] Compiling Bio.RNAfoldParser ( src/Bio/RNAfoldParser.hs, dist/build/Bio/RNAfoldParser.o )
[15 of 18] Compiling Bio.RNAdistanceParser ( src/Bio/RNAdistanceParser.hs, dist/build/Bio/RNAdistanceParser.o )
[16 of 18] Compiling Bio.RNAcofoldParser ( src/Bio/RNAcofoldParser.hs, dist/build/Bio/RNAcofoldParser.o )
[17 of 18] Compiling Bio.RNAalifoldParser ( src/Bio/RNAalifoldParser.hs, dist/build/Bio/RNAalifoldParser.o )
[18 of 18] Compiling Bio.ViennaRNAParser ( src/Bio/ViennaRNAParser.hs, dist/build/Bio/ViennaRNAParser.o )
> /tmp/stackage-build2451/ViennaRNAParser-1.3.3$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2451/ViennaRNAParser-1.3.3$ ./Setup copy
Installing library in /home/circleci/project/builds/nightly/lib/x86_64-linux-ghc-8.7.20181119/ViennaRNAParser-1.3.3-2NndFcty3EC9rFsCMl5fyE
> /tmp/stackage-build2451/ViennaRNAParser-1.3.3$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2451/ViennaRNAParser-1.3.3$ ./Setup register
Registering library for ViennaRNAParser-1.3.3..