The build is unreachable.

Build log

> /tmp/stackage-build2451$ stack unpack protobuf-simple-0.1.1.0@sha256:a35b1d466df8998fb9bf6b426374686f4ac5c1c9421c8e02623848e70c5eba79
Unpacked protobuf-simple-0.1.1.0 to /tmp/stackage-build2451/protobuf-simple-0.1.1.0/
> /tmp/stackage-build2451/protobuf-simple-0.1.1.0$ 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/protobuf-simple-0.1.1.0$ ./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/protobuf-simple-0.1.1.0 --htmldir=/home/circleci/project/builds/nightly/doc/protobuf-simple-0.1.1.0 --haddockdir=/home/circleci/project/builds/nightly/doc/protobuf-simple-0.1.1.0
Configuring protobuf-simple-0.1.1.0...
> /tmp/stackage-build2451/protobuf-simple-0.1.1.0$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2451/protobuf-simple-0.1.1.0$ ./Setup build
Preprocessing library for protobuf-simple-0.1.1.0..
Building library for protobuf-simple-0.1.1.0..
[ 1 of 12] Compiling Data.ProtoBuf.Default ( src/Data/ProtoBuf/Default.hs, dist/build/Data/ProtoBuf/Default.o )
[ 2 of 12] Compiling Data.ProtoBuf.FieldNumber ( src/Data/ProtoBuf/FieldNumber.hs, dist/build/Data/ProtoBuf/FieldNumber.o )
[ 3 of 12] Compiling Data.ProtoBuf.Mergeable ( src/Data/ProtoBuf/Mergeable.hs, dist/build/Data/ProtoBuf/Mergeable.o )
[ 4 of 12] Compiling Data.ProtoBuf.WireEnum ( src/Data/ProtoBuf/WireEnum.hs, dist/build/Data/ProtoBuf/WireEnum.o )
[ 5 of 12] Compiling Data.ProtoBuf.WireType ( src/Data/ProtoBuf/WireType.hs, dist/build/Data/ProtoBuf/WireType.o )
[ 6 of 12] Compiling Data.ProtoBuf.WireTag ( src/Data/ProtoBuf/WireTag.hs, dist/build/Data/ProtoBuf/WireTag.o )
[ 7 of 12] Compiling Data.ProtoBuf.WireMessage ( src/Data/ProtoBuf/WireMessage.hs, dist/build/Data/ProtoBuf/WireMessage.o )
[ 8 of 12] Compiling Data.ProtoBuf.Required ( src/Data/ProtoBuf/Required.hs, dist/build/Data/ProtoBuf/Required.o )
[ 9 of 12] Compiling Data.ProtoBuf.ZigZag ( src/Data/ProtoBuf/ZigZag.hs, dist/build/Data/ProtoBuf/ZigZag.o )
[10 of 12] Compiling Data.ProtoBuf.WireFormat ( src/Data/ProtoBuf/WireFormat.hs, dist/build/Data/ProtoBuf/WireFormat.o )
[11 of 12] Compiling Data.ProtoBuf    ( src/Data/ProtoBuf.hs, dist/build/Data/ProtoBuf.o )
[12 of 12] Compiling Data.ProtoBufInt ( src/Data/ProtoBufInt.hs, dist/build/Data/ProtoBufInt.o )
Preprocessing executable 'protobuf-simple-protoc' for protobuf-simple-0.1.1.0..
Building executable 'protobuf-simple-protoc' for protobuf-simple-0.1.1.0..
[ 1 of 17] Compiling Parser.CaseUtils ( src/Parser/CaseUtils.hs, dist/build/protobuf-simple-protoc/protobuf-simple-protoc-tmp/Parser/CaseUtils.o )
[ 2 of 17] Compiling Parser.CodeInfo  ( src/Parser/CodeInfo.hs, dist/build/protobuf-simple-protoc/protobuf-simple-protoc-tmp/Parser/CodeInfo.o )
[ 3 of 17] Compiling Parser.EnumValueDesc ( src/Parser/EnumValueDesc.hs, dist/build/protobuf-simple-protoc/protobuf-simple-protoc-tmp/Parser/EnumValueDesc.o )
[ 4 of 17] Compiling Parser.EnumDesc  ( src/Parser/EnumDesc.hs, dist/build/protobuf-simple-protoc/protobuf-simple-protoc-tmp/Parser/EnumDesc.o )
[ 5 of 17] Compiling Parser.FileWriter ( src/Parser/FileWriter.hs, dist/build/protobuf-simple-protoc/protobuf-simple-protoc-tmp/Parser/FileWriter.o )
[ 6 of 17] Compiling Parser.Label     ( src/Parser/Label.hs, dist/build/protobuf-simple-protoc/protobuf-simple-protoc-tmp/Parser/Label.o )
[ 7 of 17] Compiling Parser.OptimizeMode ( src/Parser/OptimizeMode.hs, dist/build/protobuf-simple-protoc/protobuf-simple-protoc-tmp/Parser/OptimizeMode.o )
[ 8 of 17] Compiling Parser.Type      ( src/Parser/Type.hs, dist/build/protobuf-simple-protoc/protobuf-simple-protoc-tmp/Parser/Type.o )
[ 9 of 17] Compiling Parser.FieldDesc ( src/Parser/FieldDesc.hs, dist/build/protobuf-simple-protoc/protobuf-simple-protoc-tmp/Parser/FieldDesc.o )
[10 of 17] Compiling Parser.MessageDesc ( src/Parser/MessageDesc.hs, dist/build/protobuf-simple-protoc/protobuf-simple-protoc-tmp/Parser/MessageDesc.o )
[11 of 17] Compiling Parser.FileDesc  ( src/Parser/FileDesc.hs, dist/build/protobuf-simple-protoc/protobuf-simple-protoc-tmp/Parser/FileDesc.o )
[12 of 17] Compiling Parser.ProtoParser ( src/Parser/ProtoParser.hs, dist/build/protobuf-simple-protoc/protobuf-simple-protoc-tmp/Parser/ProtoParser.o )
[13 of 17] Compiling Parser.GeneratorUtils ( src/Parser/GeneratorUtils.hs, dist/build/protobuf-simple-protoc/protobuf-simple-protoc-tmp/Parser/GeneratorUtils.o )
[14 of 17] Compiling Parser.MessageGenerator ( src/Parser/MessageGenerator.hs, dist/build/protobuf-simple-protoc/protobuf-simple-protoc-tmp/Parser/MessageGenerator.o )
[15 of 17] Compiling Parser.EnumGenerator ( src/Parser/EnumGenerator.hs, dist/build/protobuf-simple-protoc/protobuf-simple-protoc-tmp/Parser/EnumGenerator.o )
[16 of 17] Compiling Parser.Generator ( src/Parser/Generator.hs, dist/build/protobuf-simple-protoc/protobuf-simple-protoc-tmp/Parser/Generator.o )
[17 of 17] Compiling Main             ( app/Parser.hs, dist/build/protobuf-simple-protoc/protobuf-simple-protoc-tmp/Main.o )
Linking dist/build/protobuf-simple-protoc/protobuf-simple-protoc ...
> /tmp/stackage-build2451/protobuf-simple-0.1.1.0$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2451/protobuf-simple-0.1.1.0$ ./Setup copy
Installing library in /home/circleci/project/builds/nightly/lib/x86_64-linux-ghc-8.7.20181121/protobuf-simple-0.1.1.0-LanuP2I5RgY82kvTegdNUl
Installing executable protobuf-simple-protoc in /home/circleci/project/builds/nightly/bin
> /tmp/stackage-build2451/protobuf-simple-0.1.1.0$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2451/protobuf-simple-0.1.1.0$ ./Setup register
Registering library for protobuf-simple-0.1.1.0..