The build succeeded. 0 test suites succeeded, 0 failed.

Build log

> /tmp/stackage-build2453$ stack unpack btrfs-0.1.2.3@sha256:bbcbd2f0eafd11409205ad66635c73e95951540ab7724003e9a957a9d344c8df
Unpacked btrfs-0.1.2.3 to /tmp/stackage-build2453/btrfs-0.1.2.3/
> /tmp/stackage-build2453/btrfs-0.1.2.3$ 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-build2453/btrfs-0.1.2.3$ ./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/btrfs-0.1.2.3 --htmldir=/home/circleci/project/builds/nightly/doc/btrfs-0.1.2.3 --haddockdir=/home/circleci/project/builds/nightly/doc/btrfs-0.1.2.3
Configuring btrfs-0.1.2.3...
Warning: Packages using 'cabal-version: >= 1.10' must specify the
'default-language' field for each component (e.g. Haskell98 or Haskell2010).
If a component uses different languages in different modules then list the
other ones in the 'other-languages' field.
> /tmp/stackage-build2453/btrfs-0.1.2.3$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2453/btrfs-0.1.2.3$ ./Setup build
Preprocessing library for btrfs-0.1.2.3..
Building library for btrfs-0.1.2.3..
[1 of 7] Compiling Data.Word.Endian ( Data/Word/Endian.hs, dist/build/Data/Word/Endian.o )
[2 of 7] Compiling System.Linux.Btrfs.FilePathLike ( System/Linux/Btrfs/FilePathLike.hs, dist/build/System/Linux/Btrfs/FilePathLike.o )

System/Linux/Btrfs/FilePathLike.hs:9:1: 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()
  |
9 | import Data.Monoid
  | ^^^^^^^^^^^^^^^^^^
[3 of 7] Compiling System.Linux.Btrfs.Time ( dist/build/System/Linux/Btrfs/Time.hs, dist/build/System/Linux/Btrfs/Time.o )
[4 of 7] Compiling System.Linux.Btrfs.UUID ( System/Linux/Btrfs/UUID.hs, dist/build/System/Linux/Btrfs/UUID.o )
[5 of 7] Compiling System.Linux.Capabilities ( dist/build/System/Linux/Capabilities.hs, dist/build/System/Linux/Capabilities.o )
[6 of 7] Compiling System.Linux.Btrfs.ByteString ( dist/build/System/Linux/Btrfs/ByteString.hs, dist/build/System/Linux/Btrfs/ByteString.o )
[7 of 7] Compiling System.Linux.Btrfs ( dist/build/System/Linux/Btrfs.hs, dist/build/System/Linux/Btrfs.o )
> /tmp/stackage-build2453/btrfs-0.1.2.3$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2453/btrfs-0.1.2.3$ ./Setup copy
Installing library in /home/circleci/project/builds/nightly/lib/x86_64-linux-ghc-8.7.20181118/btrfs-0.1.2.3-JyDbaU9A7bV1iSVc0imwvs
> /tmp/stackage-build2453/btrfs-0.1.2.3$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2453/btrfs-0.1.2.3$ ./Setup register
Registering library for btrfs-0.1.2.3..