@nix { "action": "setPhase", "phase": "setupCompilerEnvironmentPhase" }
setupCompilerEnvironmentPhase
Build with /nix/store/kp4hnhfkd7c6gf3fnb8z897nwnpvg5w7-ghc-8.10.4.
@nix { "action": "setPhase", "phase": "unpackPhase" }
unpacking sources
unpacking source archive /nix/store/bmlig7n45mxxrzkl7c3x8wczwwfl0ffs-reducers-3.12.3.tar.gz
source root is reducers-3.12.3
setting SOURCE_DATE_EPOCH to timestamp 1530631064 of file reducers-3.12.3/.travis.yml
@nix { "action": "setPhase", "phase": "patchPhase" }
patching sources
Replace Cabal file with edited version from mirror://hackage/reducers-3.12.3/revision/2.cabal.
@nix { "action": "setPhase", "phase": "compileBuildDriverPhase" }
compileBuildDriverPhase
setupCompileFlags: -package-db=/build/setup-package.conf.d -j2 +RTS -A64M -RTS -threaded -rtsopts
[1 of 1] Compiling Main             ( Setup.lhs, /build/Main.o )
Linking Setup ...
/nix/store/hy3lz2vfv9qq2v5jz9nzlx6mmiaq79rj-binutils-2.35.1/bin/ld.gold: warning: /nix/store/cvr0kjg2q7z2wwhjblx6c73rv422k8cm-glibc-2.33-47/lib/crt1.o: unknown program property type 0xc0008002 in .note.gnu.property section
@nix { "action": "setPhase", "phase": "configurePhase" }
configuring
configureFlags: --verbose --prefix=/nix/store/cmzsqghh7kr5bs7629pkf9rzf1wldw8k-reducers-3.12.3 --libdir=$prefix/lib/$compiler --libsubdir=$abi/$libname --docdir=/nix/store/3jwyp1a13fm7a0s5fqllzpm4wrwnbjqc-reducers-3.12.3-doc/share/doc/reducers-3.12.3 --with-gcc=gcc --package-db=/build/package.conf.d --ghc-options=-j2 +RTS -A64M -RTS --disable-split-objs --enable-library-profiling --profiling-detail=exported-functions --disable-profiling --enable-shared --disable-coverage --enable-static --disable-executable-dynamic --enable-tests --disable-benchmarks --enable-library-vanilla --disable-library-for-ghci --ghc-option=-split-sections --extra-lib-dirs=/nix/store/yn7nd41grg2mzvzliphalk70hs0rfpdr-ncurses-6.2/lib --extra-lib-dirs=/nix/store/j74nwv61ghpv6zjzjvc14awggaahgm81-libffi-3.3/lib --extra-lib-dirs=/nix/store/fx58y0jdzd2xggdy0pqag2ffj72l7w33-gmp-6.2.1/lib
Using Parsec parser
Configuring reducers-3.12.3...
Dependency array >=0.3 && <0.6: using array-0.5.4.0
Dependency base ==4.*: using base-4.14.1.0
Dependency bytestring >=0.9.1 && <0.12: using bytestring-0.10.12.0
Dependency containers >=0.3 && <0.7: using containers-0.6.2.1
Dependency fingertree ==0.1.*: using fingertree-0.1.4.2
Dependency hashable >=1.1.2.1 && <1.4: using hashable-1.3.0.0
Dependency semigroupoids >=4 && <6: using semigroupoids-5.3.5
Dependency semigroups >=0.9 && <1: using semigroups-0.19.1
Dependency text >=0.11.1.5 && <1.3: using text-1.2.4.1
Dependency transformers >=0.2 && <0.6: using transformers-0.5.6.2
Dependency unordered-containers ==0.2.*: using unordered-containers-0.2.14.0
Source component graph: component lib
Configured component graph:
    component reducers-3.12.3-KXHFIMX17yl95C284f339R
        include array-0.5.4.0
        include base-4.14.1.0
        include bytestring-0.10.12.0
        include containers-0.6.2.1
        include fingertree-0.1.4.2-9StkJtcCql43NdfMsAbjXY
        include hashable-1.3.0.0-Kj7ljBXq9kIShZ8Ubutn7
        include semigroupoids-5.3.5-9r9ELSzDM8qKC88fi0kvKR
        include semigroups-0.19.1-FzieqrLdZI71C64LnuY3Qi
        include text-1.2.4.1
        include transformers-0.5.6.2
        include unordered-containers-0.2.14.0-DFn7i8JqTHIIg6HnZm1W8x
Linked component graph:
    unit reducers-3.12.3-KXHFIMX17yl95C284f339R
        include array-0.5.4.0
        include base-4.14.1.0
        include bytestring-0.10.12.0
        include containers-0.6.2.1
        include fingertree-0.1.4.2-9StkJtcCql43NdfMsAbjXY
        include hashable-1.3.0.0-Kj7ljBXq9kIShZ8Ubutn7
        include semigroupoids-5.3.5-9r9ELSzDM8qKC88fi0kvKR
        include semigroups-0.19.1-FzieqrLdZI71C64LnuY3Qi
        include text-1.2.4.1
        include transformers-0.5.6.2
        include unordered-containers-0.2.14.0-DFn7i8JqTHIIg6HnZm1W8x
        Data.Generator=reducers-3.12.3-KXHFIMX17yl95C284f339R:Data.Generator,Data.Generator.Combinators=reducers-3.12.3-KXHFIMX17yl95C284f339R:Data.Generator.Combinators,Data.Semigroup.Alt=reducers-3.12.3-KXHFIMX17yl95C284f339R:Data.Semigroup.Alt,Data.Semigroup.Alternative=reducers-3.12.3-KXHFIMX17yl95C284f339R:Data.Semigroup.Alternative,Data.Semigroup.Applicative=reducers-3.12.3-KXHFIMX17yl95C284f339R:Data.Semigroup.Applicative,Data.Semigroup.Apply=reducers-3.12.3-KXHFIMX17yl95C284f339R:Data.Semigroup.Apply,Data.Semigroup.Generator=reducers-3.12.3-KXHFIMX17yl95C284f339R:Data.Semigroup.Generator,Data.Semigroup.Instances=reducers-3.12.3-KXHFIMX17yl95C284f339R:Data.Semigroup.Instances,Data.Semigroup.Monad=reducers-3.12.3-KXHFIMX17yl95C284f339R:Data.Semigroup.Monad,Data.Semigroup.MonadPlus=reducers-3.12.3-KXHFIMX17yl95C284f339R:Data.Semigroup.MonadPlus,Data.Semigroup.Reducer=reducers-3.12.3-KXHFIMX17yl95C284f339R:Data.Semigroup.Reducer,Data.Semigroup.Reducer.With=reducers-3.12.3-KXHFIMX17yl95C284f339R:Data.Semigroup.Reducer.With,Data.Semigroup.Self=reducers-3.12.3-KXHFIMX17yl95C284f339R:Data.Semigroup.Self,Data.Semigroup.Union=reducers-3.12.3-KXHFIMX17yl95C284f339R:Data.Semigroup.Union
Ready component graph:
    definite reducers-3.12.3-KXHFIMX17yl95C284f339R
        depends array-0.5.4.0
        depends base-4.14.1.0
        depends bytestring-0.10.12.0
        depends containers-0.6.2.1
        depends fingertree-0.1.4.2-9StkJtcCql43NdfMsAbjXY
        depends hashable-1.3.0.0-Kj7ljBXq9kIShZ8Ubutn7
        depends semigroupoids-5.3.5-9r9ELSzDM8qKC88fi0kvKR
        depends semigroups-0.19.1-FzieqrLdZI71C64LnuY3Qi
        depends text-1.2.4.1
        depends transformers-0.5.6.2
        depends unordered-containers-0.2.14.0-DFn7i8JqTHIIg6HnZm1W8x
Using Cabal-3.2.1.0 compiled by ghc-8.10
Using compiler: ghc-8.10.4
Using install prefix:
/nix/store/cmzsqghh7kr5bs7629pkf9rzf1wldw8k-reducers-3.12.3
Executables installed in:
/nix/store/cmzsqghh7kr5bs7629pkf9rzf1wldw8k-reducers-3.12.3/bin
Libraries installed in:
/nix/store/cmzsqghh7kr5bs7629pkf9rzf1wldw8k-reducers-3.12.3/lib/ghc-8.10.4/x86_64-linux-ghc-8.10.4/reducers-3.12.3-KXHFIMX17yl95C284f339R
Dynamic Libraries installed in:
/nix/store/cmzsqghh7kr5bs7629pkf9rzf1wldw8k-reducers-3.12.3/lib/ghc-8.10.4/x86_64-linux-ghc-8.10.4
Private executables installed in:
/nix/store/cmzsqghh7kr5bs7629pkf9rzf1wldw8k-reducers-3.12.3/libexec/x86_64-linux-ghc-8.10.4/reducers-3.12.3
Data files installed in:
/nix/store/cmzsqghh7kr5bs7629pkf9rzf1wldw8k-reducers-3.12.3/share/x86_64-linux-ghc-8.10.4/reducers-3.12.3
Documentation installed in:
/nix/store/3jwyp1a13fm7a0s5fqllzpm4wrwnbjqc-reducers-3.12.3-doc/share/doc/reducers-3.12.3
Configuration files installed in:
/nix/store/cmzsqghh7kr5bs7629pkf9rzf1wldw8k-reducers-3.12.3/etc
No alex found
Using ar found on system at:
/nix/store/hy3lz2vfv9qq2v5jz9nzlx6mmiaq79rj-binutils-2.35.1/bin/ar
No c2hs found
No cpphs found
No doctest found
Using gcc version 10.3.0 given by user at:
/nix/store/qvv5y4fx4x879rbsbs4g27mypl9wxbb9-gcc-wrapper-10.3.0/bin/gcc
Using ghc version 8.10.4 found on system at:
/nix/store/kp4hnhfkd7c6gf3fnb8z897nwnpvg5w7-ghc-8.10.4/bin/ghc
Using ghc-pkg version 8.10.4 found on system at:
/nix/store/kp4hnhfkd7c6gf3fnb8z897nwnpvg5w7-ghc-8.10.4/bin/ghc-pkg
No ghcjs found
No ghcjs-pkg found
No greencard found
Using haddock version 2.24.0 found on system at:
/nix/store/kp4hnhfkd7c6gf3fnb8z897nwnpvg5w7-ghc-8.10.4/bin/haddock
No happy found
Using haskell-suite found on system at: haskell-suite-dummy-location
Using haskell-suite-pkg found on system at: haskell-suite-pkg-dummy-location
No hmake found
Using hpc version 0.68 found on system at:
/nix/store/kp4hnhfkd7c6gf3fnb8z897nwnpvg5w7-ghc-8.10.4/bin/hpc
Using hsc2hs version 0.68.7 found on system at:
/nix/store/kp4hnhfkd7c6gf3fnb8z897nwnpvg5w7-ghc-8.10.4/bin/hsc2hs
Using hscolour version 1.24 found on system at:
/nix/store/8ifzq6lqf63gzg70pbgbgs6sbccdam6k-hscolour-1.24.4/bin/HsColour
No jhc found
Using ld found on system at:
/nix/store/rs4jynk5rpvag2b2f8m7nrzsypjss4w1-binutils-wrapper-2.35.1/bin/ld.gold
No pkg-config found
Using runghc version 8.10.4 found on system at:
/nix/store/kp4hnhfkd7c6gf3fnb8z897nwnpvg5w7-ghc-8.10.4/bin/runghc
Using strip version 2.35 found on system at:
/nix/store/hy3lz2vfv9qq2v5jz9nzlx6mmiaq79rj-binutils-2.35.1/bin/strip
Using tar found on system at:
/nix/store/87l7j4jcsl6x50nzpii751cdbsa26b0f-gnutar-1.34/bin/tar
No uhc found
@nix { "action": "setPhase", "phase": "buildPhase" }
building
Preprocessing library for reducers-3.12.3..
Building library for reducers-3.12.3..
[ 1 of 14] Compiling Data.Semigroup.Instances ( src/Data/Semigroup/Instances.hs, dist/build/Data/Semigroup/Instances.o, dist/build/Data/Semigroup/Instances.dyn_o )
[ 2 of 14] Compiling Data.Semigroup.Reducer ( src/Data/Semigroup/Reducer.hs, dist/build/Data/Semigroup/Reducer.o, dist/build/Data/Semigroup/Reducer.dyn_o )
[ 3 of 14] Compiling Data.Semigroup.MonadPlus ( src/Data/Semigroup/MonadPlus.hs, dist/build/Data/Semigroup/MonadPlus.o, dist/build/Data/Semigroup/MonadPlus.dyn_o )

src/Data/Semigroup/MonadPlus.hs:31:1: warning: [-Wunused-imports]
    The import of ‘Data.Semigroup’ is redundant
      except perhaps to import instances from ‘Data.Semigroup’
    To import instances alone, use: import Data.Semigroup()
   |
31 | import Data.Semigroup (Semigroup(..))
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[ 4 of 14] Compiling Data.Semigroup.Monad ( src/Data/Semigroup/Monad.hs, dist/build/Data/Semigroup/Monad.o, dist/build/Data/Semigroup/Monad.dyn_o )

src/Data/Semigroup/Monad.hs:31:1: warning: [-Wunused-imports]
    The import of ‘Data.Semigroup’ is redundant
      except perhaps to import instances from ‘Data.Semigroup’
    To import instances alone, use: import Data.Semigroup()
   |
31 | import Data.Semigroup (Semigroup(..))
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[ 5 of 14] Compiling Data.Semigroup.Apply ( src/Data/Semigroup/Apply.hs, dist/build/Data/Semigroup/Apply.o, dist/build/Data/Semigroup/Apply.dyn_o )

src/Data/Semigroup/Apply.hs:30:1: warning: [-Wunused-imports]
    The import of ‘Data.Semigroup’ is redundant
      except perhaps to import instances from ‘Data.Semigroup’
    To import instances alone, use: import Data.Semigroup()
   |
30 | import Data.Semigroup (Semigroup(..))
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[ 6 of 14] Compiling Data.Semigroup.Applicative ( src/Data/Semigroup/Applicative.hs, dist/build/Data/Semigroup/Applicative.o, dist/build/Data/Semigroup/Applicative.dyn_o )

src/Data/Semigroup/Applicative.hs:30:1: warning: [-Wunused-imports]
    The import of ‘Data.Semigroup’ is redundant
      except perhaps to import instances from ‘Data.Semigroup’
    To import instances alone, use: import Data.Semigroup()
   |
30 | import Data.Semigroup (Semigroup(..))
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[ 7 of 14] Compiling Data.Semigroup.Alternative ( src/Data/Semigroup/Alternative.hs, dist/build/Data/Semigroup/Alternative.o, dist/build/Data/Semigroup/Alternative.dyn_o )

src/Data/Semigroup/Alternative.hs:28:1: warning: [-Wunused-imports]
    The import of ‘Data.Semigroup’ is redundant
      except perhaps to import instances from ‘Data.Semigroup’
    To import instances alone, use: import Data.Semigroup()
   |
28 | import Data.Semigroup (Semigroup(..))
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[ 8 of 14] Compiling Data.Semigroup.Alt ( src/Data/Semigroup/Alt.hs, dist/build/Data/Semigroup/Alt.o, dist/build/Data/Semigroup/Alt.dyn_o )

src/Data/Semigroup/Alt.hs:28:1: warning: [-Wunused-imports]
    The import of ‘Data.Semigroup’ is redundant
      except perhaps to import instances from ‘Data.Semigroup’
    To import instances alone, use: import Data.Semigroup()
   |
28 | import Data.Semigroup (Semigroup(..))
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[ 9 of 14] Compiling Data.Generator   ( src/Data/Generator.hs, dist/build/Data/Generator.o, dist/build/Data/Generator.dyn_o )
[10 of 14] Compiling Data.Semigroup.Generator ( src/Data/Semigroup/Generator.hs, dist/build/Data/Semigroup/Generator.o, dist/build/Data/Semigroup/Generator.dyn_o )

src/Data/Semigroup/Generator.hs:35:1: warning: [-Wunused-imports]
    The import of ‘Data.Semigroup’ is redundant
      except perhaps to import instances from ‘Data.Semigroup’
    To import instances alone, use: import Data.Semigroup()
   |
35 | import Data.Semigroup (Semigroup(..)) -- , WrappedMonoid(..))
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[11 of 14] Compiling Data.Generator.Combinators ( src/Data/Generator/Combinators.hs, dist/build/Data/Generator/Combinators.o, dist/build/Data/Generator/Combinators.dyn_o )
[12 of 14] Compiling Data.Semigroup.Reducer.With ( src/Data/Semigroup/Reducer/With.hs, dist/build/Data/Semigroup/Reducer/With.o, dist/build/Data/Semigroup/Reducer/With.dyn_o )
[13 of 14] Compiling Data.Semigroup.Self ( src/Data/Semigroup/Self.hs, dist/build/Data/Semigroup/Self.o, dist/build/Data/Semigroup/Self.dyn_o )
[14 of 14] Compiling Data.Semigroup.Union ( src/Data/Semigroup/Union.hs, dist/build/Data/Semigroup/Union.o, dist/build/Data/Semigroup/Union.dyn_o )
[ 1 of 14] Compiling Data.Semigroup.Instances ( src/Data/Semigroup/Instances.hs, dist/build/Data/Semigroup/Instances.p_o )
[ 2 of 14] Compiling Data.Semigroup.Reducer ( src/Data/Semigroup/Reducer.hs, dist/build/Data/Semigroup/Reducer.p_o )
[ 3 of 14] Compiling Data.Semigroup.MonadPlus ( src/Data/Semigroup/MonadPlus.hs, dist/build/Data/Semigroup/MonadPlus.p_o )

src/Data/Semigroup/MonadPlus.hs:31:1: warning: [-Wunused-imports]
    The import of ‘Data.Semigroup’ is redundant
      except perhaps to import instances from ‘Data.Semigroup’
    To import instances alone, use: import Data.Semigroup()
   |
31 | import Data.Semigroup (Semigroup(..))
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[ 4 of 14] Compiling Data.Semigroup.Monad ( src/Data/Semigroup/Monad.hs, dist/build/Data/Semigroup/Monad.p_o )

src/Data/Semigroup/Monad.hs:31:1: warning: [-Wunused-imports]
    The import of ‘Data.Semigroup’ is redundant
      except perhaps to import instances from ‘Data.Semigroup’
    To import instances alone, use: import Data.Semigroup()
   |
31 | import Data.Semigroup (Semigroup(..))
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[ 5 of 14] Compiling Data.Semigroup.Apply ( src/Data/Semigroup/Apply.hs, dist/build/Data/Semigroup/Apply.p_o )

src/Data/Semigroup/Apply.hs:30:1: warning: [-Wunused-imports]
    The import of ‘Data.Semigroup’ is redundant
      except perhaps to import instances from ‘Data.Semigroup’
    To import instances alone, use: import Data.Semigroup()
   |
30 | import Data.Semigroup (Semigroup(..))
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[ 6 of 14] Compiling Data.Semigroup.Applicative ( src/Data/Semigroup/Applicative.hs, dist/build/Data/Semigroup/Applicative.p_o )

src/Data/Semigroup/Applicative.hs:30:1: warning: [-Wunused-imports]
    The import of ‘Data.Semigroup’ is redundant
      except perhaps to import instances from ‘Data.Semigroup’
    To import instances alone, use: import Data.Semigroup()
   |
30 | import Data.Semigroup (Semigroup(..))
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[ 7 of 14] Compiling Data.Semigroup.Alternative ( src/Data/Semigroup/Alternative.hs, dist/build/Data/Semigroup/Alternative.p_o )

src/Data/Semigroup/Alternative.hs:28:1: warning: [-Wunused-imports]
    The import of ‘Data.Semigroup’ is redundant
      except perhaps to import instances from ‘Data.Semigroup’
    To import instances alone, use: import Data.Semigroup()
   |
28 | import Data.Semigroup (Semigroup(..))
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[ 8 of 14] Compiling Data.Semigroup.Alt ( src/Data/Semigroup/Alt.hs, dist/build/Data/Semigroup/Alt.p_o )

src/Data/Semigroup/Alt.hs:28:1: warning: [-Wunused-imports]
    The import of ‘Data.Semigroup’ is redundant
      except perhaps to import instances from ‘Data.Semigroup’
    To import instances alone, use: import Data.Semigroup()
   |
28 | import Data.Semigroup (Semigroup(..))
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[ 9 of 14] Compiling Data.Generator   ( src/Data/Generator.hs, dist/build/Data/Generator.p_o )
[10 of 14] Compiling Data.Semigroup.Generator ( src/Data/Semigroup/Generator.hs, dist/build/Data/Semigroup/Generator.p_o )

src/Data/Semigroup/Generator.hs:35:1: warning: [-Wunused-imports]
    The import of ‘Data.Semigroup’ is redundant
      except perhaps to import instances from ‘Data.Semigroup’
    To import instances alone, use: import Data.Semigroup()
   |
35 | import Data.Semigroup (Semigroup(..)) -- , WrappedMonoid(..))
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[11 of 14] Compiling Data.Generator.Combinators ( src/Data/Generator/Combinators.hs, dist/build/Data/Generator/Combinators.p_o )
[12 of 14] Compiling Data.Semigroup.Reducer.With ( src/Data/Semigroup/Reducer/With.hs, dist/build/Data/Semigroup/Reducer/With.p_o )
[13 of 14] Compiling Data.Semigroup.Self ( src/Data/Semigroup/Self.hs, dist/build/Data/Semigroup/Self.p_o )
[14 of 14] Compiling Data.Semigroup.Union ( src/Data/Semigroup/Union.hs, dist/build/Data/Semigroup/Union.p_o )
@nix { "action": "setPhase", "phase": "checkPhase" }
running tests
Package has no test suites.
@nix { "action": "setPhase", "phase": "haddockPhase" }
haddockPhase
Preprocessing library for reducers-3.12.3..
Running Haddock on library for reducers-3.12.3..
Warning: --source-* options are ignored when --hyperlinked-source is enabled.
Haddock coverage:
   0% (  0 /  1) in 'Data.Semigroup.Instances'
  Missing documentation for:
    Module header
Warning: 'Generator' is out of scope.
    If you qualify the identifier, haddock can try to link it anyway.
  55% (  5 /  9) in 'Data.Semigroup.Reducer'
  Missing documentation for:
    foldMapReduce1 (src/Data/Semigroup/Reducer.hs:98)
    pureUnit (src/Data/Semigroup/Reducer.hs:112)
    returnUnit (src/Data/Semigroup/Reducer.hs:109)
    Count (src/Data/Semigroup/Reducer.hs:115)

src/Data/Semigroup/MonadPlus.hs:31:1: warning: [-Wunused-imports]
    The import of ‘Data.Semigroup’ is redundant
      except perhaps to import instances from ‘Data.Semigroup’
    To import instances alone, use: import Data.Semigroup()
   |
31 | import Data.Semigroup (Semigroup(..))
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 100% (  2 /  2) in 'Data.Semigroup.MonadPlus'

src/Data/Semigroup/Monad.hs:31:1: warning: [-Wunused-imports]
    The import of ‘Data.Semigroup’ is redundant
      except perhaps to import instances from ‘Data.Semigroup’
    To import instances alone, use: import Data.Semigroup()
   |
31 | import Data.Semigroup (Semigroup(..))
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  66% (  2 /  3) in 'Data.Semigroup.Monad'
  Missing documentation for:
    Mon (src/Data/Semigroup/Monad.hs:58)

src/Data/Semigroup/Apply.hs:30:1: warning: [-Wunused-imports]
    The import of ‘Data.Semigroup’ is redundant
      except perhaps to import instances from ‘Data.Semigroup’
    To import instances alone, use: import Data.Semigroup()
   |
30 | import Data.Semigroup (Semigroup(..))
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Warning: 'traverse_' is out of scope.
    If you qualify the identifier, haddock can try to link it anyway.
 100% (  3 /  3) in 'Data.Semigroup.Apply'

src/Data/Semigroup/Applicative.hs:30:1: warning: [-Wunused-imports]
    The import of ‘Data.Semigroup’ is redundant
      except perhaps to import instances from ‘Data.Semigroup’
    To import instances alone, use: import Data.Semigroup()
   |
30 | import Data.Semigroup (Semigroup(..))
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Warning: 'traverse_' is out of scope.
    If you qualify the identifier, haddock can try to link it anyway.
  66% (  2 /  3) in 'Data.Semigroup.Applicative'
  Missing documentation for:
    Ap (src/Data/Semigroup/Applicative.hs:57)

src/Data/Semigroup/Alternative.hs:28:1: warning: [-Wunused-imports]
    The import of ‘Data.Semigroup’ is redundant
      except perhaps to import instances from ‘Data.Semigroup’
    To import instances alone, use: import Data.Semigroup()
   |
28 | import Data.Semigroup (Semigroup(..))
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 100% (  2 /  2) in 'Data.Semigroup.Alternative'

src/Data/Semigroup/Alt.hs:28:1: warning: [-Wunused-imports]
    The import of ‘Data.Semigroup’ is redundant
      except perhaps to import instances from ‘Data.Semigroup’
    To import instances alone, use: import Data.Semigroup()
   |
28 | import Data.Semigroup (Semigroup(..))
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 100% (  2 /  2) in 'Data.Semigroup.Alt'
Warning: 'ByteString' is out of scope.
    If you qualify the identifier, haddock can try to link it anyway.
Warning: 'UTF8' is out of scope.
    If you qualify the identifier, haddock can try to link it anyway.
  81% (  9 / 11) in 'Data.Generator'
  Missing documentation for:
    mapReduceWith (src/Data/Generator.hs:212)
    reduceWith (src/Data/Generator.hs:216)

src/Data/Semigroup/Generator.hs:35:1: warning: [-Wunused-imports]
    The import of ‘Data.Semigroup’ is redundant
      except perhaps to import instances from ‘Data.Semigroup’
    To import instances alone, use: import Data.Semigroup()
   |
35 | import Data.Semigroup (Semigroup(..)) -- , WrappedMonoid(..))
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  71% (  5 /  7) in 'Data.Semigroup.Generator'
  Missing documentation for:
    mapReduceWith1 (src/Data/Semigroup/Generator.hs:68)
    reduceWith1 (src/Data/Semigroup/Generator.hs:72)
Warning: 'getAlt' is out of scope.
    If you qualify the identifier, haddock can try to link it anyway.
 100% ( 26 / 26) in 'Data.Generator.Combinators'
 100% (  2 /  2) in 'Data.Semigroup.Reducer.With'
Warning: 'reduce' is out of scope.
    If you qualify the identifier, haddock can try to link it anyway.
Warning: 'mapReduce' is out of scope.
    If you qualify the identifier, haddock can try to link it anyway.
Warning: 'fold' is out of scope.
    If you qualify the identifier, haddock can try to link it anyway.
  50% (  1 /  2) in 'Data.Semigroup.Self'
  Missing documentation for:
    Self (src/Data/Semigroup/Self.hs:41)
  70% (  7 / 10) in 'Data.Semigroup.Union'
  Missing documentation for:
    Module header
    HasUnion0 (src/Data/Semigroup/Union.hs:64)
    HasUnionWith0 (src/Data/Semigroup/Union.hs:147)
Documentation created: dist/doc/html/reducers/index.html,
dist/doc/html/reducers/reducers.txt
@nix { "action": "setPhase", "phase": "installPhase" }
installing
Installing library in /nix/store/cmzsqghh7kr5bs7629pkf9rzf1wldw8k-reducers-3.12.3/lib/ghc-8.10.4/x86_64-linux-ghc-8.10.4/reducers-3.12.3-KXHFIMX17yl95C284f339R
@nix { "action": "setPhase", "phase": "fixupPhase" }
post-installation fixup
shrinking RPATHs of ELF executables and libraries in /nix/store/cmzsqghh7kr5bs7629pkf9rzf1wldw8k-reducers-3.12.3
shrinking /nix/store/cmzsqghh7kr5bs7629pkf9rzf1wldw8k-reducers-3.12.3/lib/ghc-8.10.4/x86_64-linux-ghc-8.10.4/libHSreducers-3.12.3-KXHFIMX17yl95C284f339R-ghc8.10.4.so
strip is /nix/store/hy3lz2vfv9qq2v5jz9nzlx6mmiaq79rj-binutils-2.35.1/bin/strip
stripping (with command strip and flags -S) in /nix/store/cmzsqghh7kr5bs7629pkf9rzf1wldw8k-reducers-3.12.3/lib 
patching script interpreter paths in /nix/store/cmzsqghh7kr5bs7629pkf9rzf1wldw8k-reducers-3.12.3
checking for references to /build/ in /nix/store/cmzsqghh7kr5bs7629pkf9rzf1wldw8k-reducers-3.12.3...
shrinking RPATHs of ELF executables and libraries in /nix/store/3jwyp1a13fm7a0s5fqllzpm4wrwnbjqc-reducers-3.12.3-doc
strip is /nix/store/hy3lz2vfv9qq2v5jz9nzlx6mmiaq79rj-binutils-2.35.1/bin/strip
patching script interpreter paths in /nix/store/3jwyp1a13fm7a0s5fqllzpm4wrwnbjqc-reducers-3.12.3-doc
checking for references to /build/ in /nix/store/3jwyp1a13fm7a0s5fqllzpm4wrwnbjqc-reducers-3.12.3-doc...