Build #3 for rings-0.0.2.3

[all reports]

Package rings-0.0.2.3
Install BuildFailed
Docs NotTried
Tests NotTried
Time submitted 2019-12-30 03:49:50.876260568 UTC
Compiler ghc-8.6.3
OS linux
Arch x86_64
Dependencies adjunctions-4.4, base-4.12.0.0, connections-0.0.2.2, containers-0.6.0.1, distributive-0.6.1, lawz-0.0.1, semigroupoids-5.3.4
Flags none

Code Coverage

No Code Coverage was submitted for this report.

Build log

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Warning: The install command is a part of the legacy v1 style of cabal usage.

Please switch to using either the new project style and the new-install
command or the legacy v1-install alias as new-style projects will become the
default in the next version of cabal-install. Please file a bug if you cannot
replicate a working v1- use case with the new-style commands.

For more information, see: https://wiki.haskell.org/Cabal/NewBuild

Resolving dependencies...
Starting     StateVar-1.2
Starting     cabal-doctest-1.0.8
Starting     exceptions-0.10.4
Starting     base-orphans-0.8.1
Building     StateVar-1.2
Building     base-orphans-0.8.1
Building     cabal-doctest-1.0.8
Building     exceptions-0.10.4
Completed    base-orphans-0.8.1
Starting     hashable-1.3.0.0
Completed    StateVar-1.2
Starting     lawz-0.0.1
Building     hashable-1.3.0.0
Building     lawz-0.0.1
Completed    cabal-doctest-1.0.8
Starting     semigroups-0.19.1
Building     semigroups-0.19.1
Completed    exceptions-0.10.4
Starting     tagged-0.8.6
Completed    lawz-0.0.1
Starting     th-abstraction-0.3.1.0
Completed    semigroups-0.19.1
Starting     transformers-compat-0.6.5
Building     tagged-0.8.6
Building     th-abstraction-0.3.1.0
Building     transformers-compat-0.6.5
Completed    hashable-1.3.0.0
Starting     void-0.7.3
Building     void-0.7.3
Completed    void-0.7.3
Starting     contravariant-1.5.2
Building     contravariant-1.5.2
Completed    tagged-0.8.6
Starting     unordered-containers-0.2.10.0
Completed    transformers-compat-0.6.5
Starting     distributive-0.6.1
Building     unordered-containers-0.2.10.0
Completed    th-abstraction-0.3.1.0
Starting     transformers-base-0.4.5.2
Building     transformers-base-0.4.5.2
Building     distributive-0.6.1
Completed    contravariant-1.5.2
Completed    transformers-base-0.4.5.2
Completed    distributive-0.6.1
Starting     comonad-5.0.6
Building     comonad-5.0.6
Completed    unordered-containers-0.2.10.0
Completed    comonad-5.0.6
Starting     bifunctors-5.5.6
Building     bifunctors-5.5.6
Completed    bifunctors-5.5.6
Starting     profunctors-5.5.1
Starting     semigroupoids-5.3.4
Building     profunctors-5.5.1
Building     semigroupoids-5.3.4
Completed    profunctors-5.5.1
Completed    semigroupoids-5.3.4
Starting     connections-0.0.2.2
Starting     free-5.1.3
Building     connections-0.0.2.2
Building     free-5.1.3
Completed    connections-0.0.2.2
Completed    free-5.1.3
Starting     adjunctions-4.4
Building     adjunctions-4.4
Completed    adjunctions-4.4
Starting     rings-0.0.2.3
Building     rings-0.0.2.3
Failed to install rings-0.0.2.3
Build log ( /home/builder/.cabal/logs/ghc-8.6.3/rings-0.0.2.3-BQR22qby1yx2uoMXGiVUo8.log ):
cabal: Entering directory '/tmp/cabal-tmp-9147/rings-0.0.2.3'
Configuring rings-0.0.2.3...
Preprocessing library for rings-0.0.2.3..
Building library for rings-0.0.2.3..
[ 1 of 18] Compiling Data.Group       ( src/Data/Group.hs, dist/build/Data/Group.o )
[ 2 of 18] Compiling Data.Semiring    ( src/Data/Semiring.hs, dist/build/Data/Semiring.o )
[ 3 of 18] Compiling Data.Ring        ( src/Data/Ring.hs, dist/build/Data/Ring.o )

src/Data/Ring.hs:7:5: warning: [-Wduplicate-exports]
    ‘abs’ is exported by ‘Ring(..)’ and ‘abs’
  |
7 |   , Ring(..)
  |     ^^^^^^^^
[ 4 of 18] Compiling Data.Int.Instance ( src/Data/Int/Instance.hs, dist/build/Data/Int/Instance.o )
[ 5 of 18] Compiling Data.Float.Instance ( src/Data/Float/Instance.hs, dist/build/Data/Float/Instance.o )
[ 6 of 18] Compiling Data.Fixed.Instance ( src/Data/Fixed/Instance.hs, dist/build/Data/Fixed/Instance.o )
[ 7 of 18] Compiling Data.Double.Instance ( src/Data/Double/Instance.hs, dist/build/Data/Double/Instance.o )
[ 8 of 18] Compiling Data.Dioid       ( src/Data/Dioid.hs, dist/build/Data/Dioid.o )

src/Data/Dioid.hs:57:17: error:
    parse error on input ‘=’
    Perhaps you need a 'let' in a 'do' block?
    e.g. 'let x = 5' instead of 'x = 5'
   |
57 |   fromNatural x = (fromNatural x, fromNatural x, fromNatural x)
   |                 ^
cabal: Leaving directory '/tmp/cabal-tmp-9147/rings-0.0.2.3'
cabal: Error: some packages failed to install:
rings-0.0.2.3-BQR22qby1yx2uoMXGiVUo8 failed during the building phase. The
exception was:
ExitFailure 1

Test log

No test log was submitted for this report.