Resolving dependencies...
Starting     abstract-par-0.3.3
Starting     cabal-doctest-1.0.8
Starting     base-orphans-0.8.2
Starting     base-compat-0.11.1
Building     abstract-par-0.3.3
Building     cabal-doctest-1.0.8
Building     base-orphans-0.8.2
Building     base-compat-0.11.1
Completed    abstract-par-0.3.3
Starting     cereal-0.5.8.1
Building     cereal-0.5.8.1
Completed    cabal-doctest-1.0.8
Starting     data-default-class-0.1.2.0
Building     data-default-class-0.1.2.0
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Starting     dlist-0.8.0.8
Completed    data-default-class-0.1.2.0
Starting     hashable-1.3.0.0
Building     dlist-0.8.0.8
Building     hashable-1.3.0.0
Completed    dlist-0.8.0.8
Starting     integer-logarithms-1.0.3
Completed    base-compat-0.11.1
Starting     parallel-3.2.2.0
Building     integer-logarithms-1.0.3
Building     parallel-3.2.2.0
Completed    hashable-1.3.0.0
Starting     primitive-0.7.1.0
Completed    cereal-0.5.8.1
Starting     semigroups-0.19.1
Building     primitive-0.7.1.0
Building     semigroups-0.19.1
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Starting     split-0.2.3.4
Building     split-0.2.3.4
Completed    semigroups-0.19.1
Starting     splitmix-0.1
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Starting     tagged-0.8.6
Building     splitmix-0.1
Building     tagged-0.8.6
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Starting     th-abstraction-0.3.2.0
Building     th-abstraction-0.3.2.0
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Starting     transformers-compat-0.6.5
Building     transformers-compat-0.6.5
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Starting     abstract-deque-0.3
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Starting     attoparsec-0.13.2.4
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Starting     bifunctors-5.5.7
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Building     math-functions-0.3.4.0
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Building     aeson-1.5.2.0
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Starting     mwc-random-0.15.0.0
Building     mwc-random-0.15.0.0
Building     dense-linear-algebra-0.1.0.0
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Completed    mwc-random-0.15.0.0
Starting     monad-par-0.3.5
Building     monad-par-0.3.5
Completed    monad-par-0.3.5
Completed    aeson-1.5.2.0
Starting     elynx-seq-0.3.1
Starting     statistics-0.15.2.0
Building     elynx-seq-0.3.1
Building     statistics-0.15.2.0
Failed to install elynx-seq-0.3.1
Build log ( /home/builder/.cabal/logs/ghc-8.6.3/elynx-seq-0.3.1-FSf5x5lzDlxFqUPrKtsmhk.log ):
cabal: Entering directory '/tmp/cabal-tmp-6745/elynx-seq-0.3.1'
Configuring elynx-seq-0.3.1...
Preprocessing library for elynx-seq-0.3.1..
Building library for elynx-seq-0.3.1..

<no location info>: error:
    Warning: Couldn't figure out LLVM version!
             Make sure you have installed LLVM 6.0
[ 1 of 19] Compiling ELynx.Data.Character.Character ( src/ELynx/Data/Character/Character.hs, dist/build/ELynx/Data/Character/Character.o )

<no location info>: error:
    Warning: Couldn't figure out LLVM version!
             Make sure you have installed LLVM 6.0
ghc: could not execute: opt
cabal: Leaving directory '/tmp/cabal-tmp-6745/elynx-seq-0.3.1'
Completed    hmatrix-0.20.0.0
Completed    statistics-0.15.2.0
cabal: Error: some packages failed to install:
elynx-markov-0.3.1-91r2VvONf6CIeKMHmhZd9Z depends on elynx-markov-0.3.1 which
failed to install.
elynx-seq-0.3.1-FSf5x5lzDlxFqUPrKtsmhk failed during the building phase. The
exception was:
ExitFailure 1