Resolving dependencies...
Starting     cabal-doctest-1.0.8
Starting     data-default-class-0.1.2.0
Starting     base-orphans-0.8.2
Starting     base-compat-0.11.1
Building     data-default-class-0.1.2.0
Building     cabal-doctest-1.0.8
Building     base-orphans-0.8.2
Building     base-compat-0.11.1
Completed    data-default-class-0.1.2.0
Starting     dlist-0.8.0.8
Building     dlist-0.8.0.8
Completed    cabal-doctest-1.0.8
Starting     hashable-1.3.0.0
Building     hashable-1.3.0.0
Completed    base-orphans-0.8.2
Starting     integer-logarithms-1.0.3
Completed    dlist-0.8.0.8
Starting     parallel-3.2.2.0
Building     integer-logarithms-1.0.3
Building     parallel-3.2.2.0
Completed    integer-logarithms-1.0.3
Starting     primitive-0.7.1.0
Completed    hashable-1.3.0.0
Starting     splitmix-0.1
Building     primitive-0.7.1.0
Building     splitmix-0.1
Completed    base-compat-0.11.1
Starting     tagged-0.8.6
Completed    parallel-3.2.2.0
Starting     th-abstraction-0.3.2.0
Building     tagged-0.8.6
Building     th-abstraction-0.3.2.0
Completed    splitmix-0.1
Starting     transformers-compat-0.6.5
Building     transformers-compat-0.6.5
Completed    tagged-0.8.6
Starting     word8-0.1.3
Building     word8-0.1.3
Completed    th-abstraction-0.3.2.0
Starting     time-compat-1.9.3
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Starting     unordered-containers-0.2.11.0
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Starting     base-compat-batteries-0.11.1
Building     unordered-containers-0.2.11.0
Building     base-compat-batteries-0.11.1
Completed    time-compat-1.9.3
Starting     random-1.2.0
Building     random-1.2.0
Completed    base-compat-batteries-0.11.1
Starting     distributive-0.6.2
Completed    primitive-0.7.1.0
Starting     vector-0.12.1.2
Building     vector-0.12.1.2
Building     distributive-0.6.2
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Starting     scientific-0.3.6.2
Building     scientific-0.3.6.2
Completed    random-1.2.0
Starting     uuid-types-1.0.3
Building     uuid-types-1.0.3
Completed    distributive-0.6.2
Starting     comonad-5.0.6
Building     comonad-5.0.6
Completed    scientific-0.3.6.2
Starting     attoparsec-0.13.2.4
Completed    uuid-types-1.0.3
Building     attoparsec-0.13.2.4
Completed    comonad-5.0.6
Starting     bifunctors-5.5.7
Building     bifunctors-5.5.7
Completed    attoparsec-0.13.2.4
Completed    bifunctors-5.5.7
Starting     assoc-1.0.1
Building     assoc-1.0.1
Completed    assoc-1.0.1
Starting     these-1.1.1.1
Building     these-1.1.1.1
Completed    these-1.1.1.1
Completed    vector-0.12.1.2
Starting     vector-th-unbox-0.2.1.7
Starting     matrices-0.5.0
Starting     math-functions-0.3.4.0
Starting     aeson-1.5.2.0
Building     vector-th-unbox-0.2.1.7
Building     matrices-0.5.0
Building     math-functions-0.3.4.0
Building     aeson-1.5.2.0
Completed    vector-th-unbox-0.2.1.7
Completed    matrices-0.5.0
Completed    math-functions-0.3.4.0
Starting     mwc-random-0.15.0.0
Building     mwc-random-0.15.0.0
Completed    mwc-random-0.15.0.0
Completed    aeson-1.5.2.0
Starting     elynx-seq-0.3.1
Building     elynx-seq-0.3.1
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-31020/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-31020/elynx-seq-0.3.1'
cabal: Error: some packages failed to install:
elynx-seq-0.3.1-FSf5x5lzDlxFqUPrKtsmhk failed during the building phase. The
exception was:
ExitFailure 1