Resolving dependencies...
Starting     StateVar-1.2.1
Starting     base-orphans-0.8.4
Starting     co-log-core-0.2.1.1
Starting     base-compat-0.11.2
Building     StateVar-1.2.1
Building     base-orphans-0.8.4
Building     co-log-core-0.2.1.1
Building     base-compat-0.11.2
Completed    StateVar-1.2.1
Starting     colour-2.3.5
Building     colour-2.3.5
Completed    co-log-core-0.2.1.1
Starting     dlist-0.8.0.8
Building     dlist-0.8.0.8
Completed    base-orphans-0.8.4
Starting     hashable-1.3.2.0
Completed    dlist-0.8.0.8
Starting     integer-logarithms-1.0.3.1
Building     hashable-1.3.2.0
Building     integer-logarithms-1.0.3.1
Completed    base-compat-0.11.2
Starting     microlens-0.4.12.0
Building     microlens-0.4.12.0
Completed    integer-logarithms-1.0.3.1
Starting     primitive-0.7.1.0
Building     primitive-0.7.1.0
Completed    colour-2.3.5
Starting     semigroups-0.19.1
Completed    hashable-1.3.2.0
Starting     splitmix-0.1.0.3
Building     semigroups-0.19.1
Completed    microlens-0.4.12.0
Starting     tagged-0.8.6.1
Building     splitmix-0.1.0.3
Building     tagged-0.8.6.1
Completed    semigroups-0.19.1
Starting     th-abstraction-0.3.2.0
Building     th-abstraction-0.3.2.0
Completed    splitmix-0.1.0.3
Starting     torsor-0.1
Building     torsor-0.1
Completed    tagged-0.8.6.1
Starting     unliftio-core-0.2.0.1
Building     unliftio-core-0.2.0.1
Completed    torsor-0.1
Starting     contravariant-1.5.3
Building     contravariant-1.5.3
Completed    unliftio-core-0.2.0.1
Starting     base-compat-batteries-0.11.2
Building     base-compat-batteries-0.11.2
Completed    th-abstraction-0.3.2.0
Starting     ansi-terminal-0.10.3
Building     ansi-terminal-0.10.3
Completed    contravariant-1.5.3
Starting     unordered-containers-0.2.14.0
Building     unordered-containers-0.2.14.0
Completed    ansi-terminal-0.10.3
Starting     time-compat-1.9.6
Building     time-compat-1.9.6
Completed    base-compat-batteries-0.11.2
Starting     random-1.2.0
Completed    primitive-0.7.1.0
Starting     vector-0.12.3.0
Building     random-1.2.0
Building     vector-0.12.3.0
Completed    time-compat-1.9.6
Starting     scientific-0.3.7.0
Building     scientific-0.3.7.0
Completed    random-1.2.0
Starting     uuid-types-1.0.5
Building     uuid-types-1.0.5
Completed    unordered-containers-0.2.14.0
Completed    scientific-0.3.7.0
Starting     attoparsec-0.13.2.5
Building     attoparsec-0.13.2.5
Completed    uuid-types-1.0.5
Completed    attoparsec-0.13.2.5
Completed    vector-0.12.3.0
Starting     typerep-map-0.3.3.0
Starting     aeson-1.4.7.1
Building     typerep-map-0.3.3.0
Building     aeson-1.4.7.1
Completed    typerep-map-0.3.3.0
Completed    aeson-1.4.7.1
Starting     chronos-1.1.2
Building     chronos-1.1.2
Completed    chronos-1.1.2
Starting     co-log-0.4.0.1
Building     co-log-0.4.0.1
Failed to install co-log-0.4.0.1
Build log ( /home/builder/.cabal/logs/ghc-8.10.2/co-log-0.4.0.1-AMCmXaPqaBS9IAWqKYl0Ej.log ):
cabal: Entering directory '/tmp/cabal-tmp-31256/co-log-0.4.0.1'
Configuring co-log-0.4.0.1...
Preprocessing executable 'tutorial-intro' for co-log-0.4.0.1..
Building executable 'tutorial-intro' for co-log-0.4.0.1..
ghc: could not execute: markdown-unlit
cabal: Leaving directory '/tmp/cabal-tmp-31256/co-log-0.4.0.1'
cabal: Error: some packages failed to install:
co-log-0.4.0.1-AMCmXaPqaBS9IAWqKYl0Ej failed during the building phase. The
exception was:
ExitFailure 1
little-logger-0.3.2-EPvUQFoUDXj2SL9Z94tMe depends on little-logger-0.3.2 which
failed to install.