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     data-default-class-0.1.2.0
Starting     dlist-0.8.0.5
Starting     old-locale-1.0.0.7
Starting     split-0.2.3.3
Building     old-locale-1.0.0.7
Building     data-default-class-0.1.2.0
Building     split-0.2.3.3
Building     dlist-0.8.0.5
Completed    old-locale-1.0.0.7
Completed    data-default-class-0.1.2.0
Starting     data-default-instances-containers-0.0.1
Starting     data-default-instances-old-locale-0.0.1
Completed    split-0.2.3.3
Building     data-default-instances-containers-0.0.1
Building     data-default-instances-old-locale-0.0.1
Completed    dlist-0.8.0.5
Starting     data-default-instances-dlist-0.0.1
Building     data-default-instances-dlist-0.0.1
Completed    data-default-instances-old-locale-0.0.1
Completed    data-default-instances-containers-0.0.1
Completed    data-default-instances-dlist-0.0.1
Starting     data-default-0.7.1.1
Building     data-default-0.7.1.1
Completed    data-default-0.7.1.1
Starting     structured-cli-2.5.0.2
Building     structured-cli-2.5.0.2
Failed to install structured-cli-2.5.0.2
Build log ( /home/builder/.cabal/logs/ghc-8.6.3/structured-cli-2.5.0.2-1wTnQmq5QACDy4OfWf03E.log ):
cabal: Entering directory '/tmp/cabal-tmp-2102/structured-cli-2.5.0.2'
Configuring structured-cli-2.5.0.2...
Preprocessing library for structured-cli-2.5.0.2..
Building library for structured-cli-2.5.0.2..
[1 of 1] Compiling System.Console.StructuredCLI ( src/System/Console/StructuredCLI.hs, dist/build/System/Console/StructuredCLI.o )
/usr/bin/ld.gold: error: cannot find -ltinfo
collect2: error: ld returned 1 exit status
`gcc' failed in phase `Linker'. (Exit code: 1)
cabal: Leaving directory '/tmp/cabal-tmp-2102/structured-cli-2.5.0.2'
cabal: Error: some packages failed to install:
structured-cli-2.5.0.2-1wTnQmq5QACDy4OfWf03E failed during the building phase.
The exception was:
ExitFailure 1