Resolving dependencies...
Configuring data-default-class-0.1.2.0...
Configuring dlist-0.8.0.2...
Building data-default-class-0.1.2.0...
Building dlist-0.8.0.2...
Installed data-default-class-0.1.2.0
Configuring mtl-2.2.1...
Building mtl-2.2.1...
Configuring old-locale-1.0.0.7...
Installed dlist-0.8.0.2
Building old-locale-1.0.0.7...
Configuring data-default-instances-containers-0.0.1...
Installed old-locale-1.0.0.7
Building data-default-instances-containers-0.0.1...
Configuring text-1.2.2.1...
Installed data-default-instances-containers-0.0.1
Installed mtl-2.2.1
Configuring data-default-instances-dlist-0.0.1...
Building text-1.2.2.1...
Building data-default-instances-dlist-0.0.1...
Configuring data-default-instances-old-locale-0.0.1...
Installed data-default-instances-dlist-0.0.1
Building data-default-instances-old-locale-0.0.1...
Configuring old-time-1.1.0.3...
Installed data-default-instances-old-locale-0.0.1
Building old-time-1.1.0.3...
Configuring data-default-0.7.1.1...
Installed old-time-1.1.0.3
Building data-default-0.7.1.1...
Installed data-default-0.7.1.1
Installed text-1.2.2.1
Configuring air-2015.5.4...
Building air-2015.5.4...
Installed air-2015.5.4
Configuring nemesis-2012.5.24...
Building nemesis-2012.5.24...
Failed to install nemesis-2012.5.24
Build log ( /home/builder/.cabal/logs/nemesis-2012.5.24.log ):
cabal: Entering directory '/tmp/cabal-tmp-30934/nemesis-2012.5.24'
Warning: nemesis.cabal: Unknown fields: build-depends (line 11)
Fields allowed in this section:
name, version, cabal-version, build-type, license, license-file,
license-files, copyright, maintainer, stability, homepage,
package-url, bug-reports, synopsis, description, category, author,
tested-with, data-files, data-dir, extra-source-files,
extra-tmp-files, extra-doc-files
Configuring nemesis-2012.5.24...
Building nemesis-2012.5.24...
Preprocessing library nemesis-2012.5.24...
[1 of 4] Compiling System.Nemesis.Util ( src/System/Nemesis/Util.hs, dist/build/System/Nemesis/Util.o )
[2 of 4] Compiling System.Nemesis   ( src/System/Nemesis.hs, dist/build/System/Nemesis.o )

src/System/Nemesis.hs:64:40: error:
    • Couldn't match type ‘Maybe String’ with ‘[Char]’
      Expected type: String
        Actual type: Maybe String
    • In the ‘target’ field of a record
      In the second argument of ‘execStateT’, namely
        ‘def {target = args . first}’
      In the first argument of ‘(>>=)’, namely
        ‘execStateT unit (def {target = args . first})’
cabal: Leaving directory '/tmp/cabal-tmp-30934/nemesis-2012.5.24'
cabal: Error: some packages failed to install:
nemesis-2012.5.24 failed during the building phase. The exception was:
ExitFailure 1