Resolving dependencies... Starting StateVar-1.2.1 Starting clock-0.8 Starting base-orphans-0.8.4 Starting base-compat-0.11.2 Building StateVar-1.2.1 Building base-orphans-0.8.4 Building clock-0.8 Building base-compat-0.11.2 Completed StateVar-1.2.1 Starting cmdargs-0.10.20 Completed clock-0.8 Starting dlist-1.0 Building cmdargs-0.10.20 Building dlist-1.0 Completed base-orphans-0.8.4 Starting hashable-1.3.0.0 Building hashable-1.3.0.0 Completed base-compat-0.11.2 Starting heaps-0.3.6.1 Completed dlist-1.0 Starting indexed-traversable-0.1.1 Building heaps-0.3.6.1 Building indexed-traversable-0.1.1 Completed hashable-1.3.0.0 Starting integer-logarithms-1.0.3.1 Building integer-logarithms-1.0.3.1 Completed heaps-0.3.6.1 Starting js-dgtable-0.5.2 Building js-dgtable-0.5.2 Completed indexed-traversable-0.1.1 Starting js-flot-0.8.3 Completed integer-logarithms-1.0.3.1 Starting js-jquery-3.3.1 Building js-flot-0.8.3 Completed js-dgtable-0.5.2 Starting pandoc-1.9.4.3 Failed to install pandoc-1.9.4.3 Build log ( /home/builder/.cabal/logs/ghc-8.10.2/pandoc-1.9.4.3-GKcE6LvbU1k55vThF6GVPD.log ): cabal: Entering directory '/tmp/cabal-tmp-28661/pandoc-1.9.4.3' cabal: Leaving directory '/tmp/cabal-tmp-28661/pandoc-1.9.4.3' Starting primitive-0.7.1.0 Building js-jquery-3.3.1 Building primitive-0.7.1.0 Completed js-jquery-3.3.1 Completed js-flot-0.8.3 Completed cmdargs-0.10.20 Completed primitive-0.7.1.0 cabal: Error: some packages failed to install: pandoc-1.9.4.3-GKcE6LvbU1k55vThF6GVPD failed during the configure step. The exception was: dieVerbatim: user error (cabal: '/opt/ghc/bin/ghc' exited with an error: /tmp/cabal-tmp-28661/pandoc-1.9.4.3/dist/setup/setup.hs:10:33: error: Module ‘Distribution.Simple.GHC’ does not export ‘ghcPackageDbOptions’ | 10 | import Distribution.Simple.GHC (ghcPackageDbOptions) | ^^^^^^^^^^^^^^^^^^^ /tmp/cabal-tmp-28661/pandoc-1.9.4.3/dist/setup/setup.hs:19:1: error: Could not find module ‘System.Time’ Perhaps you meant System.CPUTime (from base-4.14.1.0) System.Cmd (from process-1.6.9.0) System.Mem (from base-4.14.1.0) Use -v (or `:set -v` in ghci) to see a list of the files searched for. | 19 | import System.Time | ^^^^^^^^^^^^^^^^^^ /tmp/cabal-tmp-28661/pandoc-1.9.4.3/dist/setup/setup.hs:24:1: error: Could not find module ‘Data.Default’ Use -v (or `:set -v` in ghci) to see a list of the files searched for. | 24 | import Data.Default | ^^^^^^^^^^^^^^^^^^^ ) slick-1.1.0.0-19bpgD77b4nK7C0JndheC4 depends on slick-1.1.0.0 which failed to install.