Resolving dependencies... Starting hashable-1.4.1.0 Building hashable-1.4.1.0 Completed hashable-1.4.1.0 Downloading libBF-0.6.5.1 Downloaded libBF-0.6.5.1 Starting libBF-0.6.5.1 Building libBF-0.6.5.1 Completed libBF-0.6.5.1 Warning: could not create a symlink in /home/builder/.cabal/bin for bf-test because the file exists there already but is not managed by cabal. You can create a symlink for this executable manually if you wish. The executable file has been installed at /home/builder/hackage-server/build-cache/tmp-install/bin/bf-test