Fail instead of hang when FINISHED_WARCS_DIR is not set
Fail instead of hang when FINISHED_WARCS_DIR is not set

Frogging101/ArchiveBot,emijrp/ArchiveBot,emijrp/ArchiveBot,ArchiveTeam/ArchiveBot,emijrp/ArchiveBot,Asparagirl/ArchiveBot,JesseWeinstein/ArchiveBot,ArchiveTeam/ArchiveBot,ArchiveTeam/ArchiveBot,Frogging101/ArchiveBot,JesseWeinstein/ArchiveBot,JesseWeinstein/ArchiveBot,falconkirtaran/ArchiveBot,ArchiveTeam/ArchiveBot,Asparagirl/ArchiveBot,emijrp/ArchiveBot,falconkirtaran/ArchiveBot,JesseWeinstein/ArchiveBot,JesseWeinstein/ArchiveBot,Asparagirl/ArchiveBot,Frogging101/ArchiveBot,emijrp/ArchiveBot,Asparagirl/ArchiveBot,Asparagirl/ArchiveBot,Frogging101/ArchiveBot,falconkirtaran/ArchiveBot,falconkirtaran/ArchiveBot,ArchiveTeam/ArchiveBot,Frogging101/ArchiveBot,falconkirtaran/ArchiveBot