Resolving dependencies... cabal: Could not resolve dependencies: trying: stm-firehose-0.3.0.2 (user goal) next goal: warp (dependency of stm-firehose-0.3.0.2) rejecting: warp-3.2.9, warp-3.2.8, warp-3.2.7, warp-3.2.6, warp-3.2.5, warp-3.2.3, warp-3.2.2, warp-3.2.1, warp-3.2.0 (conflict: stm-firehose => warp>=3.1 && <3.2) trying: warp-3.1.12 trying: bytestring-builder-0.10.8.1.0 (dependency of warp-3.1.12) next goal: wai (dependency of stm-firehose-0.3.0.2) rejecting: wai-3.2.1.1, wai-3.2.1, wai-3.2.0.1, wai-3.2.0 (conflict: stm-firehose => wai>=3.0 && <3.1) rejecting: wai-3.0.5.0, wai-3.0.4.0 (conflict: bytestring-builder==0.10.8.1.0, wai => bytestring-builder>=0.10.4.0 && <0.10.7) rejecting: wai-3.0.3.0, wai-3.0.2.3, wai-3.0.2.2, wai-3.0.2.1, wai-3.0.2, wai-3.0.1.1, wai-3.0.1, wai-3.0.0.2, wai-3.0.0.1, wai-3.0.0 (conflict: warp => wai>=3.0.4 && <3.1) rejecting: wai-2.1.0.3, wai-2.1.0.2, wai-2.1.0.1, wai-2.1.0, wai-2.0.0, wai-1.4.1, wai-1.4.0.2, wai-1.4.0.1, wai-1.4.0, wai-1.3.0.3, wai-1.3.0.2, wai-1.3.0.1, wai-1.3.0, wai-1.2.0.3, wai-1.2.0.2, wai-1.2.0.1, wai-1.2.0, wai-1.1.0.1, wai-1.1.0, wai-1.0.0, wai-0.4.3, wai-0.4.2, wai-0.4.1, wai-0.4.0, wai-0.3.2, wai-0.3.1, wai-0.3.0, wai-0.2.2.1, wai-0.2.2, wai-0.2.1, wai-0.2.0, wai-0.1.0, wai-0.0.1, wai-0.0.0 (conflict: stm-firehose => wai>=3.0 && <3.1) Dependency tree exhaustively searched.