Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: servant-server (user goal)
rejecting: servant-server-0.8, servant-server-0.7.1, servant-server-0.7,
servant-server-0.6.1, servant-server-0.6, servant-server-0.5,
servant-server-0.4.4.7, servant-server-0.4.4.6, servant-server-0.4.4.5,
servant-server-0.4.4.4, servant-server-0.4.4.3, servant-server-0.4.4.2,
servant-server-0.4.4.1 (constraint from user target requires ==0.4.4)
trying: servant-server-0.4.4
next goal: warp (dependency of servant-server-0.4.4)
rejecting: 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: servant-server => warp>=3.0 && <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 servant-server-0.4.4)
rejecting: wai-3.2.1.1, wai-3.2.1, wai-3.2.0.1, wai-3.2.0 (conflict:
servant-server => 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: servant-server => wai>=3.0 && <3.1)
Dependency tree exhaustively searched.