Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: smsaero (user goal)
rejecting: smsaero-0.6.1, smsaero-0.6, smsaero-0.5 (constraint from user
target requires ==0.4.1)
trying: smsaero-0.4.1
trying: servant-docs-0.9.1.1 (dependency of smsaero-0.4.1)
next goal: servant (dependency of smsaero-0.4.1)
rejecting: servant-0.9.1.1, servant-0.9.1, servant-0.9.0.1, servant-0.9,
servant-0.8.1, servant-0.8, servant-0.7.1, servant-0.7, servant-0.6.1,
servant-0.6, servant-0.5 (conflict: smsaero => servant==0.4.*)
rejecting: servant-0.4.4.7, servant-0.4.4.6, servant-0.4.4.5, servant-0.4.4.4,
servant-0.4.4.3, servant-0.4.4.2, servant-0.4.4, servant-0.4.3.1,
servant-0.4.3, servant-0.4.2, servant-0.4.1, servant-0.4.0 (conflict:
servant-docs => servant==0.9.*)
rejecting: servant-0.2.2, servant-0.2.1, servant-0.2, servant-0.1 (conflict:
smsaero => servant==0.4.*)
Dependency tree exhaustively searched.