Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: notmuch-web (user goal)
rejecting: notmuch-web-0.2.0, 0.1.2.1 (global constraint requires ==0.1.2)
trying: notmuch-web-0.1.2
trying: yesod-1.4.2 (dependency of notmuch-web-0.1.2)
trying: notmuch-web-0.1.2:-dev
trying: notmuch-web-0.1.2:-library-only
rejecting: notmuch-web-0.1.2:-no-icu (conflict: yesod==1.4.2,
notmuch-web-0.1.2:no-icu => yesod>=1.2 && <1.3)
rejecting: notmuch-web-0.1.2:+no-icu (conflict: yesod==1.4.2,
notmuch-web-0.1.2:no-icu => yesod>=1.2 && <1.3)
Backjump limit reached (change with --max-backjumps).