Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: teleport (user goal)
rejecting: teleport-0.0.0.10 (constraint from user target requires ==0.0.0.9)
trying: teleport-0.0.0.9
trying: unix-2.7.2.0/installed-2.7... (dependency of ansi-terminal-0.6.2.3)
trying: optparse-applicative-0.13.0.0 (dependency of teleport-0.0.0.9)
trying: process-1.4.2.0/installed-1.4... (dependency of
optparse-applicative-0.13.0.0)
next goal: turtle (dependency of teleport-0.0.0.9)
rejecting: turtle-1.2.8 (conflict: optparse-applicative==0.13.0.0, turtle =>
optparse-applicative>=0.11 && <0.13)
rejecting: turtle-1.2.7, turtle-1.2.6 (conflict: unix =>
time==1.6.0.1/installed-1.6..., turtle => time<1.6)
rejecting: turtle-1.2.5, turtle-1.2.4, turtle-1.2.3, turtle-1.2.2,
turtle-1.2.1, turtle-1.2.0, turtle-1.1.1, turtle-1.1.0, turtle-1.0.2,
turtle-1.0.1, turtle-1.0.0 (conflict: process==1.4.2.0/installed-1.4...,
turtle => process>=1.0.1.1 && <1.3)
Dependency tree exhaustively searched.