Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: pisigma (user goal)
rejecting: pisigma-0.2.1, 0.2, 0.1.0.3 (global constraint requires ==0.1.0.2)
trying: pisigma-0.1.0.2
trying: ansi-wl-pprint-0.6.7.2 (dependency of pisigma-0.1.0.2)
trying: ansi-terminal-0.6.2.1 (dependency of ansi-wl-pprint-0.6.7.2)
trying: unix-2.7.0.1/installed-0d8... (dependency of ansi-terminal-0.6.2.1)
trying: time-1.4.2/installed-bf9... (dependency of
unix-2.7.0.1/installed-0d8...)
next goal: deepseq (dependency of time-1.4.2/installed-bf9...)
rejecting: deepseq-1.3.0.2/installed-733... (conflict: deepseq =>
array==0.5.0.0/installed-98a..., pisigma => array>=0.2 && <0.3)
rejecting: deepseq-1.4.1.1, 1.4.1.0, 1.4.0.0, 1.3.0.2, 1.3.0.1, 1.3.0.0,
1.2.0.1, 1.2.0.0, 1.1.0.2, 1.1.0.1, 1.1.0.0, 1.0.0.0 (conflict: time =>
deepseq==1.3.0.2/installed-733...)
Backjump limit reached (change with --max-backjumps).