Resolving dependencies... cabal: Could not resolve dependencies: next goal: twidge (user goal) rejecting: twidge-1.1.2, 1.1.1, 1.1.0 (global constraint requires ==1.0.6.1) trying: twidge-1.0.6.1 trying: base-4.8.1.0/installed-4f7... (dependency of twidge-1.0.6.1) trying: bytestring-0.10.6.0/installed-236... (dependency of twidge-1.0.6.1) trying: deepseq-1.4.1.1/installed-8fb... (dependency of bytestring-0.10.6.0/installed-236...) next goal: hoauth (dependency of twidge-1.0.6.1) rejecting: hoauth-0.3.5, 0.3.4, 0.3.3, 0.3.2.1, 0.3.2, 0.3.1, 0.3.0, 0.2.5, 0.2.4 (conflict: twidge => hoauth>=0.2.3 && <0.2.4) trying: hoauth-0.2.3 next goal: dataenc (dependency of hoauth-0.2.3) rejecting: dataenc-0.14.0.7 (conflict: base==4.8.1.0/installed-4f7..., dataenc => base>=3.0.0 && <4.8) rejecting: dataenc-0.14.0.6, 0.14.0.5, 0.14.0.4, 0.14.0.3 (conflict: deepseq => array==0.5.1.0/installed-d42..., dataenc => array>=0.1.0 && <0.5) rejecting: dataenc-0.14.0.2, 0.14, 0.13.0.5, 0.13.0.4, 0.13.0.3, 0.13.0.2 (conflict: deepseq => array==0.5.1.0/installed-d42..., dataenc => array>=0.1.0 && <0.4) rejecting: dataenc-0.13.0.1, 0.13.0.0, 0.12.1.0, 0.12, 0.11.1, 0.11, 0.10.2, 0.10.1, 0.9 (conflict: hoauth => dataenc>=0.13.0.2) Backjump limit reached (change with --max-backjumps).