Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: hoauth2 (user goal)
rejecting: hoauth2-0.5.6.0, hoauth2-0.5.5.0, hoauth2-0.5.4.0, hoauth2-0.5.3.1,
hoauth2-0.5.3, hoauth2-0.5.2, hoauth2-0.5.1, hoauth2-0.5.0.1, hoauth2-0.5.0,
hoauth2-0.4.8, hoauth2-0.4.7, hoauth2-0.4.6, hoauth2-0.4.5, hoauth2-0.4.4,
hoauth2-0.4.3, hoauth2-0.4.2, hoauth2-0.4.1 (constraint from user target
requires ==0.4.0)
trying: hoauth2-0.4.0
trying: base-4.9.0.0/installed-4.9... (dependency of hoauth2-0.4.0)
next goal: transformers (dependency of hoauth2-0.4.0)
rejecting: transformers-0.5.2.0/installed-0.5..., transformers-0.5.2.0,
transformers-0.5.1.0, transformers-0.5.0.1, transformers-0.5.0.0 (conflict:
hoauth2 => transformers>=0.2 && <0.5)
rejecting: transformers-0.4.3.0, transformers-0.4.2.0 (conflict:
base==4.9.0.0/installed-4.9..., transformers => base>=2 && <4.9)
rejecting: transformers-0.4.1.0, transformers-0.3.0.0, transformers-0.2.2.1
(conflict: base==4.9.0.0/installed-4.9..., transformers => base>=2 && <4.8 ||
>=1.0 && <2)
rejecting: transformers-0.2.1.0, transformers-0.2.0.0 (conflict:
base==4.9.0.0/installed-4.9..., transformers => base>=2 && <4.3 || >=1.0 &&
<2)
rejecting: transformers-0.1.4.0, transformers-0.1.3.0, transformers-0.1.1.0,
transformers-0.1.0.1, transformers-0.0.1.0, transformers-0.0.0.0,
transformers-0.5.0.2 (conflict: hoauth2 => transformers>=0.2 && <0.5)
rejecting: transformers-0.4.0.0 (conflict: base==4.9.0.0/installed-4.9...,
transformers => base>=2 && <4.8 || >=1.0 && <2)
rejecting: transformers-0.2.2.0 (conflict: base==4.9.0.0/installed-4.9...,
transformers => base>=2 && <4.6 || >=1.0 && <2)
rejecting: transformers-0.1.0.0 (conflict: hoauth2 => transformers>=0.2 &&
<0.5)
Dependency tree exhaustively searched.