Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: TCache (user goal)
rejecting: TCache-0.12.0, TCache-0.11.0.0, TCache-0.10.2.4, TCache-0.10.2.3,
TCache-0.10.2.2, TCache-0.10.2.1, TCache-0.10.2.0, TCache-0.10.1.0,
TCache-0.10.0.12, TCache-0.10.0.11, TCache-0.10.0.10, TCache-0.10.0.9,
TCache-0.10.0.8, TCache-0.10.0.6, TCache-0.10.0.5, TCache-0.10.0.4,
TCache-0.10.0.3, TCache-0.10.0.2, TCache-0.10.0.1, TCache-0.10.0.0,
TCache-0.9.0.4, TCache-0.9.0.3, TCache-0.9.0.2, TCache-0.9.0.1, TCache-0.9,
TCache-0.8.0.2, TCache-0.8.0.1 (constraint from user target requires ==0.8.0)
trying: TCache-0.8.0
trying: base-4.9.0.0/installed-4.9... (dependency of TCache-0.8.0)
next goal: transformers (dependency of TCache-0.8.0)
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,
transformers-0.4.3.0, transformers-0.4.2.0, transformers-0.4.1.0,
transformers-0.3.0.0 (conflict: TCache => transformers>=0.2 && <0.3)
rejecting: 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, transformers-0.4.0.0 (conflict: TCache =>
transformers>=0.2 && <0.3)
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: TCache => transformers>=0.2 &&
<0.3)
Dependency tree exhaustively searched.