Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: HStringTemplate (user goal)
rejecting: HStringTemplate-0.8.3, 0.8.2, 0.8.1, 0.8, 0.7.3, 0.7.1, 0.7.0,
0.6.12 (global constraint requires ==0.6.11)
trying: HStringTemplate-0.6.11
trying: base-4.8.1.0/installed-4f7... (dependency of HStringTemplate-0.6.11)
trying: HStringTemplate-0.6.11:+quasi-quotation
rejecting: HStringTemplate-0.6.11:+smaller-base (conflict:
base==4.8.1.0/installed-4f7..., HStringTemplate-0.6.11:smaller-base => base>=4
&& <0)
rejecting: HStringTemplate-0.6.11:-smaller-base (conflict:
base==4.8.1.0/installed-4f7..., HStringTemplate-0.6.11:smaller-base => base<4
&& <0)
Dependency tree exhaustively searched.