Resolving dependencies... cabal: Could not resolve dependencies: next goal: hothasktags (user goal) rejecting: hothasktags-0.3.4, 0.3.3, 0.3.2, 0.3.1, 0.3.0, 0.2.2, 0.2.1, 0.2.0 (global constraint requires ==0.1.1) trying: hothasktags-0.1.1 trying: base-4.8.1.0/installed-4f7... (dependency of hothasktags-0.1.1) next goal: haskell-src-exts (dependency of hothasktags-0.1.1) rejecting: haskell-src-exts-1.17.0, 1.16.0.1, 1.16.0, 1.15.0.1, 1.15.0, 1.14.0.1, 1.14.0, 1.13.5, 1.13.4, 1.13.3, 1.13.2, 1.13.1, 1.13.0, 1.12.0, 1.11.1, 1.10.2, 1.10.1, 1.10.0 (conflict: hothasktags => haskell-src-exts>=1.8 && <1.10) trying: haskell-src-exts-1.9.6 rejecting: haskell-src-exts-1.9.6:+base4 (conflict: base==4.8.1.0/installed-4f7..., haskell-src-exts-1.9.6:base4 => base>=4 && <4.8) rejecting: haskell-src-exts-1.9.6:-base4 (conflict: base==4.8.1.0/installed-4f7..., haskell-src-exts-1.9.6:base4 => base>=3 && <4) Dependency tree exhaustively searched.