Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: llvm-extra (user goal)
rejecting: llvm-extra-0.6, 0.5, 0.4.2, 0.4.1.1, 0.4.1 (global constraint
requires ==0.3.0.1)
trying: llvm-extra-0.3.0.1
trying: base-4.7.0.1/installed-e4b... (dependency of llvm-extra-0.3.0.1)
next goal: containers (dependency of llvm-extra-0.3.0.1)
rejecting: containers-0.5.5.1/installed-23e..., 0.5.6.3, 0.5.6.2, 0.5.6.1,
0.5.6.0, 0.5.5.1, 0.5.5.0, 0.5.4.0, 0.5.3.1, 0.5.3.0, 0.5.2.1, 0.5.2.0,
0.5.1.0, 0.5.0.0 (conflict: llvm-extra => containers>=0.1 && <0.5)
trying: containers-0.4.2.1
trying: type-level-0.2.4 (dependency of llvm-extra-0.3.0.1)
next goal: template-haskell (dependency of type-level-0.2.4)
rejecting: template-haskell-2.9.0.0/installed-3af... (conflict:
containers==0.4.2.1, template-haskell => containers==0.5.5.1/installed-23e...)
rejecting: template-haskell-2.10.0.0 (conflict:
base==4.7.0.1/installed-e4b..., template-haskell => base==4.8.*)
rejecting: template-haskell-2.9.0.0 (conflict: containers==0.4.2.1,
template-haskell => containers==0.5.*)
rejecting: template-haskell-2.8.0.0 (conflict: base==4.7.0.1/installed-e4b...,
template-haskell => base==4.6.*)
rejecting: template-haskell-2.7.0.0 (conflict: base==4.7.0.1/installed-e4b...,
template-haskell => base==4.5.*)
rejecting: template-haskell-2.6.0.0 (conflict: base==4.7.0.1/installed-e4b...,
template-haskell => base==4.4.*)
rejecting: template-haskell-2.5.0.0 (conflict: base==4.7.0.1/installed-e4b...,
template-haskell => base==4.3.*)
rejecting: template-haskell-2.4.0.1 (conflict: base==4.7.0.1/installed-e4b...,
template-haskell => base==4.2.*)
rejecting: template-haskell-2.4.0.0 (conflict: base==4.7.0.1/installed-e4b...,
template-haskell => base>=3 && <4.3)
rejecting: template-haskell-2.3.0.1, 2.3.0.0, 2.2.0.0 (conflict:
base==4.7.0.1/installed-e4b..., template-haskell => base<4.3)
Dependency tree exhaustively searched.