Resolving dependencies...
cabal: Could not resolve dependencies:
[__0] trying: thock-0.2.1.0 (user goal)
[__1] next goal: vty (dependency of thock)
[__1] rejecting: vty-5.32 (conflict: thock => vty>=5.28.2 && <5.29)
[__1] skipping: vty-5.31, vty-5.30, vty-5.29 (has the same characteristics
that caused the previous version to fail: excluded by constraint '>=5.28.2 &&
<5.29' from 'thock')
[__1] trying: vty-5.28.2
[__2] trying: microlens-th-0.4.3.9 (dependency of vty)
[__3] trying: template-haskell-2.16.0.0/installed-2.16.0.0 (dependency of
microlens-th)
[__4] next goal: lens (dependency of thock)
[__4] rejecting: lens-4.19.2 (conflict: thock => lens>=4.18.1 && <4.19)
[__4] skipping: lens-4.19.1, lens-4.19 (has the same characteristics that
caused the previous version to fail: excluded by constraint '>=4.18.1 &&
<4.19' from 'thock')
[__4] rejecting: lens-4.18.1 (conflict:
template-haskell==2.16.0.0/installed-2.16.0.0, lens => template-haskell>=2.4
&& <2.16)
[__4] skipping: lens-4.18, lens-4.17.1, lens-4.17, lens-4.16.1, lens-4.16,
lens-4.15.4, lens-4.15.3, lens-4.15.2, lens-4.15.1, lens-4.15, lens-4.14,
lens-4.13.2.1, lens-4.13.2, lens-4.13.1, lens-4.13, lens-4.12.3, lens-4.12.2,
lens-4.12.1, lens-4.12, lens-4.11.1, lens-4.11, lens-4.10, lens-4.9.1,
lens-4.9, lens-4.8, lens-4.7.0.1, lens-4.7, lens-4.6.0.1, lens-4.6, lens-4.5,
lens-4.4.0.2, lens-4.4.0.1, lens-4.4, lens-4.3.3, lens-4.3.2, lens-4.3.1,
lens-4.3, lens-4.2, lens-4.1.2.1, lens-4.1.2, lens-4.1.1, lens-4.1,
lens-4.0.7, lens-4.0.6, lens-4.0.5, lens-4.0.4, lens-4.0.3, lens-4.0.2,
lens-4.0.1, lens-4.0, lens-3.10.3, lens-3.10.2, lens-3.10.1, lens-3.10.0.1,
lens-3.10, lens-3.9.2, lens-3.9.1, lens-3.9.0.3, lens-3.9.0.2, lens-3.9.0.1,
lens-3.9, lens-3.8.7.3, lens-3.8.7.2, lens-3.8.7.1, lens-3.8.7, lens-3.8.6,
lens-3.8.5, lens-3.8.4, lens-3.8.3, lens-3.8.2, lens-3.8.1, lens-3.8.0.2,
lens-3.8.0.1, lens-3.8 (has the same characteristics that caused the previous
version to fail: excludes 'template-haskell' version 2.16.0.0)
[__4] rejecting: lens-3.7.6 (conflict: thock => lens>=4.18.1 && <4.19)
[__4] skipping: lens-3.7.5, lens-3.7.4, lens-3.7.3, lens-3.7.2, lens-3.7.1.2,
lens-3.7.1.1, lens-3.7.1, lens-3.7.0.2, lens-3.7.0.1, lens-3.7, lens-3.6.0.4,
lens-3.6.0.3, lens-3.6.0.2, lens-3.6.0.1, lens-3.6, lens-3.5.1, lens-3.5,
lens-3.4, lens-3.3, lens-3.2, lens-3.1, lens-3.0.6, lens-3.0.5, lens-3.0.4,
lens-3.0.3, lens-3.0.2, lens-3.0.1, lens-3.0, lens-2.9, lens-2.8,
lens-2.7.0.1, lens-2.7, lens-2.6.1, lens-2.6, lens-2.5, lens-2.4.0.2,
lens-2.4, lens-2.3, lens-2.2, lens-2.1, lens-2.0, lens-1.9.1, lens-1.9,
lens-1.8, lens-1.7.1, lens-1.7, lens-1.6, lens-1.5, lens-1.4.1, lens-1.4,
lens-1.3.1, lens-1.3, lens-1.2, lens-1.1.1, lens-1.1, lens-1.0.3, lens-1.0.2,
lens-1.0.1, lens-1.0, lens-0.9, lens-0.8, lens-0.7, lens-0.6, lens-0.5,
lens-0.4, lens-0.3, lens-0.2, lens-0.1 (has the same characteristics that
caused the previous version to fail: excluded by constraint '>=4.18.1 &&
<4.19' from 'thock')
[__4] fail (backjumping, conflict set: lens, template-haskell, thock)
After searching the rest of the dependency tree exhaustively, these were the
goals I've had most trouble fulfilling: lens, thock, template-haskell, vty,
microlens-th
Try running with --minimize-conflict-set to improve the error message.