Resolving dependencies...
Error: cabal: Could not resolve dependencies:
[__0] trying: vty-windows-0.2.0.3 (user goal)
[__1] next goal: Win32 (dependency of vty-windows)
[__1] rejecting: Win32-2.14.0.0, Win32-2.13.4.0, Win32-2.13.3.0,
Win32-2.13.2.1, Win32-2.13.2.0, Win32-2.13.1.0, Win32-2.13.0.0,
Win32-2.12.0.1, Win32-2.12.0.0, Win32-2.11.1.0, Win32-2.11.0.0,
Win32-2.10.1.1, Win32-2.10.1.0, Win32-2.10.0.0, Win32-2.9.0.0, Win32-2.8.5.0
(library is not buildable in the current environment, but it is required by
vty-windows)
[__1] rejecting: Win32-2.8.4.0 (conflict: vty-windows => Win32>=2.8.5.0)
[__1] skipping: Win32-2.8.3.0, Win32-2.8.2.0, Win32-2.8.1.0, Win32-2.8.0.0,
Win32-2.7.0.0, Win32-2.6.2.1, Win32-2.6.2.0, Win32-2.6.1.0, Win32-2.6.0.0,
Win32-2.5.4.1, Win32-2.5.3.0, Win32-2.5.2.0, Win32-2.5.1.0, Win32-2.5.0.0,
Win32-2.4.0.0, Win32-2.3.1.1, Win32-2.3.1.0, Win32-2.3.0.2, Win32-2.3.0.1,
Win32-2.3.0.0, Win32-2.2.2.0, Win32-2.2.1.0, Win32-2.2.0.2, Win32-2.2.0.1,
Win32-2.2.0.0, Win32-2.1.0.0, Win32-2.1, Win32-2.5.4.0 (has the same
characteristics that caused the previous version to fail: excluded by
constraint '>=2.8.5.0' from 'vty-windows')
[__1] fail (backjumping, conflict set: Win32, vty-windows)
After searching the rest of the dependency tree exhaustively, these were the
goals I've had most trouble fulfilling: vty-windows, Win32