Resolving dependencies...
cabal: Could not resolve dependencies:
[__0] next goal: ghc-lib-parser-ex (user goal)
[__0] rejecting: ghc-lib-parser-ex-9.2.1.1, ghc-lib-parser-ex-9.2.1.0,
ghc-lib-parser-ex-9.2.0.4, ghc-lib-parser-ex-9.2.0.3,
ghc-lib-parser-ex-9.2.0.1, ghc-lib-parser-ex-9.2.0.0,
ghc-lib-parser-ex-9.0.0.6, ghc-lib-parser-ex-9.0.0.4,
ghc-lib-parser-ex-9.0.0.3, ghc-lib-parser-ex-9.0.0.2,
ghc-lib-parser-ex-9.0.0.1, ghc-lib-parser-ex-9.0.0.0,
ghc-lib-parser-ex-8.10.0.24, ghc-lib-parser-ex-8.10.0.23,
ghc-lib-parser-ex-8.10.0.22, ghc-lib-parser-ex-8.10.0.21,
ghc-lib-parser-ex-8.10.0.19, ghc-lib-parser-ex-8.10.0.17,
ghc-lib-parser-ex-8.10.0.16, ghc-lib-parser-ex-8.10.0.15,
ghc-lib-parser-ex-8.10.0.14, ghc-lib-parser-ex-8.10.0.13,
ghc-lib-parser-ex-8.10.0.12.1, ghc-lib-parser-ex-8.10.0.12,
ghc-lib-parser-ex-8.10.0.11, ghc-lib-parser-ex-8.10.0.10,
ghc-lib-parser-ex-8.10.0.9, ghc-lib-parser-ex-8.10.0.8,
ghc-lib-parser-ex-8.10.0.7, ghc-lib-parser-ex-8.10.0.6,
ghc-lib-parser-ex-8.10.0.5, ghc-lib-parser-ex-8.10.0.4,
ghc-lib-parser-ex-8.10.0.3, ghc-lib-parser-ex-8.10.0.2,
ghc-lib-parser-ex-8.10.0.1, ghc-lib-parser-ex-8.10.0.0,
ghc-lib-parser-ex-8.8.6.1, ghc-lib-parser-ex-8.8.6.0,
ghc-lib-parser-ex-8.8.5.8, ghc-lib-parser-ex-8.8.5.7,
ghc-lib-parser-ex-8.8.5.6, ghc-lib-parser-ex-8.8.5.5,
ghc-lib-parser-ex-8.8.5.4, ghc-lib-parser-ex-8.8.5.3,
ghc-lib-parser-ex-8.8.5.2, ghc-lib-parser-ex-8.8.5.1,
ghc-lib-parser-ex-8.8.5.0, ghc-lib-parser-ex-8.8.4.0,
ghc-lib-parser-ex-8.8.3.0, ghc-lib-parser-ex-8.8.2,
ghc-lib-parser-ex-8.8.1.20191204 (constraint from user target requires
==0.20220801)
[__0] trying: ghc-lib-parser-ex-0.20220801
[__1] next goal: ghc-lib-parser (dependency of ghc-lib-parser-ex)
[__1] rejecting: ghc-lib-parser-9.2.4.20220729 (conflict: ghc-lib-parser-ex =>
ghc-lib-parser==0.20220801)
[__1] skipping: ghc-lib-parser-9.2.3.20220709, ghc-lib-parser-9.2.3.20220527,
ghc-lib-parser-9.2.2.20220307, ghc-lib-parser-9.2.1.20220109,
ghc-lib-parser-9.2.1.20211101, ghc-lib-parser-9.2.1.20211030,
ghc-lib-parser-9.0.2.20211226, ghc-lib-parser-9.0.1.20210324,
ghc-lib-parser-9.0.1.20210207, ghc-lib-parser-9.0.1.20210205,
ghc-lib-parser-8.10.7.20220219, ghc-lib-parser-8.10.7.20210828,
ghc-lib-parser-8.10.6.20210814, ghc-lib-parser-8.10.5.20210606,
ghc-lib-parser-8.10.4.20210206, ghc-lib-parser-8.10.3.20201220,
ghc-lib-parser-8.10.2.20200916, ghc-lib-parser-8.10.2.20200808,
ghc-lib-parser-8.10.1.20200916, ghc-lib-parser-8.10.1.20200523,
ghc-lib-parser-8.10.1.20200518, ghc-lib-parser-8.10.1.20200412,
ghc-lib-parser-8.10.1.20200324, ghc-lib-parser-8.8.4.20210620,
ghc-lib-parser-8.8.4.20200716, ghc-lib-parser-8.8.3.20210620,
ghc-lib-parser-8.8.3.20200412.1, ghc-lib-parser-8.8.3.20200412,
ghc-lib-parser-8.8.3.20200224, ghc-lib-parser-8.8.2.20210620,
ghc-lib-parser-8.8.2.20200205, ghc-lib-parser-8.8.2,
ghc-lib-parser-8.8.1.20210620, ghc-lib-parser-8.8.1.20191204,
ghc-lib-parser-8.8.1, ghc-lib-parser-8.8.0.20190723,
ghc-lib-parser-8.8.0.20190424 (has the same characteristics that caused the
previous version to fail: excluded by constraint '==0.20220801' from
'ghc-lib-parser-ex')
[__1] trying: ghc-lib-parser-0.20220801
[__2] next goal: base (dependency of ghc-lib-parser-ex)
[__2] rejecting: base-4.14.1.0/installed-4.14.1.0 (conflict: ghc-lib-parser =>
base>=4.15 && <4.18)
[__2] rejecting: base-4.16.3.0, base-4.16.2.0, base-4.16.1.0, base-4.16.0.0,
base-4.15.1.0, base-4.15.0.0, base-4.14.3.0, base-4.14.2.0, base-4.14.1.0,
base-4.14.0.0, base-4.13.0.0, base-4.12.0.0, base-4.11.1.0, base-4.11.0.0,
base-4.10.1.0, base-4.10.0.0, base-4.9.1.0, base-4.9.0.0, base-4.8.2.0,
base-4.8.1.0, base-4.8.0.0, base-4.7.0.2, base-4.7.0.1, base-4.7.0.0,
base-4.6.0.1, base-4.6.0.0, base-4.5.1.0, base-4.5.0.0, base-4.4.1.0,
base-4.4.0.0, base-4.3.1.0, base-4.3.0.0, base-4.2.0.2, base-4.2.0.1,
base-4.2.0.0, base-4.1.0.0, base-4.0.0.0, base-3.0.3.2, base-3.0.3.1
(constraint from non-upgradeable package requires installed instance)
[__2] fail (backjumping, conflict set: base, ghc-lib-parser,
ghc-lib-parser-ex)
After searching the rest of the dependency tree exhaustively, these were the
goals I've had most trouble fulfilling: ghc-lib-parser-ex, ghc-lib-parser,
base