Resolving dependencies...
Error: cabal: Could not resolve dependencies:
[__0] trying: seonbi-0.3.3 (user goal)
[__1] trying: base-4.16.3.0/installed-4.16.3.0 (dependency of seonbi)
[__2] next goal: aeson (dependency of seonbi)
[__2] rejecting: aeson-2.1.0.0 (conflict: seonbi => aeson>=1.3.1 && <1.6)
[__2] skipping: aeson-2.0.3.0, aeson-2.0.2.0, aeson-2.0.1.0, aeson-2.0.0.0
(has the same characteristics that caused the previous version to fail:
excluded by constraint '>=1.3.1 && <1.6' from 'seonbi')
[__2] rejecting: aeson-1.5.6.0, aeson-1.5.5.1 (conflict: base =>
ghc-prim==0.8.0/installed-0.8.0, aeson => ghc-prim>=0.2 && <0.8)
[__2] rejecting: aeson-1.5.5.0 (conflict: base==4.16.3.0/installed-4.16.3.0,
aeson => base(>=4.7.0.0 && <5) && <0)
[__2] rejecting: aeson-1.5.4.1, aeson-1.5.4.0 (conflict: base =>
ghc-prim==0.8.0/installed-0.8.0, aeson => ghc-prim>=0.2 && <0.8)
[__2] rejecting: aeson-1.5.3.0, aeson-1.5.2.0, aeson-1.5.1.0, aeson-1.5.0.0,
aeson-1.4.7.1 (conflict: base => ghc-prim==0.8.0/installed-0.8.0, aeson =>
ghc-prim>=0.2 && <0.7)
[__2] rejecting: aeson-1.4.7.0, aeson-1.4.6.0, aeson-1.4.5.0, aeson-1.4.4.0,
aeson-1.4.3.0, aeson-1.4.2.0 (conflict: base =>
ghc-prim==0.8.0/installed-0.8.0, aeson => ghc-prim>=0.2 && <0.6)
[__2] trying: aeson-1.4.1.0
[__3] next goal: th-abstraction (dependency of aeson)
[__3] rejecting: th-abstraction-0.4.4.0 (conflict: aeson =>
th-abstraction>=0.2.2 && <0.3)
[__3] skipping: th-abstraction-0.4.3.0, th-abstraction-0.4.2.0,
th-abstraction-0.4.1.0, th-abstraction-0.4.0.0, th-abstraction-0.3.2.0,
th-abstraction-0.3.1.0, th-abstraction-0.3.0.0 (has the same characteristics
that caused the previous version to fail: excluded by constraint '>=0.2.2 &&
<0.3' from 'aeson')
[__3] trying: th-abstraction-0.2.11.0
[__4] next goal: template-haskell (dependency of aeson)
[__4] rejecting: template-haskell-2.18.0.0/installed-2.18.0.0 (conflict:
th-abstraction => template-haskell>=2.5 && <2.15)
[__4] skipping: template-haskell-2.19.0.0, template-haskell-2.18.0.0,
template-haskell-2.17.0.0, template-haskell-2.16.0.0,
template-haskell-2.15.0.0 (has the same characteristics that caused the
previous version to fail: excluded by constraint '>=2.5 && <2.15' from
'th-abstraction')
[__4] rejecting: template-haskell-2.14.0.0, template-haskell-2.13.0.0,
template-haskell-2.12.0.0, template-haskell-2.11.1.0,
template-haskell-2.11.0.0, template-haskell-2.10.0.0,
template-haskell-2.9.0.0, template-haskell-2.8.0.0, template-haskell-2.7.0.0,
template-haskell-2.6.0.0, template-haskell-2.5.0.0, template-haskell-2.4.0.1,
template-haskell-2.4.0.0, template-haskell-2.3.0.1, template-haskell-2.3.0.0,
template-haskell-2.2.0.0 (constraint from non-upgradeable package requires
installed instance)
[__4] fail (backjumping, conflict set: aeson, template-haskell,
th-abstraction)
After searching the rest of the dependency tree exhaustively, these were the
goals I've had most trouble fulfilling: aeson, seonbi, template-haskell, base,
th-abstraction
Try running with --minimize-conflict-set to improve the error message.