Build #2 for ghci-8.6.4

[all reports]

Package ghci-8.6.4
Install PlanningFailed
Docs NotTried
Tests NotTried
Time submitted 2019-04-14 22:11:13.138465134 UTC
Compiler ghc-8.6.3
OS linux
Arch x86_64
Dependencies
Flags none

Build log

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Warning: The install command is a part of the legacy v1 style of cabal usage.

Please switch to using either the new project style and the new-install
command or the legacy v1-install alias as new-style projects will become the
default in the next version of cabal-install. Please file a bug if you cannot
replicate a working v1- use case with the new-style commands.

For more information, see: https://wiki.haskell.org/Cabal/NewBuild

Resolving dependencies...
cabal: Could not resolve dependencies:
[__0] trying: ghci-8.6.4 (user goal)
[__1] next goal: template-haskell (dependency of ghci)
[__1] rejecting: template-haskell-2.14.0.0/installed-2.1... (conflict: ghci =>
ghc-boot-th==8.6.4, template-haskell => ghc-boot-th==8.6.3/installed-8.6...)
[__1] 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)
[__1] fail (backjumping, conflict set: ghci, template-haskell)
After searching the rest of the dependency tree exhaustively, these were the
goals I've had most trouble fulfilling: template-haskell, ghci