Make barbq build again in latest nixpkgs

Author: Brandon Kase

barbq.cabal

@@ -38,5 +38,5 @@ executable barbq
     KindSignatures
     DerivingStrategies
     NoImplicitPrelude
-  build-depends:       base >=4.12 && <4.13, clock, mtl, relude, brick, lens, concurrency, async, async-timer, unliftio-core, free, pipes, pipes-concurrency, unliftio, exceptions, kan-extensions, comonad, vty, text, raw-strings-qq, process, megaparsec, profunctors, newtype
+  build-depends:       base, clock, mtl, relude, brick, lens, concurrency, async, async-timer, unliftio-core, free, pipes, pipes-concurrency, unliftio, exceptions, kan-extensions, comonad, vty, text, raw-strings-qq, process, megaparsec, profunctors, newtype
   default-language:    Haskell2010

default.nix

@@ -1,4 +1,4 @@
-{ compiler ? "ghc865", pkgs ? import <nixpkgs> {} }:
+{ compiler ? "ghc8104", pkgs ? import <nixpkgs> {} }:
 
 let
   getvolume = pkgs.callPackage ./getvolume/default.nix {};
@@ -10,7 +10,7 @@ let
           {
             ghc = super.ghc // { withPackages = super.ghc.withHoogle; };
             ghcWithPackages = self.ghc.withPackages;
-            async-timer = pkgs.haskell.lib.dontCheck super.async-timer;
+            async-timer = (pkgs.haskell.lib.doJailbreak (pkgs.haskell.lib.dontCheck super.async-timer));
           }
       );
     };