cachix: build using GHC 9.4 to avoid kernel crash

pkgs/development/haskell-modules/configuration-ghc-9.4.x.nix

@@ -187,7 +187,8 @@ in {
   servant-swagger = doJailbreak super.servant-swagger;
   servant-client-core = doJailbreak super.servant-client-core;
   servant-client = doJailbreak super.servant-client;
-  relude = doJailbreak super.relude;
+  # https://github.com/kowainik/relude/issues/436
+  relude = dontCheck (doJailbreak super.relude);
 
   # Fixes compilation failure with GHC >= 9.4 on aarch64-* due to an API change
   cborg = appendPatch (pkgs.fetchpatch {

pkgs/top-level/all-packages.nix

@@ -19830,7 +19830,8 @@ with pkgs;
   c-blosc = callPackage ../development/libraries/c-blosc { };
 
   # justStaticExecutables is needed due to https://github.com/NixOS/nix/issues/2990
-  cachix = haskell.lib.justStaticExecutables haskellPackages.cachix;
+  # ghc94: https://discourse.haskell.org/t/facing-mmap-4096-bytes-at-nil-cannot-allocate-memory-youre-not-alone/6259
+  cachix = haskell.lib.justStaticExecutables haskell.packages.ghc94.cachix;
 
   calcium = callPackage ../development/libraries/calcium { };