refactor(tvix/nix-compat): move nar writer to tokio r/7898

There's little reason to keep the nar writer using Async{Read,Write}
traits from futures, while everything else async in tvix (and
nix-compat) uses tokio.

Change-Id: I8cd1efcd0dd5bb76471de997603c7b701a5095de
Reviewed-on: https://cl.tvl.fyi/c/depot/+/11391
Tested-by: BuildkiteCI
Reviewed-by: raitobezarius <tvl@lahfa.xyz>
Reviewed-by: Brian Olsen <me@griff.name>

1 files changed, 2 insertions, 9 deletions

diff --git a/tvix/Cargo.nix b/tvix/Cargo.nix
index 216dd2c6e1fc..f4bc00bb3c43 100644
--- a/tvix/Cargo.nix
+++ b/tvix/Cargo.nix
@@ -6718,12 +6718,6 @@ rec {
             packageId = "enum-primitive-derive";
           }
           {
-            name = "futures-util";
-            packageId = "futures-util";
-            optional = true;
-            features = [ "io" ];
-          }
-          {
             name = "glob";
             packageId = "glob";
           }
@@ -6814,13 +6808,12 @@ rec {
           }
         ];
         features = {
-          "async" = [ "futures-util" ];
-          "futures-util" = [ "dep:futures-util" ];
+          "async" = [ "tokio" ];
           "pin-project-lite" = [ "dep:pin-project-lite" ];
           "tokio" = [ "dep:tokio" ];
           "wire" = [ "tokio" "pin-project-lite" ];
         };
-        resolvedDefaultFeatures = [ "async" "futures-util" "pin-project-lite" "tokio" "wire" ];
+        resolvedDefaultFeatures = [ "async" "pin-project-lite" "tokio" "wire" ];
       };
       "nom" = rec {
         crateName = "nom";