refactor(tvix/nix-compat): drop read_u32 r/7846

Actually these are all u64 LE encoded on the wire.

Change-Id: I5ca22c7639607ac47117cd946e036a444271885a
Reviewed-on: https://cl.tvl.fyi/c/depot/+/11348
Reviewed-by: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI

1 files changed, 2 insertions, 2 deletions

diff --git a/users/picnoir/tvix-daemon/src/main.rs b/users/picnoir/tvix-daemon/src/main.rs
index be03f95a5eb9..e302b83fcbf9 100644
--- a/users/picnoir/tvix-daemon/src/main.rs
+++ b/users/picnoir/tvix-daemon/src/main.rs
@@ -90,7 +90,7 @@ where
         conn.write(&primitive::PROTOCOL_VERSION).await?;
         conn.flush().await?;
         debug!("Hello responded");
-        let client_version = primitive::read_u32(&mut conn).await?;
+        let client_version = primitive::read_u64(&mut conn).await?;
         debug!("Version read");
         if client_version < 0x10a {
             return Err(anyhow!("The nix client version is too old"));
@@ -101,7 +101,7 @@ where
         if protocol_minor >= 14 {
             debug!("read cpu affinity");
             // Obsolete CPU affinity.
-            let read_affinity = primitive::read_u32(&mut conn).await?;
+            let read_affinity = primitive::read_u64(&mut conn).await?;
             if read_affinity != 0 {
                 skip_8_bytes(&mut conn).await?;
             };