fix: Add rust-src as extension (#1001)

flake.lock

@@ -19,11 +19,11 @@
         "nixpkgs-lib": "nixpkgs-lib"
       },
       "locked": {
-        "lastModified": 1749398372,
-        "narHash": "sha256-tYBdgS56eXYaWVW3fsnPQ/nFlgWi/Z2Ymhyu21zVM98=",
+        "lastModified": 1751413152,
+        "narHash": "sha256-Tyw1RjYEsp5scoigs1384gIg6e0GoBVjms4aXFfRssQ=",
         "owner": "hercules-ci",
         "repo": "flake-parts",
-        "rev": "9305fe4e5c2a6fcf5ba6a3ff155720fbe4076569",
+        "rev": "77826244401ea9de6e3bac47c2db46005e1f30b5",
         "type": "github"
       },
       "original": {
@@ -34,11 +34,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1750506804,
-        "narHash": "sha256-VLFNc4egNjovYVxDGyBYTrvVCgDYgENp5bVi9fPTDYc=",
+        "lastModified": 1751271578,
+        "narHash": "sha256-P/SQmKDu06x8yv7i0s8bvnnuJYkxVGBWLWHaU+tt4YY=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "4206c4cb56751df534751b058295ea61357bbbaa",
+        "rev": "3016b4b15d13f3089db8a41ef937b13a9e33a8df",
         "type": "github"
       },
       "original": {
@@ -50,11 +50,11 @@
     },
     "nixpkgs-lib": {
       "locked": {
-        "lastModified": 1748740939,
-        "narHash": "sha256-rQaysilft1aVMwF14xIdGS3sj1yHlI6oKQNBRTF40cc=",
+        "lastModified": 1751159883,
+        "narHash": "sha256-urW/Ylk9FIfvXfliA1ywh75yszAbiTEVgpPeinFyVZo=",
         "owner": "nix-community",
         "repo": "nixpkgs.lib",
-        "rev": "656a64127e9d791a334452c6b6606d17539476e2",
+        "rev": "14a40a1d7fb9afa4739275ac642ed7301a9ba1ab",
         "type": "github"
       },
       "original": {
@@ -78,11 +78,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1750646674,
-        "narHash": "sha256-gHg6QUjMi1ObrocQUAoEhhbIfop14UNae4QDSHoKsRU=",
+        "lastModified": 1751423951,
+        "narHash": "sha256-AowKhJGplXRkAngSvb+32598DTiI6LOzhAnzgvbCtYM=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "65162ae665154e0eddb395166bd4956358981dd0",
+        "rev": "1684ed5b15859b655caf41b467d046e29a994d04",
         "type": "github"
       },
       "original": {

flake.nix

@@ -33,7 +33,9 @@
         devShells.default = pkgs.mkShell
         {
           nativeBuildInputs = with pkgs; [
-            rustToolchain
+            (rustToolchain.override {
+                extensions = ["rust-src"];
+            })
             pkg-config
           ];
         };