use naersk

flake.lock

@@ -1,17 +1,45 @@
 {
   "nodes": {
-    "flake-utils": {
+    "fenix": {
+      "inputs": {
+        "nixpkgs": [
+          "naersk",
+          "nixpkgs"
+        ],
+        "rust-analyzer-src": "rust-analyzer-src"
+      },
       "locked": {
-        "lastModified": 1659877975,
-        "narHash": "sha256-zllb8aq3YO3h8B/U0/J1WBgAL8EX5yWf5pMj3G0NAmc=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "c0e246b9b83f637f4681389ecabcb2681b4f3af0",
+        "lastModified": 1752475459,
+        "narHash": "sha256-z6QEu4ZFuHiqdOPbYss4/Q8B0BFhacR8ts6jO/F/aOU=",
+        "owner": "nix-community",
+        "repo": "fenix",
+        "rev": "bf0d6f70f4c9a9cf8845f992105652173f4b617f",
         "type": "github"
       },
       "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
+        "owner": "nix-community",
+        "repo": "fenix",
+        "type": "github"
+      }
+    },
+    "naersk": {
+      "inputs": {
+        "fenix": "fenix",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1763384566,
+        "narHash": "sha256-r+wgI+WvNaSdxQmqaM58lVNvJYJ16zoq+tKN20cLst4=",
+        "owner": "nix-community",
+        "repo": "naersk",
+        "rev": "d4155d6ebb70fbe2314959842f744aa7cabbbf6a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "naersk",
         "type": "github"
       }
     },
@@ -33,28 +61,24 @@
     },
     "root": {
       "inputs": {
-        "nixpkgs": "nixpkgs",
-        "rust-overlay": "rust-overlay"
+        "naersk": "naersk",
+        "nixpkgs": "nixpkgs"
       }
     },
-    "rust-overlay": {
-      "inputs": {
-        "flake-utils": "flake-utils",
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
+    "rust-analyzer-src": {
+      "flake": false,
       "locked": {
-        "lastModified": 1677119371,
-        "narHash": "sha256-L0Da4eKzDZrsy8ysOS1lhgDjAgEqGvYGf/lXaRd5/YQ=",
-        "owner": "oxalica",
-        "repo": "rust-overlay",
-        "rev": "c67c79ea25664d66e74ae91a6fa0d6c65d12d3a7",
+        "lastModified": 1752428706,
+        "narHash": "sha256-EJcdxw3aXfP8Ex1Nm3s0awyH9egQvB2Gu+QEnJn2Sfg=",
+        "owner": "rust-lang",
+        "repo": "rust-analyzer",
+        "rev": "591e3b7624be97e4443ea7b5542c191311aa141d",
         "type": "github"
       },
       "original": {
-        "owner": "oxalica",
-        "repo": "rust-overlay",
+        "owner": "rust-lang",
+        "ref": "nightly",
+        "repo": "rust-analyzer",
         "type": "github"
       }
     }

flake.nix

@@ -3,24 +3,23 @@
 
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
-    rust-overlay.url = "github:oxalica/rust-overlay";
-    rust-overlay.inputs.nixpkgs.follows = "nixpkgs";
+    naersk.url = "github:nix-community/naersk";
+    naersk.inputs.nixpkgs.follows = "nixpkgs";
   };
 
   outputs =
     {
       self,
       nixpkgs,
-      rust-overlay,
+      naersk,
     }:
     let
       pkgsFor =
         system:
         import nixpkgs {
           inherit system;
-          overlays = [
-            rust-overlay.overlays.default
-          ];
+          overlays = [];
+          config = {};
         };
       lib = nixpkgs.lib;
       eachSupportedSystem = lib.genAttrs lib.systems.flakeExposed;
@@ -30,6 +29,7 @@
         system:
         let
           pkgs = pkgsFor system;
+          naersk' = pkgs.callPackage naersk {};
         in
         {
           bvg =
@@ -76,7 +76,7 @@
             echo $(echo "($(od -tu -An -N 2 /dev/urandom)%1000)+500"|bc) $(echo "($(od -tu -An -N 2 /dev/urandom)%500)+100"|bc)
             done | rusty-jeep 1
           '';
-          rusty-jeep = pkgs.rustPlatform.buildRustPackage rec {
+          rusty-jeep = naersk'.buildPackage {
             name = "rusty-jeep";
             version = "1.0.0";
             src = ./rusty-jeep;