pkgs(rust): install using rust-overlay

flake.lock

@@ -55,6 +55,24 @@
         "type": "github"
       }
     },
+    "flake-utils_2": {
+      "inputs": {
+        "systems": "systems_2"
+      },
+      "locked": {
+        "lastModified": 1681202837,
+        "narHash": "sha256-H+Rh19JDwRtpVPAWp64F+rlEtxUWBAQW28eAi3SRSzg=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "cfacdce06f30d2b68473a46042957675eebb3401",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
     "home-manager": {
       "inputs": {
         "nixpkgs": [
@@ -113,6 +131,22 @@
         "type": "indirect"
       }
     },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1681358109,
+        "narHash": "sha256-eKyxW4OohHQx9Urxi7TQlFBTDWII+F+x2hklDOQPB50=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "96ba1c52e54e74c3197f4d43026b3f3d92e83ff9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "nur": {
       "locked": {
         "lastModified": 1687102100,
@@ -135,10 +169,30 @@
         "nixos-wsl": "nixos-wsl",
         "nixpkgs": "nixpkgs",
         "nur": "nur",
+        "rust-overlay": "rust-overlay",
         "unstable": "unstable",
         "utils": "utils"
       }
     },
+    "rust-overlay": {
+      "inputs": {
+        "flake-utils": "flake-utils_2",
+        "nixpkgs": "nixpkgs_2"
+      },
+      "locked": {
+        "lastModified": 1687055571,
+        "narHash": "sha256-UvLoO6u5n9TzY80BpM4DaacxvyJl7u9mm9CA72d309g=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "2de557c780dcb127128ae987fca9d6c2b0d7dc0f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "type": "github"
+      }
+    },
     "systems": {
       "locked": {
         "lastModified": 1681028828,
@@ -169,6 +223,21 @@
         "type": "github"
       }
     },
+    "systems_3": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
     "unstable": {
       "locked": {
         "lastModified": 1686960236,
@@ -186,7 +255,7 @@
     },
     "utils": {
       "inputs": {
-        "systems": "systems_2"
+        "systems": "systems_3"
       },
       "locked": {
         "lastModified": 1685518550,

flake.nix

@@ -7,6 +7,7 @@
     nur.url = "github:nix-community/NUR";
 
     utils.url = "github:numtide/flake-utils";
+    rust-overlay.url = "github:oxalica/rust-overlay";
 
     nixos-wsl = {
       url = "github:nix-community/NixOS-WSL";
@@ -28,7 +29,7 @@
     };
   };
 
-  outputs = { self, nixpkgs, unstable, nur, utils, nixos-wsl, darwin, home-manager, ... }@inputs: {
+  outputs = { self, nixpkgs, unstable, nur, utils, rust-overlay, nixos-wsl, darwin, home-manager, ... }@inputs: {
 
     # This repo's overlay plus any other overlays you use
     # If you want to use packages from flakes that are not nixpkgs (such as NUR), add their overlays here.\
@@ -40,6 +41,7 @@
           trunk = import inputs.trunk { system = final.system; };
         }
       );
+      rust-overlay = rust-overlay.overlays.default;
     };
 
     overlaysModule = {

user/modules/dev.nix

@@ -19,8 +19,8 @@
     rnix-lsp
     nixpkgs-fmt
     # Rust
-    cargo
-    rustc
-    rustfmt
+    (rust-bin.stable.latest.default.override {
+      extensions = [ "rust-src" ];
+    })
   ];
 }