Switched from nix-vscode-extensions to nix4vscode

devenv.lock

@@ -17,6 +17,27 @@
         "type": "github"
       }
     },
+    "fenix": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "rust-analyzer-src": "rust-analyzer-src"
+      },
+      "locked": {
+        "lastModified": 1716704729,
+        "owner": "nix-community",
+        "repo": "fenix",
+        "rev": "aaa27b4cf3729b6562cd4dd65ba24eeda3731002",
+        "treeHash": "0e081193f8806dc1d70eff224cc18dba1b039b71",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "fenix",
+        "type": "github"
+      }
+    },
     "flake-compat": {
       "flake": false,
       "locked": {
@@ -56,17 +77,17 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1716715802,
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "e2dd4e18cc1c7314e24154331bae07df76eb582f",
-        "treeHash": "52be98f562d6c56c7dceffc946d3b96f29a1b95b",
+        "lastModified": 1713361204,
+        "owner": "cachix",
+        "repo": "devenv-nixpkgs",
+        "rev": "285676e87ad9f0ca23d8714a6ab61e7e027020c6",
+        "treeHash": "50354b35a3e0277d4a83a0a88fa0b0866b5f392f",
         "type": "github"
       },
       "original": {
-        "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
-        "repo": "nixpkgs",
+        "owner": "cachix",
+        "ref": "rolling",
+        "repo": "devenv-nixpkgs",
         "type": "github"
       }
     },
@@ -112,9 +133,27 @@
     "root": {
       "inputs": {
         "devenv": "devenv",
+        "fenix": "fenix",
         "nixpkgs": "nixpkgs",
         "pre-commit-hooks": "pre-commit-hooks"
       }
+    },
+    "rust-analyzer-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1716714715,
+        "owner": "rust-lang",
+        "repo": "rust-analyzer",
+        "rev": "71a816a90facb6546a0a06010da17598e11812f7",
+        "treeHash": "a60ed07e9e6ed952ddc28e275ac107758dd20262",
+        "type": "github"
+      },
+      "original": {
+        "owner": "rust-lang",
+        "ref": "nightly",
+        "repo": "rust-analyzer",
+        "type": "github"
+      }
     }
   },
   "root": "root",