use crane instead of naersk

I guess naersk still doesn't support git dependencies using workspace
inheritance, but crane does.

flake.lock

 {
   "nodes": {
+    "crane": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "flake-utils": [
+          "flake-utils"
+        ],
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "rust-overlay": "rust-overlay"
+      },
+      "locked": {
+        "lastModified": 1680584903,
+        "narHash": "sha256-uraq+D3jcLzw/UVk0xMHcnfILfIMa0DLrtAEq2nNlxU=",
+        "owner": "ipetkov",
+        "repo": "crane",
+        "rev": "65d3f6a3970cd46bef5eedfd458300f72c56b3c5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "ipetkov",
+        "repo": "crane",
+        "type": "github"
+      }
+    },
     "fenix": {
       "inputs": {
         "nixpkgs": [
@@ -21,6 +46,22 @@
         "type": "github"
       }
     },
+    "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1673956053,
+        "narHash": "sha256-4gtG9iQuiKITOjNQQeQIpoIB6b16fm+504Ch3sNKLd8=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "35bb57c0c8d8b62bbfd284272c928ceb64ddbde9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
     "flake-utils": {
       "locked": {
         "lastModified": 1678901627,
@@ -36,26 +77,6 @@
         "type": "github"
       }
     },
-    "naersk": {
-      "inputs": {
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1679567394,
-        "narHash": "sha256-ZvLuzPeARDLiQUt6zSZFGOs+HZmE+3g4QURc8mkBsfM=",
-        "owner": "nix-community",
-        "repo": "naersk",
-        "rev": "88cd22380154a2c36799fe8098888f0f59861a15",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "naersk",
-        "type": "github"
-      }
-    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1680652733,
@@ -73,9 +94,9 @@
     },
     "root": {
       "inputs": {
+        "crane": "crane",
         "fenix": "fenix",
         "flake-utils": "flake-utils",
-        "naersk": "naersk",
         "nixpkgs": "nixpkgs"
       }
     },
@@ -95,6 +116,31 @@
         "repo": "rust-analyzer",
         "type": "github"
       }
+    },
+    "rust-overlay": {
+      "inputs": {
+        "flake-utils": [
+          "crane",
+          "flake-utils"
+        ],
+        "nixpkgs": [
+          "crane",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1680488274,
+        "narHash": "sha256-0vYMrZDdokVmPQQXtFpnqA2wEgCCUXf5a3dDuDVshn0=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "7ec2ff598a172c6e8584457167575b3a1a5d80d8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "type": "github"
+      }
     }
   },
   "root": "root",

flake.nix

@@ -7,9 +7,10 @@
       url = "github:nix-community/fenix";
       inputs.nixpkgs.follows = "nixpkgs";
     };
-    naersk = {
-      url = "github:nix-community/naersk";
+    crane = {
+      url = "github:ipetkov/crane";
       inputs.nixpkgs.follows = "nixpkgs";
+      inputs.flake-utils.follows = "flake-utils";
     };
   };
 
@@ -19,7 +20,7 @@
     , flake-utils
 
     , fenix
-    , naersk
+    , crane
     }: flake-utils.lib.eachDefaultSystem (system:
     let
       pkgs = nixpkgs.legacyPackages.${system};
@@ -40,9 +41,8 @@
       ROCKSDB_INCLUDE_DIR = "${pkgs.rocksdb_6_23}/include";
       ROCKSDB_LIB_DIR = "${pkgs.rocksdb_6_23}/lib";
 
-      builder = (pkgs.callPackage naersk {
-        inherit (toolchain) rustc cargo;
-      }).buildPackage;
+      builder =
+        ((crane.mkLib pkgs).overrideToolchain toolchain.toolchain).buildPackage;
     in
     {
       packages.default = builder {