flake.lock: Update

Flake lock file updates:

• Added input 'nil':
    'github:oxalica/nil/7c555755fc278f5cb9869918856a03baa4785ea2' (2022-08-05)
• Added input 'nil/flake-utils':
    'github:numtide/flake-utils/7e2a3b3dfd9af950a856d66b0a7d01e3c18aa249' (2022-07-04)
• Added input 'nil/nixpkgs':
    follows 'nixpkgs'
• Added input 'nil/rust-overlay':
    'github:oxalica/rust-overlay/28cedcb8dfea9f1b96b0635cf99fe6bdca163f4e' (2022-08-04)
• Added input 'nil/rust-overlay/flake-utils':
    follows 'nil/flake-utils'
• Added input 'nil/rust-overlay/nixpkgs':
    follows 'nil/nixpkgs'

flake.lock

@@ -266,6 +266,21 @@
         "type": "github"
       }
     },
+    "flake-utils_2": {
+      "locked": {
+        "lastModified": 1656928814,
+        "narHash": "sha256-RIFfgBuKz6Hp89yRr7+NR5tzIAbn52h8vT6vXkYjZoM=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "7e2a3b3dfd9af950a856d66b0a7d01e3c18aa249",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
     "flakeCompat": {
       "flake": false,
       "locked": {
@@ -389,6 +404,28 @@
         "type": "indirect"
       }
     },
+    "nil": {
+      "inputs": {
+        "flake-utils": "flake-utils_2",
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "rust-overlay": "rust-overlay_2"
+      },
+      "locked": {
+        "lastModified": 1659717448,
+        "narHash": "sha256-+R/gylGl1dhaFFIyHCDUujuAPCZ2tsQrsBdLmIsUMuw=",
+        "owner": "oxalica",
+        "repo": "nil",
+        "rev": "7c555755fc278f5cb9869918856a03baa4785ea2",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "nil",
+        "type": "github"
+      }
+    },
     "nix-crx": {
       "inputs": {
         "nixpkgs": [
@@ -606,6 +643,7 @@
         "helix": "helix",
         "home-manager": "home-manager",
         "kernel-clr": "kernel-clr",
+        "nil": "nil",
         "nix-crx": "nix-crx",
         "nix-super": "nix-super",
         "nixos-hardware": "nixos-hardware",
@@ -635,6 +673,31 @@
         "type": "github"
       }
     },
+    "rust-overlay_2": {
+      "inputs": {
+        "flake-utils": [
+          "nil",
+          "flake-utils"
+        ],
+        "nixpkgs": [
+          "nil",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1659599305,
+        "narHash": "sha256-htzFq5RffyoKSZxiLfpUq5CyhkQwycsXB5ptale5e78=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "28cedcb8dfea9f1b96b0635cf99fe6bdca163f4e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "type": "github"
+      }
+    },
     "utils": {
       "locked": {
         "lastModified": 1648297722,