Remove rust-toolchain.toml and reformat Nix sources

crane.nix

@@ -19,11 +19,14 @@ let
 
   # For easy cross-compilation in devShells
   # We are just composing the pkgsCross.*.stdenv.cc together
-  crossPlatforms = let
-    makeCrossPlatform = crossSystem: let
+  crossPlatforms =
+    let
+      makeCrossPlatform = crossSystem:
+        let
           pkgsCross =
             if crossSystem == system then pkgs
-        else import pkgs.path {
+            else
+              import pkgs.path {
                 inherit system crossSystem;
                 overlays = [ ];
               };
@@ -35,7 +38,8 @@ let
           cargoCcEnv = "CC_${rustTargetSpecUnderscored}"; # for ring
 
           cc = "${pkgsCross.stdenv.cc}/bin/${pkgsCross.stdenv.cc.targetPrefix}cc";
-    in {
+        in
+        {
           name = crossSystem;
           value = {
             inherit rustTargetSpec cc;
@@ -47,12 +51,14 @@ let
           };
         };
       systems = lib.filter (s: s == system || lib.hasInfix "linux" s) supportedSystems;
-  in builtins.listToAttrs (map makeCrossPlatform systems);
+    in
+    builtins.listToAttrs (map makeCrossPlatform systems);
 
   cargoTargets = lib.mapAttrsToList (_: p: p.rustTargetSpec) crossPlatforms;
   cargoCrossEnvs = lib.foldl (acc: p: acc // p.env) { } (builtins.attrValues crossPlatforms);
 
-  buildFor = system: let
+  buildFor = system:
+    let
       crossPlatform = crossPlatforms.${system};
       inherit (crossPlatform) pkgs;
       craneLib = (crane.mkLib pkgs).overrideToolchain rustNightly;
@@ -95,8 +101,10 @@ let
         # The resulting executable must be standalone
         allowedRequisites = [ ];
       });
-  in crate;
-in {
+    in
+    crate;
+in
+{
   inherit crossPlatforms cargoTargets cargoCrossEnvs rustNightly;
 
   flake-checker = buildFor system;

flake.nix

@@ -22,9 +22,12 @@
     };
   };
 
-  outputs = { self, nixpkgs, flake-utils, rust-overlay, crane, ... }: let
+  outputs = { self, nixpkgs, flake-utils, rust-overlay, crane, ... }:
+    let
       supportedSystems = flake-utils.lib.defaultSystems;
-  in flake-utils.lib.eachSystem supportedSystems (system: let
+    in
+    flake-utils.lib.eachSystem supportedSystems (system:
+      let
         pkgs = import nixpkgs {
           inherit system;
           overlays = [
@@ -37,7 +40,8 @@
         cranePkgs = pkgs.callPackage ./crane.nix {
           inherit crane supportedSystems;
         };
-  in {
+      in
+      {
         packages = rec {
           inherit (cranePkgs) flake-checker;
           default = flake-checker;

rust-toolchain.toml

@@ -1,2 +0,0 @@
-[toolchain]
-channel = "1.69.0"