fix rust template

templates/rust/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
-name = "RustBinary"
-description = "A rust binary"
+name = "hello"
+description = "A test rust binary"
 publish = false
 version = "0.1.0"
 

templates/rust/flake.nix

@@ -1,8 +1,8 @@
 {
-  description = "Rust-Nix";
+  description = "Rust-Hello";
 
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/unstable";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
     rust-overlay = {
       url = "github:oxalica/rust-overlay";
       inputs.nixpkgs.follows = "nixpkgs";
@@ -32,7 +32,7 @@
         # Use rust-bin to generate the toolchain from rust-toolchain.toml
         rust-toolchain = pkgs.rust-bin.fromRustupToolchainFile ./rust-toolchain.toml;
 
-        buildRustCrateForPkgs = pkgs:
+        buildRustCrateForPkgs = _:
           pkgs.buildRustCrate.override {
             rustc = rust-toolchain; # Use rustc from toolchain
             cargo = rust-toolchain; # Use cargo from toolchain
@@ -52,6 +52,7 @@
           hello = cargoNix.rootCrate.build;
           default = hello;
         };
+
         devShell = pkgs.mkShell {
           buildInputs = [rust-toolchain];
         };

templates/rust/rust-toolchain.toml

@@ -1,3 +1,3 @@
 [toolchain]
-channel = "1.80.1"
+channel = "1.85.0"
 components = [ "rustfmt", "rustc-dev", "rust-analyzer", "rust-src"]

templates/rust/src/main.rs

@@ -1,11 +1,3 @@
-use colored::*;
-
 fn main() {
-    println!("{}", "Hello, world!".red());
-    println!("{}", "Hello, world!".green());
-    println!("{}", "Hello, world!".yellow());
-    println!("{}", "Hello, world!".blue());
-    println!("{}", "Hello, world!".purple());
-    println!("{}", "Hello, world!".cyan());
-    println!("{}", "Hello, world!".white());
+    println!("{}", "Hello, world!");
 }