when i am writing a code i getting this errors, subsequetly does not allow me to compile. tried changing cargo.toml but seems doesnt work and anchor.toml too but seems doesnt work, tho i could miss something

full details with code: https://pastebin.com/AKk4BwWW

use anchor_lang::prelude::*;
use anchor_spl::token::{self, Mint, TokenAccount, Transfer};
use anchor_lang::solana_program::pubkey::Pubkey;
 
declare_id!("7tCrgBvAb4EVvzVmoqXKbVjMyGp39CcwEwk2raFtJZi4");
 
#[program]
pub mod tokens {
    use super::*;
 
    pub fn initialize(ctx: Context<Initialize>, amount: u64) -> ProgramResult {
        Ok(())
    }
 
}