right let's try this one again

src/main.rs

@@ -1,21 +1,44 @@
 #[macro_use]
-extern crate quicli;
-extern crate ansi_term;
+extern crate clap;
+extern crate indicatif;
+extern crate console;
 
-use ansi_term::Color::Yellow;
-use quicli::prelude::*;
+use clap::{App, SubCommand};
+use indicatif::{ProgressBar};
+use console::{style, Emoji};
+use std::process::Command;
 
-mod helpers;
-mod about_variables;
-
-#[derive(Debug, StructOpt)]
-struct Cli {
-    exercise: Option<String>,
+fn main() {
+  let matches = App::new("r2")
+      .version(crate_version!())
+      .author("Olivia Hugger")
+      .about("Test")
+      .subcommand(SubCommand::with_name("verify").alias("v"))
+      .get_matches();
+  
+  if let Some(_) = matches.subcommand_matches("verify") {
+    execute("exercises/ex1.rs");
+    execute("exercises/ex2.rs");
+    execute("exercises/ex3.rs");
+    execute("exercises/ex4.rs");
+    execute("exercises/ex5.rs");
+  }
 }
 
-main!(|args: Cli| if let Some(e) = args.exercise {
-    println!("selected {}", e);
-} else {
-    println!("Welcome to {}!\n", Yellow.paint("Rustlings"));
-    about_variables::exec();
-});
+fn execute(filename: &str) {
+  let bar = ProgressBar::new_spinner();
+  bar.set_message(format!("Compiling {}...", filename).as_str());
+  bar.enable_steady_tick(100);
+  let compilecmd = Command::new("rustc")
+                           .args(&[filename, "-o", "temp"])
+                           .output()
+                           .expect("fail");
+  bar.finish_and_clear();
+  if compilecmd.status.success() {
+    println!("{} Successfully compiled {}!", Emoji("✅", "✓"), style(filename).italic());
+  } else {
+    println!("{} Compilation of {} failed! Compiler error message:\n", Emoji("⚠️ ", "!"), style(filename).italic());
+    println!("{}", String::from_utf8_lossy(&compilecmd.stderr));
+    std::process::exit(1);
+  }
+}