message: Update build.rs \n Nightly is required for compiling
diff: @@ -2,12 +2,12 @@ extern crate ansi_term;
  extern crate version_check;
  use ansi_term::Color::{Blue, Red, White, Yellow};
  -use version_check::is_min_version;
  +use version_check::is_nightly;
  // Specifies the minimum version needed to compile Ion.
  // NOTE: 1.19 is required due to the usage of `break` with values for
  // `loop` (RFC 1624, rust-lang/rust GitHub issue #37339).
  -const MIN_VERSION: &'static str = "1.19.0";
  +//const MIN_VERSION: &'static str = "1.19.0";
  use std::env;
  use std::path::Path;
  @@ -31,19 +31,19 @@ fn main() {
  White.paint("Installed version is:"),
  Yellow.paint(format!("{}", version)),
  White.paint("Minimum required:"),
  - Yellow.paint(format!("{}", MIN_VERSION))
  + Yellow.paint("nightly")
  );
  };
  - match is_min_version(MIN_VERSION) {
  - Some((is_minimum, _)) if is_minimum => (), // Success!
  - Some((_, ref version_string)) => {
  + match is_nightly() {
  + Some(true) => (), // Success!
  + Some(false) => {
  printerr!(
  "{} {}",
  Red.bold().paint("Error:"),
  - White.paint("Ion requires at least version 1.19.0 to build.")
  + White.paint("Ion requires nighlty to build.")
  );
  - print_version_err(&*version_string);
  + //print_version_err(&*version_string);
  printerr!(
  "{}{}{}",
  Blue.paint("Use `"),
  