message: Fixing wrong npm LTS version.
  Original commit:
diff: @@ -8,7 +8,7 @@ let args = process.argv.slice(2)
  let no_validation = '--no-validation'
  async function init () {
  if(!args.includes(no_validation)) {
  - await cmd.check_version('npm','6.14.1',{silent:true})
  + await cmd.check_version('npm','6.13.4',{silent:true})
  await cmd.check_version('node','v12.16.1',{silent:true})
  await cmd.check_version('rustc','1.40.0-nightly',{preprocess:(v)=>v.substring(6,20),silent:true})
  }
  