use rustc_metadata::cstore::CStore;
use rustc::util::common::time;
+use std::cmp::max;
use std::cmp::Ordering::Equal;
use std::env;
use std::io::{self, Read, Write};
.map(|&(s, _)| s.chars().count())
.max()
.unwrap_or(0);
+ let max_name_len = std::cmp::max(max_name_len, "warnings".len());
+
let padded = |x: &str| {
let mut s = repeat(" ")
.take(max_name_len - x.chars().count())
println!("Lint groups provided by rustc:\n");
println!(" {} {}", padded("name"), "sub-lints");
println!(" {} {}", padded("----"), "---------");
+ println!(" {} {}", padded("warnings"), "all built-in lints");
let print_lint_groups = |lints: Vec<(&'static str, Vec<lint::LintId>)>| {
for (name, to) in lints {