edition: manual changes

This is mostly just about removing 'extern crate' everywhere and fixing
the fallout.

crates/ignore/src/dir.rs

@@ -581,7 +581,7 @@ impl IgnoreBuilder {
                 .unwrap();
             let (gi, err) = builder.build_global();
             if let Some(err) = err {
-                debug!("{}", err);
+                log::debug!("{}", err);
             }
             gi
         };

crates/ignore/src/gitignore.rs

@@ -592,7 +592,7 @@ fn parse_excludes_file(data: &[u8]) -> Option<PathBuf> {
     // N.B. This is the lazy approach, and isn't technically correct, but
     // probably works in more circumstances. I guess we would ideally have
     // a full INI parser. Yuck.
-    lazy_static! {
+    lazy_static::lazy_static! {
         static ref RE: Regex =
             Regex::new(r"(?im)^\s*excludesfile\s*=\s*(.+)\s*$").unwrap();
     };

crates/ignore/src/lib.rs

@@ -46,19 +46,6 @@ See the documentation for `WalkBuilder` for many other options.
 
 #![deny(missing_docs)]
 
-
-#[macro_use]
-extern crate lazy_static;
-#[macro_use]
-extern crate log;
-
-
-
-
-use walkdir;
-#[cfg(windows)]
-extern crate winapi_util;
-
 use std::error;
 use std::fmt;
 use std::io;

crates/ignore/src/types.rs

@@ -427,7 +427,7 @@ impl TypesBuilder {
     /// If `name` is `all` or otherwise contains any character that is not a
     /// Unicode letter or number, then an error is returned.
     pub fn add(&mut self, name: &str, glob: &str) -> Result<(), Error> {
-        lazy_static! {
+        lazy_static::lazy_static! {
             static ref RE: Regex = Regex::new(r"^[\pL\pN]+$").unwrap();
         };
         if name == "all" || !RE.is_match(name) {

crates/ignore/src/walk.rs

@@ -1725,7 +1725,7 @@ fn skip_filesize(
 
     if let Some(fs) = filesize {
         if fs > max_filesize {
-            debug!("ignoring {}: {} bytes", path.display(), fs);
+            log::debug!("ignoring {}: {} bytes", path.display(), fs);
             true
         } else {
             false
@@ -1738,10 +1738,10 @@ fn skip_filesize(
 fn should_skip_entry(ig: &Ignore, dent: &DirEntry) -> bool {
     let m = ig.matched_dir_entry(dent);
     if m.is_ignore() {
-        debug!("ignoring {}: {:?}", dent.path().display(), m);
+        log::debug!("ignoring {}: {:?}", dent.path().display(), m);
         true
     } else if m.is_whitelist() {
-        debug!("whitelisting {}: {:?}", dent.path().display(), m);
+        log::debug!("whitelisting {}: {:?}", dent.path().display(), m);
         false
     } else {
         false