Auto merge of #58208 - taiki-e:libstd-2018, r=Centril

libstd => 2018

Transitions `libstd` to Rust 2018; cc #58099

r? @Centril

1 files changed, 10 insertions, 9 deletions

diff --git a/src/libstd/sys_common/backtrace.rs b/src/libstd/sys_common/backtrace.rs
index 347244b0e0d..1a80908779e 100644
--- a/src/libstd/sys_common/backtrace.rs
+++ b/src/libstd/sys_common/backtrace.rs
@@ -1,17 +1,18 @@
 /// Common code for printing the backtrace in the same way across the different
 /// supported platforms.
 
-use env;
-use io::prelude::*;
-use io;
-use path::{self, Path};
-use ptr;
+use crate::env;
+use crate::io::prelude::*;
+use crate::io;
+use crate::path::{self, Path};
+use crate::ptr;
+use crate::str;
+use crate::sync::atomic::{self, Ordering};
+use crate::sys::mutex::Mutex;
+
 use rustc_demangle::demangle;
-use str;
-use sync::atomic::{self, Ordering};
-use sys::mutex::Mutex;
 
-pub use sys::backtrace::{
+pub use crate::sys::backtrace::{
     unwind_backtrace,
     resolve_symname,
     foreach_symbol_fileline,