try implementing suggestions

library/backtrace

@@ -1 +1 @@
-Subproject commit 5e05efa87905fb5b351a2bc5644d60c57d6d9327
+Subproject commit 72265bea210891ae47bbe6d4f17b493ef0606619

src/doc/book

@@ -1 +1 @@
-Subproject commit 5e9051f71638aa941cd5dda465e25c61cde9594f
+Subproject commit 45c1a6d69edfd1fc91fb7504cb73958dbd09441e

src/doc/edition-guide

@@ -1 +1 @@
-Subproject commit bbaabbe088e21a81a0d9ae6757705020d5d7b416
+Subproject commit cb58c430b4e8054c2cb81d2d4434092c482a93d8

src/doc/reference

@@ -1 +1 @@
-Subproject commit 6019b76f5b28938565b251bbba0bf5cc5c43d863
+Subproject commit 0b805c65804019b0ac8f2fe3117afad82a6069b8

src/doc/rust-by-example

@@ -1 +1 @@
-Subproject commit 4840dca06cadf48b305d3ce0aeafde7f80933f80
+Subproject commit b1d97bd6113aba732b2091ce093c76f2d05bb8a0

src/doc/rustc-dev-guide

@@ -1 +1 @@
-Subproject commit 6a7374bd87cbac0f8be4fd4877d8186d9c313985
+Subproject commit aec82168dd3121289a194b381f56076fc789a4d2

src/tools/cargo

@@ -1 +1 @@
-Subproject commit 431db31d0dbeda320caf8ef8535ea48eb3093407
+Subproject commit a1f47ec3f7cd076986f1bfcd7061f2e8cb1a726e

src/tools/run-make-support/src/nm/mod.rs

@@ -3,8 +3,8 @@ use object::{Object, ObjectSection};
 use std::path::Path;
 
 #[derive(Debug)]
-pub struct Nm {
+pub struct Nm<'a> {
-    file: Option<object::File>,
+    file: Option<object::File<'a>>,
 }
 
 pub fn nm() -> Nm {
@@ -32,7 +32,9 @@ impl Nm {
         let object_file = self.file;
         let mut symbols_str = String::new();
         for section in object_file.sections() {
-            if let Ok(ObjectSection::SymbolTable(st)) = section.parse::<object::SymbolTable>() {
+            if let Ok(object::read::elf::SymbolTable(st)) =
+                section.parse::<object::read::elf::SymbolTable<'_, '_>>()
+            {
                 for symbol in st.symbols() {
                     symbols_str.push_str(&format!(
                         "{:016x} {:?} {}\n",