Upgrade rust/crates/thiserror-impl to 1.0.26

Test: make
Change-Id: I4a3714da4edbd8ebb8551817573ef4ce827bab9a
diff --git a/.cargo_vcs_info.json b/.cargo_vcs_info.json
index bc886ab..16f81ed 100644
--- a/.cargo_vcs_info.json
+++ b/.cargo_vcs_info.json
@@ -1,5 +1,5 @@
 {
   "git": {
-    "sha1": "19cb5cee4b51203f6801daa3ff0185761d0d3d4c"
+    "sha1": "031fea6f3b82c72be11477e7550c6ae3579e6139"
   }
 }
diff --git a/Android.bp b/Android.bp
index 8e0a561..41c72f0 100644
--- a/Android.bp
+++ b/Android.bp
@@ -52,7 +52,7 @@
 }
 
 // dependent_library ["feature_list"]
-//   proc-macro2-1.0.27 "default,proc-macro"
+//   proc-macro2-1.0.28 "default,proc-macro"
 //   quote-1.0.9 "default,proc-macro"
-//   syn-1.0.73 "clone-impls,default,derive,parsing,printing,proc-macro,quote"
+//   syn-1.0.74 "clone-impls,default,derive,parsing,printing,proc-macro,quote"
 //   unicode-xid-0.2.2 "default"
diff --git a/Cargo.toml b/Cargo.toml
index 44bc47f..2f1e842 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,7 +13,7 @@
 [package]
 edition = "2018"
 name = "thiserror-impl"
-version = "1.0.25"
+version = "1.0.26"
 authors = ["David Tolnay <dtolnay@gmail.com>"]
 description = "Implementation detail of the `thiserror` crate"
 license = "MIT OR Apache-2.0"
diff --git a/Cargo.toml.orig b/Cargo.toml.orig
index 1458595..39bbc3d 100644
--- a/Cargo.toml.orig
+++ b/Cargo.toml.orig
@@ -1,6 +1,6 @@
 [package]
 name = "thiserror-impl"
-version = "1.0.25"
+version = "1.0.26"
 authors = ["David Tolnay <dtolnay@gmail.com>"]
 edition = "2018"
 license = "MIT OR Apache-2.0"
diff --git a/METADATA b/METADATA
index d5fb4e5..24ef154 100644
--- a/METADATA
+++ b/METADATA
@@ -7,13 +7,13 @@
   }
   url {
     type: ARCHIVE
-    value: "https://static.crates.io/crates/thiserror-impl/thiserror-impl-1.0.25.crate"
+    value: "https://static.crates.io/crates/thiserror-impl/thiserror-impl-1.0.26.crate"
   }
-  version: "1.0.25"
+  version: "1.0.26"
   license_type: NOTICE
   last_upgrade_date {
     year: 2021
-    month: 6
-    day: 21
+    month: 8
+    day: 9
   }
 }
diff --git a/src/expand.rs b/src/expand.rs
index fa85cbb..789eee6 100644
--- a/src/expand.rs
+++ b/src/expand.rs
@@ -115,7 +115,11 @@
         quote! {
             #[allow(unused_qualifications)]
             impl #impl_generics std::fmt::Display for #ty #ty_generics #where_clause {
-                #[allow(clippy::used_underscore_binding)]
+                #[allow(
+                    // Clippy bug: https://github.com/rust-lang/rust-clippy/issues/7422
+                    clippy::nonstandard_macro_braces,
+                    clippy::used_underscore_binding,
+                )]
                 fn fmt(&self, __formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                     #body
                 }
@@ -303,7 +307,13 @@
             impl #impl_generics std::fmt::Display for #ty #ty_generics #where_clause {
                 fn fmt(&self, __formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                     #use_as_display
-                    #[allow(unused_variables, deprecated, clippy::used_underscore_binding)]
+                    #[allow(
+                        unused_variables,
+                        deprecated,
+                        // Clippy bug: https://github.com/rust-lang/rust-clippy/issues/7422
+                        clippy::nonstandard_macro_braces,
+                        clippy::used_underscore_binding,
+                    )]
                     match #void_deref self {
                         #(#arms,)*
                     }
diff --git a/src/prop.rs b/src/prop.rs
index e011848..059b74b 100644
--- a/src/prop.rs
+++ b/src/prop.rs
@@ -65,7 +65,7 @@
 fn from_field<'a, 'b>(fields: &'a [Field<'b>]) -> Option<&'a Field<'b>> {
     for field in fields {
         if field.attrs.from.is_some() {
-            return Some(&field);
+            return Some(field);
         }
     }
     None
@@ -74,12 +74,12 @@
 fn source_field<'a, 'b>(fields: &'a [Field<'b>]) -> Option<&'a Field<'b>> {
     for field in fields {
         if field.attrs.from.is_some() || field.attrs.source.is_some() {
-            return Some(&field);
+            return Some(field);
         }
     }
     for field in fields {
         match &field.member {
-            Member::Named(ident) if ident == "source" => return Some(&field),
+            Member::Named(ident) if ident == "source" => return Some(field),
             _ => {}
         }
     }
@@ -89,12 +89,12 @@
 fn backtrace_field<'a, 'b>(fields: &'a [Field<'b>]) -> Option<&'a Field<'b>> {
     for field in fields {
         if field.attrs.backtrace.is_some() {
-            return Some(&field);
+            return Some(field);
         }
     }
     for field in fields {
         if field.is_backtrace() {
-            return Some(&field);
+            return Some(field);
         }
     }
     None
diff --git a/src/valid.rs b/src/valid.rs
index 7246d0c..7657265 100644
--- a/src/valid.rs
+++ b/src/valid.rs
@@ -188,7 +188,7 @@
         }
     }
     if let Some(source_field) = source_field.or(from_field) {
-        if contains_non_static_lifetime(&source_field.ty) {
+        if contains_non_static_lifetime(source_field.ty) {
             return Err(Error::new_spanned(
                 &source_field.original.ty,
                 "non-static lifetimes are not allowed in the source of an error, because std::error::Error requires the source is dyn Error + 'static",