lang/rust: Update to 1.38.0

- Force rebuild all consumers to catch regressions early

Thanks to Mikaël Urankar for providing updated bootstraps for
aarch64, armv6, armv7, powerpc64.

Changes:	https://blog.rust-lang.org/2019/09/26/Rust-1.38.0.html
Tested by:	jbeich, mikael.urankar@gmail.com, tobik
With hat:	rust
Differential Revision:	https://reviews.freebsd.org/D21778

2 files changed, 104 insertions, 0 deletions

diff --git a/mail/thunderbird/Makefile b/mail/thunderbird/Makefile
index b654d3bce726..fa5e8f8046cb 100644
--- a/mail/thunderbird/Makefile
+++ b/mail/thunderbird/Makefile
@@ -3,6 +3,7 @@
 
 PORTNAME=	thunderbird
 DISTVERSION=	68.1.1
+PORTREVISION=	1
 CATEGORIES=	mail news net-im ipv6
 MASTER_SITES=	MOZILLA/${PORTNAME}/releases/${DISTVERSION}/source \
 		MOZILLA/${PORTNAME}/candidates/${DISTVERSION}-candidates/build1/source
diff --git a/mail/thunderbird/files/patch-third__party_rust_cssparser_src_parser.rs b/mail/thunderbird/files/patch-third__party_rust_cssparser_src_parser.rs
new file mode 100644
index 000000000000..a677ec2ef397
--- /dev/null
+++ b/mail/thunderbird/files/patch-third__party_rust_cssparser_src_parser.rs
@@ -0,0 +1,103 @@
+From 3c98d22c5de3b696bf1fde2b6c90069812312aa6 Mon Sep 17 00:00:00 2001
+From: Simon Sapin <simon.sapin@exyr.org>
+Date: Tue, 23 Apr 2019 13:47:25 +0200
+Subject: [PATCH] Fix a future-compat warning
+
+```
+warning[E0506]: cannot assign to `self.input.cached_token` because it is borrowed
+   --> src/parser.rs:591:17
+    |
+566 |     pub fn next_including_whitespace_and_comments(&mut self) -> Result<&Token<'i>, BasicParseError<'i>> {
+    |                                                   - let's call the lifetime of this reference `'1`
+...
+579 |             Some(ref cached_token)
+    |                  ---------------- borrow of `self.input.cached_token` occurs here
+...
+591 |                 self.input.cached_token = Some(CachedToken {
+    |                 ^^^^^^^^^^^^^^^^^^^^^^^ assignment to borrowed `self.input.cached_token` occurs here
+...
+603 |         Ok(token)
+    |         --------- returning this value requires that `self.input.cached_token.0` is borrowed for `'1`
+    |
+    = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
+    = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
+```
+--- third_party/rust/cssparser/.cargo-checksum.json.orig	2019-08-26 16:52:35 UTC
++++ third_party/rust/cssparser/.cargo-checksum.json
+@@ -1 +1 @@
+-{"files":{"Cargo.toml":"150d450e43bcb9e523941408be883997ecffce7ff5f224329372edfe56334a55","LICENSE":"fab3dd6bdab226f1c08630b1dd917e11fcb4ec5e1e020e2c16f83a0a13863e85","README.md":"b9d6c5dc56ccc267db9e0e2389061dc2524daefa4baed88b36c98efc7a51c2a9","build.rs":"310d6d7b1931ff783a8aa1a4c6baee87b4c9130c858e4694ef69cc96df5e38dc","build/match_byte.rs":"6f7ec4235c9f2da403ea0be9339661ecd8e1f5e1c788cf88a41448b1080c59b8","docs/404.html":"025861f76f8d1f6d67c20ab624c6e418f4f824385e2dd8ad8732c4ea563c6a2e","docs/index.html":"025861f76f8d1f6d67c20ab624c6e418f4f824385e2dd8ad8732c4ea563c6a2e","src/color.rs":"43f996fbd8da54bd8ffa870f5e3610e5ba6e61543f92a129fa6c850e9b10db7e","src/cow_rc_str.rs":"541216f8ef74ee3cc5cbbc1347e5f32ed66588c401851c9a7d68b867aede1de0","src/from_bytes.rs":"331fe63af2123ae3675b61928a69461b5ac77799fff3ce9978c55cf2c558f4ff","src/lib.rs":"a474ee88ef8f73fcb7b7272d426e5eafb4ad10d104797a5a188d1676c8180972","src/macros.rs":"adb9773c157890381556ea83d7942dcc676f99eea71abbb6afeffee1e3f28960","src/nth.rs":"5c70fb542d1376cddab69922eeb4c05e4fcf8f413f27563a2af50f72a47c8f8c","src/parser.rs":"22067562160a1294fa92779b66c25cbccf259a2ef7dcf687c791fecdd020ce7f","src/rules_and_declarations.rs":"622ce07c117a511d40ce595602d4f4730659a59273388f28553d1a2b0fac92ce","src/serializer.rs":"3e2dfc60613f885cb6f99abfc854fde2a1e00de507431bd2e51178b61abfd69b","src/size_of_tests.rs":"385a0d77fbd6f86cb8013fd8d7541886980876a9da1da714bf175954c0e726cf","src/tests.rs":"9d08b3943d453664e01d58e307f79345e240f9f9ce6f8d36a842eff37155563e","src/tokenizer.rs":"adcf5811955e8df57a519e3d1e44fe3afeb5afeb1076daeb8d36fed1abcf1327","src/unicode_range.rs":"ae159d2ebe4123a6666e18dc0362f89b475240a6b7ed5fb6fe21b9e7a4139da8"},"package":"ba1ab4e1814be64bf6b6064ff532db0e34087f11b37706d6c96a21d32478761d"}
+\ No newline at end of file
++{"files":{},"package":"ba1ab4e1814be64bf6b6064ff532db0e34087f11b37706d6c96a21d32478761d"}
+--- third_party/rust/cssparser/src/parser.rs.orig	2019-08-26 16:52:35 UTC
++++ third_party/rust/cssparser/src/parser.rs
+@@ -556,39 +556,47 @@ impl<'i: 't, 't> Parser<'i, 't> {
+     /// where comments are preserved.
+     /// When parsing higher-level values, per the CSS Syntax specification,
+     /// comments should always be ignored between tokens.
+-    pub fn next_including_whitespace_and_comments(&mut self) -> Result<&Token<'i>, BasicParseError<'i>> {
++    pub fn next_including_whitespace_and_comments(
++        &mut self
++    ) -> Result<&Token<'i>, BasicParseError<'i>> {
+         if let Some(block_type) = self.at_start_of.take() {
+             consume_until_end_of_block(block_type, &mut self.input.tokenizer);
+         }
+ 
+         let byte = self.input.tokenizer.next_byte();
+         if self.stop_before.contains(Delimiters::from_byte(byte)) {
+-            return Err(self.new_basic_error(BasicParseErrorKind::EndOfInput))
++            return Err(self.new_basic_error(BasicParseErrorKind::EndOfInput));
+         }
+ 
+         let token_start_position = self.input.tokenizer.position();
+-        let token;
+-        match self.input.cached_token {
+-            Some(ref cached_token)
+-            if cached_token.start_position == token_start_position => {
+-                self.input.tokenizer.reset(&cached_token.end_state);
+-                match cached_token.token {
+-                    Token::Function(ref name) => self.input.tokenizer.see_function(name),
+-                    _ => {}
+-                }
+-                token = &cached_token.token
++        let using_cached_token = self
++            .input
++            .cached_token
++            .as_ref()
++            .map_or(false, |cached_token| {
++                cached_token.start_position == token_start_position
++            });
++        let token = if using_cached_token {
++            let cached_token = self.input.cached_token.as_ref().unwrap();
++            self.input.tokenizer.reset(&cached_token.end_state);
++            match cached_token.token {
++                Token::Function(ref name) => self.input.tokenizer.see_function(name),
++                _ => {}
+             }
+-            _ => {
+-                let new_token = self.input.tokenizer.next()
+-                    .map_err(|()| self.new_basic_error(BasicParseErrorKind::EndOfInput))?;
+-                self.input.cached_token = Some(CachedToken {
+-                    token: new_token,
+-                    start_position: token_start_position,
+-                    end_state: self.input.tokenizer.state(),
+-                });
+-                token = self.input.cached_token_ref()
+-            }
+-        }
++            &cached_token.token
++        } else {
++            let new_token = self
++                .input
++                .tokenizer
++                .next()
++                .map_err(|()| self.new_basic_error(BasicParseErrorKind::EndOfInput))?;
++            self.input.cached_token = Some(CachedToken {
++                token: new_token,
++                start_position: token_start_position,
++                end_state: self.input.tokenizer.state(),
++            });
++            self.input.cached_token_ref()
++        };
+ 
+         if let Some(block_type) = BlockType::opening(token) {
+             self.at_start_of = Some(block_type);