Bug 1532645 - Update cubeb-backend to workaround a Rust bug. r=froydnj

rust-lang/rust#58881 doesn't repro with cubeb-backend
v5.0.1, so use that so that other Rust nightly users don't get their builds
busted.

Differential Revision: https://phabricator.services.mozilla.com/D22092

UltraBlame original commit: 9286348b9c33218e956417ce8675851ddbccaeaa

third_party/rust/cubeb-backend/.cargo-checksum.json

@@ -11,7 +11,7 @@ toml
 "
 :
 "
-4bae03732c4f490b3c7dbc07d2eabccf5d0f6b5ab2c1c74d592cc7609c9d8d8e
+5009330f8a03fc0cf4b10540514496db0281bb92541f9850217c5de7d12dc8b7
 "
 "
 LICENSE
@@ -51,7 +51,7 @@ rs
 "
 :
 "
-af1d787754706e34d6b8f4ac88aa89078ae9a16970b168ad8dc17cc4180688c2
+704faeb31934dad6bc6d02e01caa85118754209bd559d30d03fcfa5cb8c1603c
 "
 "
 src
@@ -92,6 +92,6 @@ package
 "
 :
 "
-fdcac95519416d9ec814db2dc40e6293e7da25b906023d93f48b87f0587ab138
+0432a0d08c3f9a778a2b0b6214c87ec2eb17e8639eb68baf0686bdafc4fd11f1
 "
 }

third_party/rust/cubeb-backend/Cargo.toml

@@ -124,7 +124,7 @@ version
 .
 5
 .
-0
+1
 "
 authors
 =

third_party/rust/cubeb-backend/src/log.rs

@@ -42,81 +42,16 @@ into
 (
 )
 {
-if
-let
-Some
-(
-log_callback
-)
-=
-crate
-:
-:
-ffi
-:
-:
-g_cubeb_log_callback
-{
-let
-cstr
-=
-:
-:
-std
-:
-:
-ffi
-:
-:
-CString
-:
-:
-new
-(
-concat
+cubeb_log_internal
 !
 (
-"
-%
-s
-:
-%
-d
-:
-"
+__INTERNAL__
 msg
-"
-\
-n
-"
-)
-)
-.
-unwrap
-(
-)
-;
-log_callback
-(
-cstr
-.
-as_ptr
-(
-)
-file
-!
-(
-)
-line
-!
-(
-)
 )
 ;
 }
 }
 }
-}
 ;
 (
 level
@@ -128,7 +63,7 @@ expr
 (
 arg
 :
-tt
+expr
 )
 +
 )
@@ -160,6 +95,34 @@ into
 (
 )
 {
+cubeb_log_internal
+!
+(
+__INTERNAL__
+format
+!
+(
+fmt
+(
+arg
+)
+*
+)
+)
+;
+}
+}
+}
+;
+(
+__INTERNAL__
+msg
+:
+expr
+)
+=
+>
+{
 if
 let
 Some
@@ -191,22 +154,30 @@ CString
 :
 new
 (
-concat
+format
 !
 (
 "
-%
-s
+{
+}
 :
-%
-d
+{
+}
 :
-"
-fmt
-"
+{
+}
 \
 n
 "
+file
+!
+(
+)
+line
+!
+(
+)
+msg
 )
 )
 .
@@ -221,25 +192,11 @@ cstr
 as_ptr
 (
 )
-file
-!
-(
-)
-line
-!
-(
-)
-(
-arg
-)
-+
 )
 ;
 }
 }
 }
-}
-}
 #
 [
 macro_export
@@ -277,7 +234,7 @@ expr
 (
 arg
 :
-tt
+expr
 )
 +
 )
@@ -340,7 +297,7 @@ expr
 (
 arg
 :
-tt
+expr
 )
 +
 )
@@ -402,14 +359,32 @@ cubeb_log
 !
 (
 "
+{
+}
 Formatted
 log
-%
-d
 "
 1
 )
 ;
+cubeb_log
+!
+(
+"
+{
+}
+Formatted
+{
+}
+log
+{
+}
+"
+1
+2
+3
+)
+;
 }
 #
 [
@@ -438,13 +413,31 @@ cubeb_logv
 !
 (
 "
+{
+}
 Formatted
 log
-%
-d
 "
 1
 )
 ;
+cubeb_logv
+!
+(
+"
+{
+}
+Formatted
+{
+}
+log
+{
+}
+"
+1
+2
+3
+)
+;
 }
 }