Merge version 1.56.0+dfsg1-2+rpi1 and 1.57.0+dfsg1-1 to produce 1.57.0+dfsg1-1+rpi1

diff --cc debian/changelog
index c7acf6a217ddb4bf9af7e89c060db5254c82bdf6,f6e8c8a319632d7a6a3f2777b10a3c4318d0fa82..faf6d7126fc9330f6e1e1a18f0dd0652753bf623
--- 1/debian/changelog
--- 2/debian/changelog
+++ b/debian/changelog
@@@ -1,15 -1,20 +1,33 @@@
- rustc (1.56.0+dfsg1-2+rpi1) bookworm-staging; urgency=medium
++rustc (1.57.0+dfsg1-1+rpi1) bookworm-staging; urgency=medium
 +
 +  [changes brought forward from 1.15.1+dfsg1-1~exp3+rpi1 by Peter Michael Green <plugwash@raspbian.org> at Wed, 15 Mar 2017 10:16:18 +0000]
 +  * Build for armv6.
 +  [changes introduced in 1.18.0+dfsg1-4+rpi1 by Peter Michael Green]
 +  * Disable testsuite.
 +  [changes introduced in 1.37.0+dfsg1-1+rpi1 by Peter Michael Green]
 +  * Set DEB_BUILD_RUST_TYPE based on the compiler that is actually installed.
 +  [changes introduced in 1.42.0+dfsg1-1+rpi1 by Peter Michael Green]
 +  * Use the compiler itself rather than dpkg to detect DEB_BUILD_RUST_TYPE
 +
-  -- Raspbian forward porter <root@raspbian.org>  Tue, 16 Nov 2021 05:44:39 +0000
++ -- Raspbian forward porter <root@raspbian.org>  Sun, 13 Mar 2022 14:43:57 +0000
++
+ rustc (1.57.0+dfsg1-1) unstable; urgency=medium
+ 
+   * Upload to unstable. (Closes: #1005203)
+ 
+  -- Ximin Luo <infinity0@debian.org>  Tue, 08 Mar 2022 10:51:18 +0000
+ 
+ rustc (1.57.0+dfsg1-1~exp1) experimental; urgency=medium
+ 
+   [ Simon Chopin ]
+   * d/p/d-bootstrap-rustflags.patch: remove the warnings bit, use the option
+     "deny-warnings = false" in d/config.toml.in instead
+ 
+   [ Fabian Grünbichler ]
+   * Fix CVE-2022-21658 - std::fs::remove_dir_all TOCTOU symlink issue
+   * New upstream release. (Closes: #1005203)
+ 
+  -- Fabian Grünbichler <f.gruenbichler@proxmox.com>  Thu, 03 Feb 2022 19:14:04 +0100
  
  rustc (1.56.0+dfsg1-2) unstable; urgency=medium
  

diff --cc debian/rules
Simple merge