Merge version 1.42.0+dfsg1-1+rpi1 and 1.43.0+dfsg1-1 to produce 1.43.0+dfsg1-1+rpi1

diff --cc debian/changelog
index 3451a9624c023ff788d6cda47053ab9254ed2ae2,187de6027154b780b1564dacce725350c8432a5a..9a150e087cfe5392c76e25b5eb23ab87b119e9e0
--- 1/debian/changelog
--- 2/debian/changelog
+++ b/debian/changelog
@@@ -1,15 -1,17 +1,30 @@@
- rustc (1.42.0+dfsg1-1+rpi1) bullseye-staging; urgency=medium
++rustc (1.43.0+dfsg1-1+rpi1) bullseye-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
 +
-  -- Peter Michael Green <plugwash@raspbian.org>  Sat, 25 Apr 2020 04:53:04 +0000
++ -- Raspbian forward porter <root@raspbian.org>  Fri, 17 Jul 2020 17:43:38 +0000
++
+ rustc (1.43.0+dfsg1-1) unstable; urgency=medium
+ 
+   * Upload to unstable.
+   * Bump LLVM B-D version for some backported fixes affecting rustc.
+ 
+  -- Ximin Luo <infinity0@debian.org>  Sun, 05 Jul 2020 15:06:52 +0100
+ 
+ rustc (1.43.0+dfsg1-1~exp1) experimental; urgency=medium
+ 
+   * Drop sparc64 workaround. (Closes: #956413)
+   * Drop stack-gap workaround for old kernels and rust versions.
+   * New upstream release.
+ 
+  -- Ximin Luo <infinity0@debian.org>  Mon, 27 Apr 2020 13:09:20 +0100
  
  rustc (1.42.0+dfsg1-1) unstable; urgency=medium
  

diff --cc debian/rules
Simple merge