Merge branch 'debian/sid' into debian/experimental

diff --cc debian/changelog
index e640bde412df30423ef3d5ced3514e61877855b1,40ccc10dce69700e6bf7b591b611b66b3cf04826..75faad5b24e270464d196ccd31b323395099e7ec
--- 1/debian/changelog
--- 2/debian/changelog
+++ b/debian/changelog
@@@ -1,9 -1,16 +1,22 @@@
 +rustc (1.54.0+dfsg1-1~exp1) experimental; urgency=medium
 +
 +  * New upstream release.
 +
 + -- Ximin Luo <infinity0@debian.org>  Wed, 06 Oct 2021 10:37:55 +0100
 +
+ rustc (1.53.0+dfsg1-4) unstable; urgency=medium
+ 
+   * Ignore some hanging test regressions on non-release arches powerpc, ppc64.
+ 
+  -- Ximin Luo <infinity0@debian.org>  Wed, 06 Oct 2021 19:24:11 +0100
+ 
+ rustc (1.53.0+dfsg1-3) unstable; urgency=medium
+ 
+   * Disable patch that was backported incorrectly.
+   * Temporarily increase armhf allowed-failures to 12.
+ 
+  -- Ximin Luo <infinity0@debian.org>  Wed, 06 Oct 2021 19:01:54 +0100
+ 
  rustc (1.53.0+dfsg1-2) unstable; urgency=medium
  
    * Fix some test failures.

diff --cc debian/patches/series
index cd4d84b80f03a7a9f6b9040ee61a61aa19e74b7d,b25c8361b6c6acd4834e19854844648508e9b20f..6052dcb6db165755e370390090c4319a127ae4e7
--- 1/debian/patches/series
--- 2/debian/patches/series
+++ b/debian/patches/series
@@@ -1,16 -1,18 +1,17 @@@
  # Patches for upstream
  
  # pending, or forwarded
- u-86383.patch
+ #u-86383.patch
  u-89591.patch
  u-85807.patch
 +# next one can be dropped after upgrading to LLVM 13
  0001-Revert-Auto-merge-of-79547.patch
 -u-84752.patch
  u-reproducible-build.patch
  u-ignore-endian-big.patch
 -u-fix-cross-compile-tools.patch
 +u-ignore-endian-big-diff.patch
  
  # not forwarded, or forwarded but unlikely to be merged
 -u-ignore-endian-big-diff.patch
+ u-ignore-ppc-hangs.patch
  u-rustc-llvm-cross-flags.patch
  u-reproducible-dl-stage0.patch
  u-make-tests-work-without-rpath.patch