Merge branch 'debian/sid' into debian/experimental

diff --cc debian/changelog
index 053115b4d63d3806f08a4c6e2526706779c3807c,805bf6fd366d2c63143824a86ccab123e0e16389..08d63430a7fbd096c1a311dff18f416622404b2f
--- 1/debian/changelog
--- 2/debian/changelog
+++ b/debian/changelog
@@@ -1,10 -1,10 +1,17 @@@
 +rustc (1.16.0+dfsg1-1~exp1) experimental; urgency=medium
 +
 +  * New upstream release
 +  * u-ignoretest-jemalloc.patch removed (applied upstream)
 +
 + -- Sylvestre Ledru <sylvestre@debian.org>  Fri, 17 Mar 2017 10:33:46 +0100
 +
+ rustc (1.15.1+dfsg1-1) unstable; urgency=medium
+ 
+   * Upload to unstable so we have something to build 1.16 with.
+   * Try to fix ignoring atomic-lock-free tests on armhf.
+ 
+  -- Ximin Luo <infinity0@debian.org>  Wed, 22 Mar 2017 00:13:27 +0100
+ 
  rustc (1.15.1+dfsg1-1~exp3) experimental; urgency=medium
  
    * Ignore atomic-lock-free tests on armhf.