diff -Nru rustc-1.51.0+dfsg1+llvm/debian/changelog rustc-1.51.0+dfsg1+llvm/debian/changelog
--- rustc-1.51.0+dfsg1+llvm/debian/changelog	2021-07-04 23:28:11.000000000 +0000
+++ rustc-1.51.0+dfsg1+llvm/debian/changelog	2021-07-05 01:02:15.000000000 +0000
@@ -1,4 +1,4 @@
-rustc (1.51.0+dfsg1+llvm-1~exp3ubuntu1~ppa1) impish; urgency=medium
+rustc (1.51.0+dfsg1+llvm-1~exp3ubuntu1~ppa2) impish; urgency=medium
 
   * Merge 1.51.0+dfsg1-1~exp3 from Debian experimental (LP #1932145).
     Remaining changes:
@@ -35,8 +35,9 @@
     - Do not build windows cross compiler.
     - Try reducing parallelism in rustbuild on arm64 to avoid OOM.
     - Reduce parallelism during build on s390x too.
+  * Disable check against uploading ~exp versions.
 
- -- Michael Hudson-Doyle <michael.hudson@ubuntu.com>  Mon, 05 Jul 2021 11:28:11 +1200
+ -- Michael Hudson-Doyle <michael.hudson@ubuntu.com>  Mon, 05 Jul 2021 13:02:15 +1200
 
 rustc (1.51.0+dfsg1-1~exp3) experimental; urgency=medium
 
diff -Nru rustc-1.51.0+dfsg1+llvm/debian/rules rustc-1.51.0+dfsg1+llvm/debian/rules
--- rustc-1.51.0+dfsg1+llvm/debian/rules	2021-07-04 23:08:32.000000000 +0000
+++ rustc-1.51.0+dfsg1+llvm/debian/rules	2021-07-05 01:01:23.000000000 +0000
@@ -166,8 +166,6 @@
 debian/dh_auto_configure.stamp: debian/config.toml
 	# fail the build if we accidentally vendored openssl, indicates we pulled in unnecessary dependencies
 	test ! -e vendor/openssl
-	# fail the build if our version contains ~exp and we are not releasing to experimental
-	v="$(DEB_VERSION)"; test "$$v" = "$${v%~exp*}" -o "$(DEB_DISTRIBUTION)" = "experimental" -o "$(DEB_DISTRIBUTION)" = "UNRELEASED"
 	$(PRECONFIGURE_CHECK)
 	if [ -d stage0 ]; then mkdir -p build && ln -sfT ../stage0 build/cache; fi
 	# work around #842634