Auto merge of rust-lang#69886 - pietroalbini:beta-next, r=pietroalbini

[beta] Promote 1.43.0 to beta

This time pointing to the right branch.

src/ci/run.sh

@@ -43,7 +43,7 @@ fi
 #
 # FIXME: need a scheme for changing this `nightly` value to `beta` and `stable`
 #        either automatically or manually.
-export RUST_RELEASE_CHANNEL=nightly
+export RUST_RELEASE_CHANNEL=beta
 
 # Always set the release channel for bootstrap; this is normally not important (i.e., only dist
 # builds would seem to matter) but in practice bootstrap wants to know whether we're targeting

src/stage0.txt

@@ -12,15 +12,15 @@
 # source tarball for a stable release you'll likely see `1.x.0` for rustc and
 # `0.x.0` for Cargo where they were released on `date`.
 
-date: 2020-02-29
-rustc: beta
-cargo: beta
+date: 2020-03-10
+rustc: 1.42.0
+cargo: 0.43.0
 
 # We use a nightly rustfmt to format the source because it solves some
 # bootstrapping issues with use of new syntax in this repo. If you're looking at
 # the beta/stable branch, this key should be omitted, as we don't want to depend
 # on rustfmt from nightly there.
-rustfmt: nightly-2020-01-31
+#rustfmt: nightly-2020-01-31
 
 # When making a stable release the process currently looks like:
 #
@@ -40,4 +40,4 @@ rustfmt: nightly-2020-01-31
 # looking at a beta source tarball and it's uncommented we'll shortly comment it
 # out.
 
-#dev: 1
+dev: 1