Auto merge of #68595 - pietroalbini:beta-next, r=Mark-Simulacrum

[beta] Prepare beta 1.42.0

r? @ghost

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

@@ -12,14 +12,14 @@
 # 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: 2019-12-18
-rustc: beta
-cargo: beta
+date: 2020-01-27
+rustc: 1.41.0
+cargo: 0.42.0
 
 # 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-2019-12-18
+#rustfmt: nightly-2019-12-18
 
 # When making a stable release the process currently looks like:
 #
@@ -39,4 +39,4 @@ rustfmt: nightly-2019-12-18
 # looking at a beta source tarball and it's uncommented we'll shortly comment it
 # out.
 
-#dev: 1
+dev: 1