Merge branch 'bug33195_041' into bug33195_042

Conflicts:
* Keep RUST_VERSION from maint-0.4.2
* Keep the commented-out allow_failure entries from bug33195_041

diff --cc .travis.yml
index 26c7b33cd7048c3cf832c0c46cea1f277859c2ff,14b0e12c7a760ac67fa46aa03c02054a75974d9e..c3903fe1e171a03f20019cccf1ff05c507f64d15
--- 1/.travis.yml
--- 2/.travis.yml
+++ b/.travis.yml
@@@ -71,14 -79,9 +81,9 @@@ matrix
      ## concurrent macOS jobs. We're not actively developing Rust, so it is
      ## the lowest priority.
      ## We run rust on macOS, because we have seen macOS rust failures before
 -    #- env: RUST_OPTIONS="--enable-rust --enable-cargo-online-mode"
 +    #- env: RUST_VERSION="nightly" RUST_OPTIONS="--enable-rust --enable-cargo-online-mode"
      #  compiler: clang
      #  os: osx
-     ## We run chutney on macOS, because macOS Travis has IPv6
-     - env: CHUTNEY="yes" CHUTNEY_ALLOW_FAILURES="2" SKIP_MAKE_CHECK="yes"
-       os: osx
-     ## We clone our stem repo and run `make test-stem`
-     - env: TEST_STEM="yes" SKIP_MAKE_CHECK="yes"
  
    ## Allow the build to report success (with non-required sub-builds
    ## continuing to run) if all required sub-builds have succeeded.
@@@ -90,11 -93,17 +95,17 @@@
      ## macOS rust and chutney are very slow, so we let the build finish before
      ## they are done.  We'd like to fast finish, but still eventually show
      ## any failures in the build status. But Travis doesn't have that ability.
-     - env: RUST_VERSION="nightly" RUST_OPTIONS="--enable-rust --enable-cargo-online-mode"
-       compiler: clang
-       os: osx
-     - env: CHUTNEY="yes" CHUTNEY_ALLOW_FAILURES="2" SKIP_MAKE_CHECK="yes"
-       os: osx
+ 
+     ## Since this job is disabled, there's not much point having an exception
+     ## for it
 -    #- env: RUST_OPTIONS="--enable-rust --enable-cargo-online-mode"
++    #- env: RUST_VERSION="nightly" RUST_OPTIONS="--enable-rust --enable-cargo-online-mode"
+     #  compiler: clang
+     #  os: osx
+ 
+     ## Since we're actively developing IPv6, we want to require the IPv6
+     ## chutney tests
+     #- env: CHUTNEY="yes" CHUTNEY_ALLOW_FAILURES="2" SKIP_MAKE_CHECK="yes"
+     #  os: osx
  
  ## (Linux only) Use a recent Linux image (Ubuntu Bionic)
  dist: bionic