message: Attempt to fix CI
  Travis looks to have switched to rustup.rs
diff: @@ -17,6 +17,7 @@ matrix:
  IMAGE=dist
  MAKE_TARGETS="test distcheck doc install uninstall"
  ALLOW_PR=1
  + NO_ADD=1
  - env: TARGET=i686-unknown-linux-gnu
  IMAGE=dist
  MAKE_TARGETS=test-unit-i686-unknown-linux-gnu
  @@ -27,6 +28,7 @@ matrix:
  ALT=i686-apple-darwin
  MAKE_TARGETS="test distcheck doc install uninstall"
  MACOSX_DEPLOYMENT_TARGET=10.7
  + NO_ADD=1
  os: osx
  - env: TARGET=i686-apple-darwin
  MAKE_TARGETS=test-unit-i686-apple-darwin
  @@ -61,22 +63,22 @@ matrix:
  IMAGE=cross
  - env: TARGET=mips64-unknown-linux-gnuabi64
  IMAGE=cross
  - rust: beta-2017-03-03
  + rust: beta
  - env: TARGET=mips64el-unknown-linux-gnuabi64
  IMAGE=cross
  - rust: beta-2017-03-03
  + rust: beta
  - env: TARGET=s390x-unknown-linux-gnu
  IMAGE=cross
  - rust: beta-2017-03-03
  + rust: beta
  - env: TARGET=powerpc-unknown-linux-gnu
  IMAGE=cross
  - rust: beta-2017-03-03
  + rust: beta
  - env: TARGET=powerpc64-unknown-linux-gnu
  IMAGE=cross
  - rust: beta-2017-03-03
  + rust: beta
  - env: TARGET=powerpc64le-unknown-linux-gnu
  IMAGE=cross
  - rust: beta-2017-03-03
  + rust: beta
  # beta/nightly builds
  - env: TARGET=x86_64-unknown-linux-gnu
  @@ -84,24 +86,22 @@ matrix:
  IMAGE=dist
  MAKE_TARGETS="test distcheck doc install uninstall"
  DEPLOY=0
  - rust: beta-2017-03-03
  + NO_ADD=1
  + rust: beta
  - env: TARGET=x86_64-unknown-linux-gnu
  ALT=i686-unknown-linux-gnu
  IMAGE=dist
  MAKE_TARGETS="test distcheck doc install uninstall"
  DEPLOY=0
  - rust: nightly-2017-03-03
  + NO_ADD=1
  + rust: nightly
  exclude:
  - rust: stable
  before_script:
  - - curl https://static.rust-lang.org/rustup.sh |
  - sh -s -- --add-target=$TARGET --disable-sudo -y --prefix=`rustc --print sysroot`
  - - if [ ! -z "$ALT" ]; then
  - curl https://static.rust-lang.org/rustup.sh |
  - sh -s -- --add-target=$ALT --disable-sudo -y --prefix=`rustc --print sysroot`;
  - fi
  + - if [ -z "$NO_ADD" ]; then rustup target add $TARGET; fi
  + - if [ ! -z "$ALT" ]; then rustup target add $ALT; fi
  script:
  - >
  if [ "$ALLOW_PR" = "" ] && [ "$TRAVIS_PULL_REQUEST" != "false" ]; then
  