update CI

ci/install.sh

@@ -1,27 +1,14 @@
 set -ex
 
 main() {
-    local target=
-    if [ $TRAVIS_OS_NAME = linux ]; then
-        target=x86_64-unknown-linux-musl
-        sort=sort
-    else
-        target=x86_64-apple-darwin
-        sort=gsort  # for `sort --sort-version`, from brew's coreutils.
-    fi
-
-    # This fetches latest stable release
-    local tag=$(git ls-remote --tags --refs --exit-code https://github.com/japaric/cross \
-                       | cut -d/ -f3 \
-                       | grep -E '^v[0.1.0-9.]+$' \
-                       | $sort --version-sort \
-                       | tail -n1)
-    curl -LSfs https://japaric.github.io/trust/install.sh | \
-        sh -s -- \
-           --force \
-           --git japaric/cross \
-           --tag $tag \
-           --target $target
+    case $TARGET in
+        thumbv*-none-eabi*)
+            cargo install --list | grep xargo || \
+                cargo install xargo
+            rustup component list | grep 'rust-src.*installed' || \
+                rustup component add rust-src
+            ;;
+    esac
 }
 
 main

ci/script.sh

@@ -2,12 +2,17 @@ set -ex
 
 main() {
     if [ $TARGET = x86_64-unknown-linux-gnu ]; then
+        cargo build
         cargo test
         return
     fi
 
-    cross build --target $TARGET
-    cross build --target $TARGET --release
+    xargo build --target $TARGET
+    for ex in $(ls examples/*); do
+        ex=$(basename $ex)
+        ex=${ex%.*}
+        xargo build --target $TARGET --example $ex
+    done
 }
 
 main