Add build vs watch scripts, tell drone to build_all_features.

.drone.yml

@@ -13,7 +13,7 @@ steps:
   commands:
   - sccache -s
   - apt-get update && apt-get install -y libgoogle-perftools-dev
-  - (cd rtiow && cargo build --verbose --all)
+  - (cd rtiow && ./build_all_features.sh)
   - (cd rtiow && cargo test --verbose --all)
   - sccache -s
 

rtiow/build_all_features.sh

@@ -1,5 +1,6 @@
+set -e
 export RUSTFLAGS="-D warnings"
-cargo watch -x 'build' \
-  -x 'build --features=prom' \
-  -x 'build --features=profile' \
-  -x 'build --features=prom,profile'
+cargo build
+cargo build --features=prom
+cargo build --features=profile
+cargo build --features=prom,profile

rtiow/watch_all_features.sh

@@ -0,0 +1,5 @@
+export RUSTFLAGS="-D warnings"
+cargo watch -x 'build' \
+  -x 'build --features=prom' \
+  -x 'build --features=profile' \
+  -x 'build --features=prom,profile'