ping/rust: adapt to rust-sdk patch, remove unused dependencies

README.md

@@ -20,7 +20,7 @@ When a new version of libp2p is released, we want to make it permanent in the `p
         - update the `go-libp2p` version, go version, and update the code if needed.
         - then `go get -tags v$B && go mod tidy`
 3. Run the test on your machine
-    - Do once, from the test-plans root: import the test-plans with `testground plan import ./ --name libp2p`
+    - Do once, from the test-plans root: import the test-plans with `testground plan import --from ./ --name libp2p`
     - Run the test with `testground run composition -f ping/_compositions/go-cross-versions.toml --wait`
 
 ## How to add a new version to ping/rust
@@ -35,7 +35,7 @@ When a new version of libp2p is released, we want to make it permanent in the `p
     - `src/main.rs`: Update the `mod libp2p` definition with the new master
     - Run `cargo update` if needed. Try to build with `cargo build --features libp2pvxxx`
 3. Run the test on your machine
-    - Do once, from the test-plans root: import the test-plans with `testground plan import ./ --name libp2p`
+    - Do once, from the test-plans root: import the test-plans with `testground plan import --from ./ --name libp2p`
     - Run the test with `testground run composition -f ping/_compositions/rust-cross-versions.toml --wait`
 
 ## License

ping/_compositions/rust.toml

@@ -1,9 +1,13 @@
 [master]
-Version = '0.48.0'
-CargoFeatures = 'libp2pv0480'
+Version = '0.49.0'
+CargoFeatures = 'libp2pv0490'
 
 [custom]
-Version = '0.48.0'
+Version = '0.49.0'
+CargoFeatures = 'libp2pv0490'
+
+[[groups]]
+Id = '0.48.0'
 CargoFeatures = 'libp2pv0480'
 
 [[groups]]