Update travis file to accommodate workspaces

Author: rrybarczyk

.travis.yml

@@ -11,12 +11,18 @@ before_install:
   - sudo apt-get install -y binutils-dev libunwind8-dev libcurl4-openssl-dev libelf-dev libdw-dev cmake gcc binutils-dev libiberty-dev
 
 script:
-  - RUSTFLAGS="-C link-dead-code" cargo build --verbose
-  - rm -f target/debug/lightning-* # Make sure we drop old test binaries
-  - RUSTFLAGS="-C link-dead-code" cargo test --verbose
-  - if [ "$(rustup show | grep default | grep 1.34.2)" != "" ]; then cd lightning/fuzz && cargo test --verbose && ./travis-fuzz.sh; fi
-  - if [ "$(rustup show | grep default | grep stable)" != "" ]; then cd lightning-net-tokio && cargo build --verbose && cd ..; fi
-  - if [ "$(rustup show | grep default | grep stable)" != "" ]; then
+    # Build workspaces with Rust stable, beta, and 1.34.0
+    - if [ "$(rustup show | grep default | grep 1.22.0)" == "" ]; RUSTFLAGS="-C link-dead-code" cargo build --verbose
+    - rm -f target/debug/lightning-* # Make sure we drop old test binaries
+      # Build lightning workspace with Rust 1.22.0
+    - if [ "$(rustup show | grep default | grep 1.22.0)" != "" ]; RUSTFLAGS="-C link-dead-code" cargo build --verbose -p lightning
+      # Test workspaces for Rust stable, beta, and 1.34.2
+    - if [ "$(rustup show | grep default | grep 1.22.0)" == "" ]; RUSTFLAGS="-C link-dead-code" cargo test --verbose
+      # Test lightning workspace for 1.22.0
+    - if [ "$(rustup show | grep default | grep 1.22.0)" != "" ]; RUSTFLAGS="-C link-dead-code" cargo test --verbose -p lightning
+      # Run lightning workspace fuzz tests for Rust 1.34.2
+    - if [ "$(rustup show | grep default | grep 1.34.2)" != "" ]; then cd lightning/fuzz && cargo test --verbose && ./travis-fuzz.sh; fi
+    - if [ "$(rustup show | grep default | grep stable)" != "" ]; then
       wget https://github.com/SimonKagstrom/kcov/archive/master.tar.gz &&
       tar xzf master.tar.gz &&
       cd kcov-master &&