Make Rust a section

.travis.yml

@@ -1,18 +1,15 @@
-language: rust
+matrix:
+  fast_finish: true
+  allow_failures:
+    - rust: nightly
+  include:
+    - language: rust
       # We use OSX so that we can get a reasonably up to date version of SQLCipher.
       # (The version in Travis's default Ubuntu Trusty is much too old).
       os: osx
       before_install:
         - brew install sqlcipher --with-fts
-rust:
+      rust: 1.25.0  # Must align with `build/version.rs`.
-  - 1.25.0  # Must align with `build/version.rs`.
-  - stable
-  - beta
-  - nightly
-matrix:
-  allow_failures:
-    - rust: nightly
-  fast_finish: true
       script:
         - cargo test --verbose --all
         - cargo test --features edn/serde_support --verbose --all
@@ -33,3 +30,59 @@ after_success:
             ./ghp-import/ghp_import.py -n -p -f -r https://"$GH_TOKEN"@github.com/"$TRAVIS_REPO_SLUG.git" target/doc
           fi
       cache: cargo
+    - language: rust
+      # We use OSX so that we can get a reasonably up to date version of SQLCipher.
+      # (The version in Travis's default Ubuntu Trusty is much too old).
+      os: osx
+      before_install:
+        - brew install sqlcipher --with-fts
+      rust: stable
+      script:
+        - cargo test --verbose --all
+        - cargo test --features edn/serde_support --verbose --all
+        # We can't pick individual features out with `cargo test --all` (At the time of this writing, this
+        # works but does the wrong thing because of a bug in cargo, but its fix will be to disallow doing
+        # this all-together, see https://github.com/rust-lang/cargo/issues/5364 for more information). To
+        # work around this, we run individual tests for each subcrate individually.
+        - |
+          for manifest in $(find . -type f -name Cargo.toml); do
+            cargo test --manifest-path $manifest --verbose --no-default-features --features sqlcipher
+          done
+      cache: cargo
+    - language: rust
+      # We use OSX so that we can get a reasonably up to date version of SQLCipher.
+      # (The version in Travis's default Ubuntu Trusty is much too old).
+      os: osx
+      before_install:
+        - brew install sqlcipher --with-fts
+      rust: beta
+      script:
+        - cargo test --verbose --all
+        # We can't pick individual features out with `cargo test --all` (At the time of this writing, this
+        # works but does the wrong thing because of a bug in cargo, but its fix will be to disallow doing
+        # this all-together, see https://github.com/rust-lang/cargo/issues/5364 for more information). To
+        # work around this, we run individual tests for each subcrate individually.
+        - |
+          for manifest in $(find . -type f -name Cargo.toml); do
+            cargo test --manifest-path $manifest --verbose --no-default-features --features sqlcipher
+          done
+      cache: cargo
+    - language: rust
+      # We use OSX so that we can get a reasonably up to date version of SQLCipher.
+      # (The version in Travis's default Ubuntu Trusty is much too old).
+      os: osx
+      before_install:
+        - brew install sqlcipher --with-fts
+      rust: nightly
+      script:
+        - cargo test --verbose --all
+        - cargo test --features edn/serde_support --verbose --all
+        # We can't pick individual features out with `cargo test --all` (At the time of this writing, this
+        # works but does the wrong thing because of a bug in cargo, but its fix will be to disallow doing
+        # this all-together, see https://github.com/rust-lang/cargo/issues/5364 for more information). To
+        # work around this, we run individual tests for each subcrate individually.
+        - |
+          for manifest in $(find . -type f -name Cargo.toml); do
+            cargo test --manifest-path $manifest --verbose --no-default-features --features sqlcipher
+          done
+      cache: cargo